halo Rapid in situ generation of 2-(halomethyl)-5-phenylfuran and nucleophilic addition in a microflow reactor By pubs.rsc.org Published On :: Org. Biomol. Chem., 2024, Advance ArticleDOI: 10.1039/D4OB00358F, Paper Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Yuma Matsuura, Shinichiro FuseVarious 2,5-disubstituted furans were synthesized via 5-substituted 2-halomethylfurans using microflow technology.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo Catalyst- and base-free visible light-enabled radical relay trihalomethylation/functional group-migration/carbonylation with CX3SO2Cl By pubs.rsc.org Published On :: Org. Biomol. Chem., 2024, Advance ArticleDOI: 10.1039/D4OB00292J, PaperJinkai Hu, Chenglei Yang, Xiaotao Qin, Hui Liu, Tongtong Ma, Ao-tong Shi, Qing-Long Lv, Xingman Liu, Jinhui Yang, Dianjun LiA visible light-enabled photocatalyst-free radical trihalomethylation/cyano (or benzo[d]thiazol-2-yl) 1,4-migration/carbonylation reaction of 2-hydroxy-2-hex-5-enenitrile (or (benzo[d]thiazol-2-yl)-pent-4-enol) with CX3SO2Cl (X = F, Cl) is reported.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo Stereoselective Synthesis of gem-Dihalopiperidines via Halo-Aza-Prins Cyclization Reaction: Access to Piperidin-4-ones and Pyridines By pubs.rsc.org Published On :: Org. Biomol. Chem., 2024, Accepted ManuscriptDOI: 10.1039/D4OB00338A, PaperAnil Kumar Saikia, Surjya Kumar Bora, Subhamoy Biswas, Bipin Kumar BeheraAn efficient methodology for the synthesis of 4,4-dihalopiperidine derivatives has been developed from N-(3-halobut-3-en-1-yl)-4-methylbenzenesulfonamide and aldehyde catalyzed by In(OTf)3 in excellent yields. The reaction involves an initial formation of six...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo 3-Halo-5,6-dihydro-4H-1,2-oxazine N-oxides as synthetic equivalents of unsaturated nitrile oxides in the [3 + 2]-cycloaddition with arynes: synthesis of substituted 3-vinyl-1,2-benzisoxazoles By pubs.rsc.org Published On :: Org. Biomol. Chem., 2024, Advance ArticleDOI: 10.1039/D4OB00391H, CommunicationAlexander A. Lukoyanov, Svetlana A. Aksenova, Andrey A. Tabolin, Alexey Yu. Sukhorukov3-Halo-1,2-oxazine N-oxide derivatives act as surrogates of vinyl nitrile oxides in tandem [3 + 2]-cycloaddition/[3 + 2]-cyclofragmentation with arynes leading to benzisoxazoles.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo Photoproperties of Favipiravir and their 6-Substituted Analogues: Fluorescence Controlled through Halogen Substitution and Tautomerism By pubs.rsc.org Published On :: Org. Biomol. Chem., 2024, Accepted ManuscriptDOI: 10.1039/D4OB00397G, PaperAngel H Romero, Marcos Couto, Ivan E Romero, German Fuentes, Matías N. MöllerHerein, we showed the photophysical properties of the favipiravir and their 6-substituted analogues. Also, we interpreted the origin of the fluorescence of the favipiravir and their 6-substituted analogues as function...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo Halomax marks 22 Years of leadership in the lighting industry with a focus on innovation and sustainability By www.dnaindia.com Published On :: Fri, 25 Oct 2024 15:06:00 GMT Their extensive product range includes downlighters, profile lights, and step lights for residential interiors, as well as decorative and office lighting for commercial spaces. Full Article Technology
halo A comprehensive study on the halogenation effect of non-fullerene acceptors for photovoltaic application By pubs.rsc.org Published On :: Mater. Chem. Front., 2024, 8,3643-3652DOI: 10.1039/D4QM00648H, Research ArticleJing Peng, Lijiao Ma, Huixue Li, Guanlin Wang, Zhihao Chen, Feiwu Chen, Jianhui Hou, Shaoqing ZhangFour small-molecule acceptors with the same conjugated backbone but different terminal halogen substituents (F, Cl, Br, I) were developed, the effects of these halogens on film morphology and optoelectronic performance were systematically studied.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo Tailoring the adsorption properties of imidazole-based halogen bonded organic frameworks for anionic dye removal By pubs.rsc.org Published On :: Mater. Chem. Front., 2024, Advance ArticleDOI: 10.1039/D4QM00735B, Research ArticleShumeng Wang, Hongqiang Dong, Guanfei Gong, Siyi Lin, Jiahao Zhao, Zhennan Tian, Ya Lu, Xuguan Bai, Meimei Zhang, Lu Wang, Kang-Da Zhang, Shigui ChenA novel class of [N⋯I⋯N]+ halogen-bonded XOFs were synthesized using imidazole ligands. XOF-TIB showed strong adsorption capacity and selectivity for anionic dyes, with excellent stability and reusability for environmental remediation.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo Self-assembled phthalocyanine-based nano-photosensitizers in photodynamic therapy for hypoxic tumors By pubs.rsc.org Published On :: Mater. Chem. Front., 2024, Advance ArticleDOI: 10.1039/D4QM00602J, Review ArticleLin He, Ding MaThis paper reviews the potential of self-assembled phthalocyanine-based nano-photosensitizers for overcoming the limitations of photodynamic therapy (PDT) in treating hypoxic tumors.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo Highly sensitive OFET based room temperature operated gas sensors using a thieno[3,2-b]thiophene extended phthalocyanine semiconductor By pubs.rsc.org Published On :: J. Mater. Chem. C, 2024, Advance ArticleDOI: 10.1039/D4TC03208J, PaperRecep Isci, Ozgur Yavuz, Sheida Faraji, Dilara Gunturkun, Mehmet Eroglu, Leszek A. Majewski, Ismail Yilmaz, Turan OzturkA novel thienothiophene (TT) and phthalocyanine (Pc) based conjugated material was designed, synthesized, fabricated for an organic field effect transistor (OFET) and utilized as an OFET based gas sensor for hazardous gases such as NO2 and SO2.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo A wheel-like polyoxometalate for haloperoxidase inspired antibiofouling with H2O2 in-situ provided by electrocatalysis By pubs.rsc.org Published On :: Inorg. Chem. Front., 2024, Accepted ManuscriptDOI: 10.1039/D4QI00482E, Research ArticleYumeng Bian, Runze Wang, xinxin xu, Jin Chen, Qiang WangBiofouling is adhering of micro-organisms on submerged surfaces, which is a common phenomenon presents serious hazard to industry and public health. Nanozymes with haloperoxidase mimic activity are promising options to...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo Dual ligand-enabled iron and halogen-containing carboxylate-based photocatalysis for chloro/fluoro-polyhaloalkylation of alkenes By pubs.rsc.org Published On :: Chem. Sci., 2024, Advance ArticleDOI: 10.1039/D4SC04038D, Edge Article Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Wanru Han, Zhenyan Zhao, Kui Jiang, Yu Lan, Xuehan Yu, Xiaoyu Jiang, Wei Yang, Donghui Wei, Shi-Jun Li, Linbin NiuDual ligand-enabled iron photocatalysis for the conversion of all kinds of halogen-containing carboxylates (CnXmCOO−, X: F, Cl, Br) to CnXm radicals is disclosed for chloro/fluoro-polyhaloalkylation of non-activated alkenes.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo Capillary action-driven surface-enhanced Raman spectroscopy (SERS) for the identification of phthalocyanine blue in modern paintings based on the BPG spot test By pubs.rsc.org Published On :: Anal. Methods, 2024, 16,2147-2151DOI: 10.1039/D3AY01378B, Technical NoteShao-Chun Hsueh, Ling-Hsuan Wang, Yung-Chen Liao, Hui-Yu Chiang, Cheng-Huang LinA method for the extraction and accumulation of Ag nanoparticles utilizing capillary action through a piece of triangular-shaped cotton paper is reported.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo Multi-step chirality transfer and racemization kinetics of pillar [5]arenes by tuning the halogen substituents on the rims By pubs.rsc.org Published On :: Org. Chem. Front., 2024, Advance ArticleDOI: 10.1039/D4QO01799D, Research ArticleLizhi Fang, Xiaowen Guan, Yanling Shen, Dayang Zhou, Long Chen, Xiaochuan Chen, Wanhua Wu, Leyong Wang, Cheng YangHalogen-substituted pillar[5]arenes exhibited hindered hydroquinone subunit flipping, enabling enantioseparation.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo Photocatalytic arylation/alkylation of olefins/alkynes via halogen-atom transfer mediated by NHC-BH3 By pubs.rsc.org Published On :: Org. Chem. Front., 2024, Advance ArticleDOI: 10.1039/D4QO01562B, Research ArticleXinhan Li, Yao Zhong, Fengsong Tan, Yusong Fei, Xiaohan Zhao, Jianbin Xu, Baomin FanA versatile method for radical reductive cross-coupling of iodides and activated olefins under mild conditions, facilitated by NHC-BH3 through photocatalysis, was developed.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo Naphtho[1,2-c:5,6-c']bis([1,2,3]thiadiazole) enables the design of efficient halogen-free polymer donors and fabrication of organic solar cells with >19% efficiency By pubs.rsc.org Published On :: Energy Environ. Sci., 2024, 17,8593-8608DOI: 10.1039/D4EE02414A, PaperTao Jia, Yongmin Luo, Yulong Hai, Tao Lin, Xudong Qin, Ruijie Ma, Kezhou Fan, Aleksandr A. Sergeev, Top Archie Dela Peña, Yao Li, Mingjie Li, Kam Sing Wong, Gang Li, Jiaying Wu, Shengjian Liu, Fei HuangFusion and isomerization strategies are used to develop an electron-withdrawing motif naphtho[1,2-d:5,6-d']bis([1,2,3]thiadiazole) (iNT) and a halogen-free polymer donor achieving an efficiency of 19.1%.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo 1D Zn(II)/2D Cu(I) halogen pyridyl coordination polymers. Band gap engineering by DFT for predicting more efficient photocatalysts in water treatment By pubs.rsc.org Published On :: Catal. Sci. Technol., 2024, 14,6573-6583DOI: 10.1039/D4CY00969J, Paper Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Andrea García-Hernán, Fernando Aguilar-Galindo, Oscar Castillo, Pilar Amo-OchoaThe study utilizes density functional theory to enhance the design and efficiency of coordination polymers for sustainable photocatalytic applications.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo Correction: 1D Zn(II)/2D Cu(I) halogen pyridyl coordination polymers. Band gap engineering by DFT for predicting more efficient photocatalysts in water treatment By pubs.rsc.org Published On :: Catal. Sci. Technol., 2024, 14,6720-6720DOI: 10.1039/D4CY90084G, Correction Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Andrea García-Hernán, Fernando Aguilar-Galindo, Oscar Castillo, Pilar Amo-OchoaThe content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo IBzH (IBenzhydryl): Sterically-Flexible N-Aliphatic N-Heterocyclic Carbenes (NHC) for Iron-Catalyzed C(sp3)–C(sp2) Cross-Coupling of Unactivated Haloalkanes By pubs.rsc.org Published On :: Catal. Sci. Technol., 2024, Accepted ManuscriptDOI: 10.1039/D4CY01315H, CommunicationMarlena Kardela, Błażej Dziuk, Roman Szostak, Michal Szostak, Elwira BiszIron-catalyzed cross-coupling has emerged as a pivotal concept for the synthesis of valuable products across various facets of chemical research, including pharmaceuticals, organic materials and biological probes. In this respect,...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo iQOO 13 will get a rear floating halo light aimed at gamers By www.thehindu.com Published On :: Tue, 29 Oct 2024 14:16:57 +0530 iQOO 13 is slated to get a rear floating Halo light that supports various effects and is aimed at gamers Full Article Technology
halo Cambrex to acquire dosage-form drug contractor Halo By cen.acs.org Published On :: 23 Jul 2018 19:39:34 +0000 With purchase, manufacturer of active pharmaceutical ingredients will move downstream into finished drugs Full Article
halo Cambrex to acquire dosage-form drug contractor Halo By cen.acs.org Published On :: 28 Jul 2018 10:25:23 +0000 With purchase, manufacturer of active pharmaceutical ingredients will move downstream into finished drugs Full Article
halo Development of a highly efficient electrocatalytic hydrogenation and dehalogenation system using a flow cell with a Pd tube cathode By pubs.rsc.org Published On :: Green Chem., 2024, 26,11328-11333DOI: 10.1039/D4GC04617J, PaperHiroaki Tajima, Hideki Ishii, Shinsuke Inagi, Toshio FuchigamiA novel flow and circulation electrolytic system has been developed for the highly efficient cathodic hydrogenation of unsaturated compounds and dehalogenation of various aromatic halides.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo Utilize rather than create: transforming phthalonitrile resin into N-rich hierarchical porous carbon for supercapacitor materials By pubs.rsc.org Published On :: Green Chem., 2024, Advance ArticleDOI: 10.1039/D4GC04103H, PaperYi Li, Qiancheng Liu, Qian Zhang, Xiaoxiao Li, Yang Yang, Pan Wang, Kui Li, Ying Li, Fei Zhong, Qi Liu, Yun Zheng, Xulin Yang, Peng ZhaoThe “utilize rather than create” strategy employs the reaction product (RPH) as the precursor and the by-product (KCl) as the template for the synthesis of N-rich hierarchical porous carbon for high performance supercapacitor materials.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
halo Nigeria: Manchester United - Odion Ighalo se montre prudent en ce qui concerne son avenir By article.wn.com Published On :: Sun, 10 May 2020 00:50 GMT Pr�t� � Manchester United par le Shanghai... Full Article
halo Hoops to Halo: Centuries of Games Kids Play By www.nyhistory.org Published On :: Fri, 13 Apr 2012 17:22:56 +0000 Workshop size is limited, please make a reservation at dchm@nyhistory.org.Sun, 06/17/2012 - 14:30 to 16:30Sun, June 17th, 2012 | 3:30 pm to 5:30 pmCelebrate Father’s Day with a special family workshop all about games – parents and kids learn about historical games and build their own video game prototypes. A New-York Historical Society educator will lead families with children between ages 7-12 through galleries and behind-the-scenes to view different toys and games in the collection.Family Programs: CampsRelating Tags: gamesDimenna Children's History Museumorphan trainfamiliesparentsSold out: 0 Full Article
halo 4-Amino-5-{[cyclohexyl(methyl)amino]methyl}isophthalonitrile By scripts.iucr.org Published On :: 2019-10-22 The title compound, C16H20N4, was synthesized by cyanation of bromhexine. The compound crystallizes with two unique molecules in the asymmetric unit. The substituted aniline and cyclohexane rings are inclined to one another by 37.26 (6)° in one molecule and by 22.84 (7)° in the other. In the crystal packing, intra- and intermolecular N—H⋯N hydrogen bonds and an intermolecular C—H⋯N contact were observed. Full Article text
halo Crystal structure and Hirshfeld surface analysis of 4-[4-(1H-benzo[d]imidazol-2-yl)phenoxy]phthalonitrile dimethyl sulfoxide monosolvate By scripts.iucr.org Published On :: 2019-05-10 This work presents the synthesis and structural characterization of [4-(1H-benzo[d]imidazol-2-yl)phenoxy]phthalonitrile, a phthalonitrile derivative carrying a benzimidazole moiety. The compound crystallizes as its dimethyl sulfoxide monosolvate, C21H12N4O·(CH3)2SO. The dihedral angle between the two fused rings in the heterocyclic ring system is 2.11 (1)°, while the phenyl ring attached to the imidazole moiety is inclined by 20.7 (1)° to the latter. In the crystal structure, adjacent molecules are connected by pairs of weak intermolecular C—H⋯N hydrogen bonds into inversion dimers. N—H⋯O and C—H⋯O hydrogen bonds with R21(7) graph-set motifs are also formed between the organic molecule and the disordered dimethyl sulfoxide solvent [occupancy ratio of 0.623 (5):0.377 (5) for the two sites of the sulfur atom]. Hirshfeld surface analysis and fingerprint plots were used to investigate the intermolecular interactions in the crystalline state. Full Article text
halo Halocoryza acapulcana Whitehead By insider.si.edu Published On :: Wed, 19 Oct 2011 18:27:23 +0000 Halocoryza acapulcana Whitehead (Acapulco Saline Catarrh Beetle), described in 1966 by Donald R. Whitehead. This image is from a recent paper by Terry L. Erwin, […] The post Halocoryza acapulcana Whitehead appeared first on Smithsonian Insider. Full Article Marine Science Science & Nature Spotlight biodiversity insects National Museum of Natural History
halo Chandra X-ray Observatory shows Milky Way is surrounded by halo of hot gas By insider.si.edu Published On :: Mon, 24 Sep 2012 18:39:16 +0000 stronomers have used NASA's Chandra X-ray Observatory to find evidence our Milky Way Galaxy is embedded in an enormous halo of hot gas that extends for hundreds of thousands of light years. The post Chandra X-ray Observatory shows Milky Way is surrounded by halo of hot gas appeared first on Smithsonian Insider. Full Article Science & Nature Space astronomy astrophysics Center for Astrophysics | Harvard & Smithsonian Chandra X-Ray Observatory galaxies Milky Way Smithsonian Astrophysical Observatory
halo The many flavours of halogen bonds – message from experimental electron density and Raman spectroscopy By scripts.iucr.org Published On :: 2019-08-22 Experimental electron-density studies based on high-resolution diffraction experiments allow halogen bonds between heavy halogens to be classified. The topological properties of the electron density in Cl⋯Cl contacts vary smoothly as a function of the interaction distance. The situation is less straightforward for halogen bonds between iodine and small electronegative nucleophiles, such as nitrogen or oxygen, where the electron density in the bond critical point does not simply increase for shorter distances. The number of successful charge–density studies involving iodine is small, but at least individual examples for three cases have been observed. (a) Very short halogen bonds between electron-rich nucleophiles and heavy halogen atoms resemble three-centre–four-electron bonds, with a rather symmetric heavy halogen and without an appreciable σ hole. (b) For a narrow intermediate range of halogen bonds, the asymmetric electronic situation for the heavy halogen with a pronounced σ hole leads to rather low electron density in the (3,−1) critical point of the halogen bond; the properties of this bond critical point cannot fully describe the nature of the associated interaction. (c) For longer and presumably weaker contacts, the electron density in the halogen bond critical point is only to a minor extent reduced by the presence of the σ hole and hence may be higher than in the aforementioned case. In addition to the electron density and its derived properties, the halogen–carbon bond distance opposite to the σ hole and the Raman frequency for the associated vibration emerge as alternative criteria to gauge the halogen-bond strength. We find exceptionally long C—I distances for tetrafluorodiiodobenzene molecules in cocrystals with short halogen bonds and a significant red shift for their Raman vibrations. Full Article text
halo A smorgasbord of halogen bonds? By scripts.iucr.org Published On :: 2019-08-28 Full Article text
halo Chronic Fatigue Syndrome/Myalgic Encephalomyelitis Is a Legitimate Disease That Needs Proper Diagnosis and Treatment, Says IOM Report Identifies Five Symptoms to Diagnose Disease By feedproxy.google.com Published On :: Tue, 10 Feb 2015 05:00:00 GMT Myalgic Encephalomyelitis/Chronic Fatigue Syndrome -- commonly referred to as ME/CFS -- is a legitimate, serious, and complex systemic disease that frequently and dramatically limits the activities of affected individuals, says a new report from the Institute of Medicine. Full Article
halo Organohalogen Flame Retardants Used in Consumer Products Cannot Be Assessed for Hazards as a Single Class, But Can Be Assessed in Subclasses, Says New Report By feedproxy.google.com Published On :: Wed, 15 May 2019 04:00:00 GMT A new report from the National Academies of Sciences, Engineering, and Medicine offers guidance to the Consumer Product Safety Commission (CPSC) on how to conduct a hazard assessment of nonpolymeric, additive organohalogen flame retardants (OFRs), which are used in some consumer products. Full Article
halo Sonata Software adds new functionality to its enterprise mobility product Halosys By cio.economictimes.indiatimes.com Published On :: 2018-03-15T16:02:45+05:30 Sonata Software announced that its Unified Enterprise Mobility Platform, Halosys, has been enhanced with additional features that boost optimization and usability Full Article
halo Listen to this pug and you'll understand why the makers of 'Halo' hired him for voice-overs By www.mnn.com Published On :: Tue, 14 Jan 2020 14:11:31 +0000 Gyoza the pug was hired by 343 Industries to make alien sounds for the company's new Halo video game, "Halo Infinite." Full Article Pets
halo Indica Labs Completes Nationwide Deployment of HALO AP™ at NeoGenomics Laboratories, Inc. By www.24-7pressrelease.com Published On :: Fri, 03 Apr 2020 07:00:00 GMT Indica Labs, leading provider of computational pathology software, announces the release of its HALO AP Anatomic Pathology platform and nationwide deployment at NeoGenomics, one of the largest oncology testing laboratories in the United States. Full Article
halo Guardian Roofing To Set To Announce 2020 Winner of Guardian Halo Project By www.24-7pressrelease.com Published On :: Thu, 13 Feb 2020 07:00:00 GMT One Local Resident Will Receive Free Roofing Services As Part of Community Give-Back Program Full Article
halo Halo Outpost Discovery Event Reactions By www.ign.com Published On :: Tue, 09 Jul 2019 22:15:07 +0000 On this week's Xbox show, we give our hands-on impressions from the first weekend of the Halo Outpost Discovery fan experience, discuss a new Batman release from Rocksteady (not a new game, sadly), talk through the small glimpses we've been getting at Playdead's new post-Inside game, and more! Full Article
halo The First Halo Infinite Easter Egg Has Been Found By www.ign.com Published On :: Tue, 30 Jul 2019 20:19:33 +0000 A keen-eyed Halo fan discovered an interesting audio Easter egg hiding in the Halo Infinite E3 trailer. We play it for you and speculate about what it means. Plus: the Xbox Dashboard is getting another refresh, the Blair Witch game finally shows itself, classic Doom games get re-released on Xbox - but things don't go super smoothly for Bethesda, and more! Full Article
halo Chronic Traumatic Encephalopathy (CTE) in Amateur Athletes By feedproxy.google.com Published On :: Thu, 03 Dec 2015 00:00:00 EST A new study suggests that vulnerability to CTE is not limited to professional athletes. Full Article video
halo Method for producing ring-halogenated N,N-dialkylbenzylamines By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT The invention relates to a method for preparing ring-halogenated N,N-dialkylbenzylamines and intermediates obtainable therefrom for preparing agrochemicals and pharmaceutically active ingredients. Full Article
halo Production of alkali metal cyclopentadienylide and production of dihalobis (η-substituted-cyclopentadienyl) zirconium from alkali metal cyclopentadienylide By www.freepatentsonline.com Published On :: Tue, 04 Apr 2000 08:00:00 EDT A process for producing an alkali metal cyclopentadienylide is disclosed which comprises reacting in a solvent an alkali metal hydride with a disubstituted or trisubstituted 1,3-cyclopentadiene. Further, a process for producing a dihalobis(η-substituted-cyclopentadienyl)zirconium is disclosed which comprises reacting a zirconium halide with the above alkali metal cyclopentadienylide. The former process enables performing the reaction between the disubstituted or trisubstituted 1,3-cyclopentadiene and the alkali metal hydride at an easily controllable temperature of room temperature to about 150° C. and also enables obtaining the alkali metal cyclopentadienylide in high yield. The latter process enables obtaining the dihalobis(η-substituted-cyclopentadienyl)zirconium in high yield. Full Article
halo Treatment system for removing halogenated compounds from contaminated sources By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT A treatment system and a method for removal of at least one halogenated compound, such as PCBs, found in contaminated systems are provided. The treatment system includes a polymer blanket for receiving at least one non-polar solvent. The halogenated compound permeates into or through a wall of the polymer blanket where it is solubilized with at least one non-polar solvent received by said polymer blanket forming a halogenated solvent mixture. This treatment system and method provides for the in situ removal of halogenated compounds from the contaminated system. In one embodiment, the halogenated solvent mixture is subjected to subsequent processes which destroy and/or degrade the halogenated compound. Full Article
halo Methods to separate halogentated olefins from 2-chloro-1,1,1,2-tetrafluoropropane using a solid adsorbent By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT The present invention provides a method for separating halocarbons. In particular, the invention provides a method for separating halogenated olefin impurities from 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) using a solid adsorbent, particularly activated carbon. More particularly the invention pertains to a method for separating 2-chloro-3,3,3-trifluoro-propene (HCFO-1233xf) from HCFC-244bb, which are useful as intermediates in the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf). Full Article
halo Preparation of fluorinated olefins via catalytic dehydrohalogenation of halogenated hydrocarbons By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A process for making a fluorinated olefin having the step of dehydrochlorinating a hydrochlorofluorocarbon having at least one hydrogen atom and at least one chlorine atom on adjacent carbon atoms, preferably carried out in the presence of a catalyst selected from the group consisting of (i) one or more metal halides, (ii) one or more halogenated metal oxides, (iii) one or more zero-valent metals/metal alloys, (iv) a combination of two or more of the foregoing. Full Article
halo Synthesis of and curing additives for phthalonitriles By www.freepatentsonline.com Published On :: Tue, 17 Mar 2015 08:00:00 EDT A composition having a mixture of the below compounds having a mole ratio of at least 1:20. Ar1 and Ar2 are independently selected aromatic groups. A composition comprising phthalonitrile compounds that comprise at least 5 mol % of the first compound below. A method of: providing a solution of a dichloroaromatic compound having an electron-withdrawing group bound to each aromatic ring containing one of the chloride groups; a dihydroxyaromatic compound or anion thereof; an organic transition metal complex or a transition metal salt; an alkaline hydroxide base; and a solvent; and heating the solution to a temperature at which the dichloroaromatic compound and the dihydroxyaromatic compound react to form a dimetallic salt of an aromatic ether oligomer. The molar ratio of the dihydroxyaromatic compound to the dichloroaromatic compound is greater than 2:1. Water formed during the heating is concurrently distilled from the solution. Full Article
halo Halo active aromatic sulfonamide organic compounds and uses therefor By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT Aromatic N-halosulfonamide organic compounds have been known for over one hundred years. The ability of these compounds to release active halogen ions has been utilized in a range of biocidal and fungicidal applications. This disclosure deals with the use of halo active aromatic sulfonamide organic compounds as odor control and/or biocidal agents in a cleaning solution for use with bovines and other dairy animals. Full Article
halo Method of preparing an organohalosilane By www.freepatentsonline.com Published On :: Tue, 07 Jul 2015 08:00:00 EDT A method of preparing organohalosilanes comprising combining an organohalide having the formula RX (I), wherein R is a hydrocarbyl group having 1 to 10 carbon atoms and X is fluoro, chloro, bromo, or iodo, with a contact mass comprising at least 2% (w/w) of a palladium suicide of the formula PdxSiy (II), wherein x is an integer from 1 to 5 and y is 1 to 8, or a platinum suicide of formula PtzSi (III), wherein z is 1 or 2, in a reactor at a temperature from 250 to 700° C. to form an organohalosilane. Full Article
halo Method for producing 30-halogenated betulinic acid By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT The invention discloses a method for producing 30-halogenated betulinic acid. Betulin is used as a raw material and selectively oxidized and halogenated to generate 30-betulinic acid, and the selected oxidation and halogenation agent has high selectivity and does not affect C-3 hydroxyl or carbon-carbon double bonds. Oxidation and halogenation are completed in one step, so the process route is short, the treatment method is simple, and the product is purified easily. Full Article