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Phosphine-controlled divergent reactions of MBH-carbonates with azaheptafulvenes: access to o-anilinyl diene and benzazepine derivatives

Org. Chem. Front., 2024, 11,6418-6425
DOI: 10.1039/D4QO01298D, Research Article
Wei Hao, Yiwen Zhang, Xiao Han, Zhen Wang, Weijun Yao
A phosphine controlled divergent cascade reaction of MBH-carbonates with azaheptafulvenes was disclosed. PPh3 provided o-aminophenyl diene while PCy3 offered benzazepine derivative through formal [8 + 3] annulation/ring contraction cascade.
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Chiral synthetic unprecedented spiro[indoline-2,3'-thiophen]-3-ones via an organocatalytic asymmetric sulfa-Michael/aldol cascade reaction

Org. Chem. Front., 2024, 11,6426-6436
DOI: 10.1039/D4QO01551G, Research Article
Mao Zhang, Xing-Hai Fei, Gui-Ping Yang, Cheng Lin, Wen-Jie Li, Ming-Liang Rao, Meng Zhou, Chong Zhao, Bin He, Yong-Long Zhao
A cinchona-derived squaramide-catalyzed asymmetric sulfa-Michael/aldol cascade reaction of 2-ylideneoxindoles with 1,4-dithiane-2,5-diol was developed to realize the chiral synthesis of spiro[indoline-2,3'-thiophen]-3-ones.
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Visible light-induced aerobic photooxidative cleavage of C(sp3)–C(sp2) σ-bonds of allylarenes

Org. Chem. Front., 2024, 11,6385-6392
DOI: 10.1039/D4QO01243G, Research Article
Jinyu Tang, Xi Zhao, Jinxuan Ni, Yanping Huo, Yang Gao, Xianwei Li, Yan Liu, Keiji Maruoka, Qian Chen
A cleavage of C(sp3)–C(sp2) σ-bonds of allylarenes to aromatic aldehydes and ketones has been achieved via a visible light-induced photocatalysis.
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Well-defined chiral dinuclear copper-catalyzed tandem asymmetric propargylic amination–carboxylative cyclization sequence toward chiral 2-oxazolidinone derivatives

Org. Chem. Front., 2024, 11,6319-6326
DOI: 10.1039/D4QO01368A, Research Article
Yu Lan, Peng Liu, Zekai Fang, Lili Shao, Qilong Cai, Xiaoming Wang
A variety of chiral 2-oxazolidinones was obtained via a dinuclear copper-catalyzed asymmetric propargylic amination–carboxylative cyclization sequence of propargylic esters with alkyl amine hydrochlorides and CO2.
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Nickel-catalysed enantioselective cross-electrophile coupling reaction with the retention of the β-fluorine atom

Org. Chem. Front., 2024, 11,6459-6469
DOI: 10.1039/D4QO01555J, Research Article
Xin-Yi Shi, Xueyuan Yan, Xiaodong Tang, Shi-Jing Zhai, Genping Huang, Jun-An Ma, Fa-Guang Zhang
A nickel-catalysed enantioselective reductive cross-coupling reaction of a new monofluoromethyl building block with acid chlorides is developed to give chiral α-monofluoromethyl acyloin derivatives.
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Carbonate-assisted selectively deoxygenative cross-coupling reaction between aryl and aliphatic aldehydes: a straightforward route to access α-alkylated aryl ketones

Org. Chem. Front., 2024, 11,6510-6517
DOI: 10.1039/D4QO01517G, Research Article
Yu Sun, Yi Wang, Zhijun Zuo
A novel reductive cross-coupling reaction of two different aldehydes for rapidly assembling α-alkylated aryl ketones has been developed. The inexpensive carbonate served not only as a base but also as an efficient electron donor.
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Cobalt-catalyzed enantioselective reductive addition of ketimine with cyclopropyl chloride to construct chiral amino esters bearing cyclopropyl fragments

Org. Chem. Front., 2024, 11,6311-6318
DOI: 10.1039/D4QO01474J, Research Article
Jiangtao Hu, Tingting Xia, Xianqing Wu, Hongrui Feng, Jingping Qu, Yifeng Chen
Co-catalyzed asymmetric reductive addition of ketimine with cyclopropyl chloride has been realized to access diverse chiral amino esters bearing cyclopropyl fragments with broad functional group tolerance and excellent enantioselectivities.
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Transition-metal-catalyzed C–Ge coupling reactions

Org. Chem. Front., 2024, 11,6558-6572
DOI: 10.1039/D4QO01637H, Review Article
Jie Ke, Cadmus Du Chen, Li-Qing Ren, Bing Zu, Bin Li, Chuan He
This review covers the development and recent progress in transition-metal-catalyzed C–Ge coupling reactions. The goal is to provide a clear overview of the field, identify current challenges, and inspire further applications in this growing area.
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Recent advances in asymmetric synthesis of chiral benzoheterocycles via Earth-abundant metal catalysis

Org. Chem. Front., 2024, 11,6534-6557
DOI: 10.1039/D4QO01686F, Review Article
Jinhui Cai, Wenting Zhang, Usman Muhammad, Weishuang Li, Yanjun Xie
This review mainly focus on the assembly of chiral benzoheterocycles, such as dihydrobenzofurans, chromans, indolines, tetrahydroquinolines, etc., via Earth-abundant metal-catalyzed (Cu, Fe, Ni, and Ti) asymmetric synthesis in the last few decades.
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A two-step Kinugasa/Conia-ene-type sequential reaction for the asymmetric synthesis of 8-methylene-2,6-diazaspiro[3.4]octane-1,5-diones

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01388C, Research Article
Shanyue Li, Qicai Ma, Bohua Wu, Haowen Ma, Wei Zhou, Qian Cai
A two-step Kinugasa/Conia-ene-type sequential reaction is developed. The process provided a simple and efficient access to chiral 8-methylene-2,6-diazaspiro[3.4]octane-1,5-diones.
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DABSO-Mediated Pummerer Reaction Enables One-Pot Synthesis of Pyrroloquinolines for Accessing Marinoquinolines: Mechanistic, Photophysical and Pharmacological Investigations

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01512F, Research Article
Rahimuddin Khan, Dipun Kumar Penthi, Aditi Chatterjee, Chandrakanta Sahoo, Shanti Gopal Patra, Viswanathan Arun Nagaraj, Tabrez Khan
A new one-pot acid- and exogenous oxidant-free synthesis of pyrrolo[2,3-c]quinolines has been developed. The strategy involves chemoselective reduction of the 3-(2-nitrophenyl)-1H-pyrroles (pyrrolnitrin derivatives) and subsequent DABSO-facilitated Pummerer reaction in the...
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Mechanism and origins of regioselectivity of selenium-catalyzed allylic amination reactions

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01794C, Research Article
Xiaoxiao Hu, Dengmengfei Xiao, Yu Chen, Yi Lu, Zhihan Zhang, Peiyuan Yu
The mechanism of selenium-catalyzed allylic amination reactions with different ligands has been explored using density functional theory calculations.
To cite this article before page numbers are assigned, use the DOI form of citation above.
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Telangana Cyber Security Bureau conducts digital awareness campaign for senior citizens




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Cong. govt cheating paddy farmers on procurement: Kishan Reddy




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GHMC official sentenced to one-year RI in ACB case




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₹4.8 crore loan fraud scheme unearthed at SBI Sanathnagar, eight more arrested




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HYDRAA created fear among encroachers and big builders and not common people: Telangana CM




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When hope meets hurdles: stark reality of Telangana’s job market

The State’s job crisis has come back to haunt the Congress party, which rode to power last year on promises of employment. While local youth wait, worry, and exchange dreams about securing government jobs, short-term opportunities are drawing people from other States. This dynamic has transformed Telangana into a job magnet for outsiders but a desert for its own aspirants, reports Serish Nanisetti




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‘Rahasyam Idham Jagath’ movie review: Earnest but far from engrossing

Director Komal R Bharadwaj’s Telugu indie ‘Rahasyam Idham Jagath’ is ambitious in using science, technology and stories from the Indian epics for an adventure drama, but falls short in its execution




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Congress shedding ‘çrocodile tears’ over BCs welfare: BJP leader Laxman




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Raid on hospitals in Hyderabad and Secunderabad leads to seizure of controlled drugs

The raiding teams found substances which are are classified as controlled drugs and their sale and possession are strictly regulated under the Narcotic Drugs and Psychotropic Substances (NDPS) Act




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Ugandan woman sentenced to 13 years RI for smuggling drugs to Hyderabad

The woman was caught attempting to smuggle 3,900 grams of heroin, worth ₹25 crore, to Hyderabad




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32 STPs taken up by BRS govt. to cleanse Musi: MLAs

₹3.8k crore STP project was to protect Nalgonda ryots’ farm fields from sewage water




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Ponnam criticises BJP leader Laxman’s comments on caste census




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Telangana govt. urged to release caste survey forms in English and Urdu




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Mental health and resilience in higher education institutions as a mission 

A two-day conclave started at IIT Hyderabad with an aim to foster healthy and harmonious environment in higher education institutions with the goal of reducing suicide rates and enhancing student and faculty wellbeing




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Trust deficit exists between citizens and healthcare system: former IAS officer




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Telangana State Cyber Security Bureau nabbed 165 cyber criminals involved in 795 cases in last six months

45% fraudsters are either graduates or post-graduates; indulge in crime due to peer pressure and for easy money, says data




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Nodal officers appointed for the caste survey in Greater Hyderabad




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Cyberabad police impose restrictions near exam centres on November 17 and 18




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Ind vs NZ 3rd Test: India hand New Zealand control after batting flop show on Day 1

India’s batting collapse makes a comeback as they face the horror of a clean sweep at home against New Zealand.




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India cancel intra-squad match to prioritise net practice ahead of Border-Gavaskar Trophy

India cancels intra-squad match with ‘A’ side in Australia tour for more net practice, focusing on Test series preparation




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IND vs NZ third Test: Ravindra Jadeja rues worst fears having come true

In India’s last series loss at home prior to this, Jadeja – a rookie – had featured in a solitary Test.




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India vs New Zealand, 3rd Test, Day 2: Spinners dominate, time for batters to salvage pride; Test poised for exciting finish

New Zealand ended day two with an overall lead of 143, which might look small but even a target in the vicinity of 150 will pose serious challenge for the Indian batters




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Virat Kohli drops hints of completing 20 years with RCB

Virat Kohli has been playing for RCB ever since IPL's inception in 2008 and is the leading run-scorer in the competition, amassing over 8,000 runs




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IND vs NZ third Test Day 2: Chase won't be easy, we have to bat really well, says Ravichandran Ashwin

What surprised Ashwin is the nature of low bounce, not exactly synonymous with red soil Mumbai surfaces which helps the ball to fly.




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IND vs NZ third Test: India takes a narrow lead, with the Test poised on a knife’s edge

Pant leads the way with an entertaining knock, while Gill is unlucky to miss his hundred; Azaz once again excels with a five-for to keep the Kiwis in the hunt on a turning track turning hostile for the batters with every passing hour




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Ind vs NZ 3rd Test: New Zealand scripts history as India suffers Test series whitewash

No team had been able to win all the Test matches in India in a series featuring three or more Test matches in nine decades.




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BCCI to discuss New Zealand whitewash, some senior players could be phased out post-Australia series

There is a high possibility that the five-match Test series against Australia could be the final one for at least two of the four seniors among Rohit Sharma, Virat Kohli, Ravindra Jadeja and Ravichandran Ashwin.




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Wriddhiman Saha announces retirement from cricket after this year's Ranji Trophy

Veteran cricketer Wriddhiman Saha announces retirement, last season in Ranji Trophy, ending a cherished journey in cricket




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India vs New Zealand: Will Young shines in New Zealand’s historic Test series win in India

His biggest contributions came in the third Test at Mumbai when Young’s 71 and 51 across the two innings helped New Zealand become the first team ever to beat India 3-0 in their own backyard




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Wriddhiman Saha to retire after this season Ranji Trophy




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India’s coaching staff under the scanner ahead of the Border-Gavaskar series

Gambhir & Co. gets captain Rohit’s backing after the home Test series loss against New Zealand; the head coach says the team has to be honest and keep working hard




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Australian pacer Boland looks to keep KL Rahul under pressure ahead of Border-Gavaskar Trophy

Rahul made a hundred on his debut tour to Australia in 2015, a 110 at Sydney, but his overall performance Down Under remains scratchy, evidenced by an average of 20.77 across four Tests.




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Ben Stokes missing from IPL’s list of 1,574 players ahead of mega auction

IPL mega auction list includes marquee Indian players like Pant, Iyer, and Rahul, with a total purse of ₹120 crore




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RANJI TROPHY | It is a Lad and Shreyas show as Mumbai tears into Odisha’s bowling

CRICKET | Teenager Raghuvanshi sets the ball rolling at the top of the order after visiting captain Poddar’s ill-judged move to insert the home team in




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Ranji Trophy | Bhambri leads the way as Chandigarh nudges ahead of Delhi

Almost all batters make handy contributions as the host takes a 48-run first-innings lead; spinners Badoni and Mathur shine with the ball for the visitor




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Denish leads Assam’s fightback against Tamil Nadu

The skipper compiles a patient unbeaten 54 and forges an unbroken 71-run stand with southpaw Sibsankar Roy, denying the opposition bowlers a breakthrough till close of play




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NewGen stars have a chance to shine as Proteas challenge awaits 

It is imperative for them to shed the tag of sidekicks and establish themselves as the first-choice players in this format.




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Ranji Trophy | Pacers put Bengal in driver’s seat against Karnataka

Porel’s four-for and Sindhu’s three-wicket haul help the visitor bundle out the host for 221 before reaching 127 for three in its second essay at the end of day three