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Dipyrazolodioxadiazocines as shelf-stable “ready-to-use” precursors for an in situ generation of enolate-iminium 1,4-dipoles: a straightforward atom-economical approach to pyrazolo[5,1-d][1,3,5]dioxazines

Org. Biomol. Chem., 2020, 18,3382-3391
DOI: 10.1039/D0OB00451K, Paper
Vladimir E. Zhulanov, Valeria A. Vigovskaya, Maksim V. Dmitriev, Pavel S. Silaichev, Andrey N. Maslivets, Michael Rubin
Generation of cyclic enolate-iminium 1,4-dipoles via thermolysis of dipyrazolodioxadiazocines in the presence of ketones allowed for efficient preparation of pyrazolo[5,1-d][1,3,5]dioxazines.
The content of this RSS Feed (c) The Royal Society of Chemistry




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TN woman seeks Rs 1 cr compensation from AIDS society

A housewife has moved the Madras High Court seeking Rs 1 crore as compensation and a public apology from the Tamil Nadu AIDS Control Society.




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CISF needs 4,500 addl personnel to man new 'Metro' routes

With the Delhi Metro expanding its wings beyond Delhi, the CISF will require additional 4,500 personnel to guard the new operations of the mass rapid transport system.




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People look at fairy tales in a limited way: Hudson Asia MD Tulika Tripathi

Tulika Tripathi is the managing director of a global talents solutions company, Hudson Asia.




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'In Nepal, some street children are controlled by gangs'

An unwanted child, a street urchin, a knife-wielding gang member and a child labourer — Basu Rai endured the vicissitudes of fate. But after his rescue and rehab, he dedicated his life to saving other street children.




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Climbing Everest, I've proved a tribal girl can do something: Malavath Poorna

At just 13 years, Malavath Poorna from Telangana has become the youngest female climber in the world to scale Mount Everest. Speaking with Rohit E David, Poorna discussed how she has emerged from a family of agricultural labourers to become a mountaineer, the difficulties she faced while navigating Mount Everest, the one thought that kept her going — and how she wants to climb many more mountains now.




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Pak politicians want to resolve Kashmir — military won't allow this: Arif Jamal

Arif Jamal is a Pakistani journalist and South Asia expert based in America.




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​'Advertising's art of persuasion — political ads will grow': Prasoon Joshi

Author and advertising authority headed the Titanium Lions jury at 2014's Cannes International Advertising Festival.




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Women suffer sanitation absence most — also impacts economy: Bindeshwar Pathak

One month after the horrific Badaun gang rape exposed how gravely at risk women and minors lacking domestic toilets are.




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Hindu guru gets 14 years prison for sexual molestation in US

Absconding Indian godman Prakashanand Saraswati, also known as Shree Swamiji, has been sentenced to 14 years in prison and fined USD 10,000.




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Indians safe in Japan, some 30-40 Indians leave for India

The Indians, who were safely brought to a hotel in Tokyo from various rehabilitation centres in Sendai, have left for India.




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US housing society to pay $110,000 for keeping Indians out

A Seattle-based housing society will pay over $110,000 to settle a lawsuit that alleged the society discriminated against Indians and African-Americans seeking to rent apartments in the complex.




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UP: Mathura boy, 3, abducted for ransom

The 3-year-old son of a Lekhpal of Mathura administration was allegedly abducted by unidentified persons from outside his house in Parshuram Colony on Friday and a hand scribbled note demanding Rs 20 lakhs for his release was left behind by the abductors near the house.




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Govt invites startups, innovators to develop a world-class video conferencing solution

The winners will receive Rs 1 crore in the first year and additional support @ Rs 10 lakhs per year towards Operations & Maintenance.




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WhatsApp may soon allow you to use it on multiple devices simultaneously

The feature been under testing for some time.






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'Laughter is so important these days'

'Comedy comes naturally to me.'





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'All of us need counselling at some point'

'People will be entertained by the Singhams and the Simmbas but they will still not respect cops. Batla House is an opportunity for us to show the true side of policemen and their sacrifices.'





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'I am so nervous, I want to lock myself in a room!'

'I did not have a quintessential debut even though my father is a well known actor in the industry. That's why I never felt like an industry kid.'




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'I always wanted to sound sexy in my films'

'I don't watch my films more than once, otherwise I will fall in love with myself.'







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'I am a social media addict'

'I am commercial by heart.'





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Shraddha does something she has NEVER DONE BEFORE

'I have to pinch myself to believe that 10 years have just gone by.'




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How Lauren Gottlieb's Holi song beat Trump!

Kamariya Hila Rahi Hai notched up 12 million views in two days!




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Lata Mangeshkar: 5 songs you must hear at this time

'Listen to my songs if they make you happy at home.'




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Folklife News & Events: 2019 NEA National Heritage Fellows: Las Tesoros de San Antonio

Please Join us for our next Homegrown Concert:

2019 NEA National Heritage Fellows: Las Tesoros de San Antonio: Tejano Singers from San Antonio, TX

Beatriz "La Paloma del Norte" Llamas
Blanquita "Blanca Rosa" Rodríguez

Wednesday, September 18, 2019
Coolidge Auditorium, Ground Floor
Thomas Jefferson Building
The Library of Congress

A conversation with two NEA fellows, accompanied by music from Mariachi Esperanza: Henry Gomez (Director), virhuela, Moises Perez, trumpet, Jose Luis Vaca, violin, and Rafael Aguirre, guitarron

Las Tesoros de San Antonio are a group of elder women performers who teamed up to preserve Mexican and bicultural musical expressions through their singing and storytelling. Janet “Perla Tapatia” Cortez, Beatriz “La Paloma del Norte” Llamas, Blanquita “Blanca Rosa” Rodríguez, and Rita “La Calandria” Vidaurri each had impressive singing careers that soared both locally and internationally from the 1940s to the1960s before tapering off in later years. Through the Esperanza Peace & Justice Center in San Antonio, these women reemerged and teamed up as the group Las Tesoros in the 2000s. Although Janet “Perla Tapatia” Cortez and Rita “La Calandria” Vidaurri passed away in recent years, Llamas and Rodríguez continue to perform and maintain the legacy of the group.

All four women grew up in the West Side of San Antonio, Texas. Each singer, with her personal style and grace, forms part of this unique ensemble that represents the important sound of the Mexico/Texas border. They were all inspired by and connected to many other important Tejana singers, including the great Lydia Mendoza (1982 NEA National Heritage Fellow) and the internationally renowned Eva Garza.

Request ADA accommodations five days in advance at 202-707-6362 or ADA@loc.gov

More information is at this link!




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Folklife News & Events: Tuareg Music and Song from Niger September 19 Noon

Homegrown Concerts from the American Folklife Center of the Library of Congress

Les Filles de Illighadad
Tuareg Music and Song from Niger 


THURSDAY, SEPTEMBER 19, 2019, 12:00 PM, No Tickets Required
Coolidge Auditorium, Thomas Jefferson Building


Fatou Seidi Ghali, lead vocalist and guitarist of Les Filles de Illighadad, is one of the only Tuareg female guitarists in Niger. Sneaking away with her older brother's guitar, she taught herself to play. While Fatou's role as the first female Tuareg guitarist is groundbreaking, it is just as interesting for her musical direction. In Tuareg society, woman have traditionally been musicians, but not guitarists. They have been deeply involved with tende, a form of music centered on a drum traditionally made out of a mortar and pestles. Tende rhythms also deeply informed the development of Tuareg guitar music, which is mostly the province of men. In a place where gender norms have created these two divergent musics, Fatou and Les Filles de Illighadad are reasserting the role of tende in Tuareg guitar. In lieu of the djembe or the drum kit, so popular in contemporary Tuareg rock bands, Les Filles de Illighadad incorporate the traditional drum and the pounding calabash, half buried in water. They are thus reclaiming the importance of this forgotten inspiration of Tuareg guitar and asserting the power of women to innovate using the roots of traditional Tuareg music.

Fatou Seidi Ghali, Alamnou Akirwini, Fitimata Ahmadelher, and Abdoulay Madassane Alkika are from Illighadad, a secluded commune in central Niger, far off in the scrubland deserts at the edge of the Sahara. The village is only accessible via a grueling drive through the open desert and there is little infrastructure, no electricity, and no running water. But what the nomadic zone lacks in material wealth it makes up for deep and strong identity and tradition. The surrounding countryside supports hundreds of pastoral families, living with and among their herds, as their families have done for centuries.

Visit the concert page at this link for more information.

Request ADA accommodations five business days in advance at (202) 707-6362 or ADA@loc.gov




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[ASAP] Highly Air-Stable Tin-Based Perovskite Solar Cells through Grain-Surface Protection by Gallic Acid

ACS Energy Letters
DOI: 10.1021/acsenergylett.0c00526




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[ASAP] Toward Efficient Triple-Junction Polymer Solar Cells through Rational Selection of Middle Cells

ACS Energy Letters
DOI: 10.1021/acsenergylett.0c00857




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Blog: Why we are so charmed by Tharoor’s English




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Self-consolidating concrete: applying what we know / Joseph A. Daczko

Barker Library - TA442.5.D33 2012




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The economics, performance, and sustainability of internally cured concrete: held at the ACI Fall 2011 [i.e. 2012] Convention, Toronto, Ontario, Canada 21-25 October 2011 [i.e. 2012] / editors, Anton K. Schindler, Jiri G. Grygar, W. Jason Weiss

Barker Library - TA440.E358 2012




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Resistance of concrete to chloride ingress: testing and modelling / Tang Luping, Lars-Olof Nilsson, and P.A. Muhammed Basheer

Barker Library - TA445.T36 2011




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Bio-aggregate-based building materials: applications to hemp concretes / edited by Sofiane Amziane, Laurent Arnaud

Barker Library - TA441.B56 2013




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Reinforced concrete design / Abi O. Aghayere, P. Eng., Drexel University, George F. Limbrunner, PE, Hudson Valley Community College (emeritus)

Barker Library - TA444.L44 2014




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Structures Congress 2013: bridging your passion with your profession: proceedings of the 2013 Structures Congress: May 2-4, 2013, Pittsburgh, Pennsylvania / sponsored by the Structural Engineering Institute (SEI) of the American Society of Civil Engineer

Barker Library - TA440.S87 2013




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Self-sensing concrete in smart structures / Baoguo Han, professor, School of Civil Engineering Dalian University of Technology Dalian, China, Xun Yu, associate professor, Mechanical and Energy Engineering, University of North Texas, Denton, TX. USA, Jinp

Barker Library - TA440.H26 2014




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Thermal stresses and temperature control of mass concrete / Zhu Bofang, China Institute of Water Resources and Hydropower Research, and Chinese Academy of Engineering

Barker Library - TA440.Z485 2014




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Composites with inorganic matrix for repair of concrete and masonry structures: held at the ACI Spring 2017 Convention, Detroit, Michigan, USA, 26-30 March 2017 / editors, Gianmarco de Felice, Lesley H. Sneed, Antonio Nanni

Barker Library - TA439.A57 2017




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Soft probes for bio-electrochemical imaging Tzu-En Lin

Online Resource




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The Lysenko controversy as a global phenomenon: genetics and agriculture in the Soviet Union and beyond / William deJong-Lambert, Nikolai Krementsov, editors

Hayden Library - QH429.2.L97 L975 2017




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Translation mechanisms and control / edited by Michael B. Mathews, Rutgers New Jersey Medical School; Nahum Sonenberg, McGill University; John W.B. Hershey, University of California, Davis

Hayden Library - QH450.5.T195 2019




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Semiconductor lasers and diode-based light sources for biophotonics / edited by Peter E. Andersen, Paul Michael Petersen

Online Resource




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How scientific progress occurs: incrementalism and the life sciences / Elof Axel Carlson

Hayden Library - QH315.C2885 2018