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Angshuman Roy Choudhury

Researcher at Indian Institute of Science Education and Research, Mohali

Publications -  127
Citations -  3493

Angshuman Roy Choudhury is an academic researcher from Indian Institute of Science Education and Research, Mohali. The author has contributed to research in topics: Crystal structure & Hydrogen bond. The author has an hindex of 26, co-authored 115 publications receiving 2819 citations. Previous affiliations of Angshuman Roy Choudhury include California Institute of Technology & National Institute of Standards and Technology.

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Polymorphs, Salts, and Cocrystals: What’s in a Name?

TL;DR: A discussion of the FDA guidance on regulatory classification of pharmaceutical cocrystals of active pharmaceutical ingredients (APIs) was held in Manesar near Delhi, India, from February 2-4, 2012 as mentioned in this paper.
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In situ crystallization of low-melting ionic liquids.

TL;DR: Single crystals of five very low-melting ionic liquids, [emim]BF4 (mp -1.3 degrees C), [bmim]PF6 (+1.9 degrees C], [BMim]OTf (+6.7 degrees C%), and [hexpy]NTf2 (-3.6 degrees C) have been grown and their crystal structures determined by X-ray diffraction.
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In situ crystallization of ionic liquids with melting points below −25 °C

TL;DR: In this paper, an in situ cryo-crystallization using a zone-melting technique was used to pack interionic C-H⋯O and F-F interactions.
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How Realistic Are Interactions Involving Organic Fluorine in Crystal Engineering? Insights from Packing Features in Substituted Isoquinolines

TL;DR: In this article, three new compounds have been synthesized based on the molecular motif, 6-methoxy-1,2-diphenyl- 1,2,3,4-tetrahydroisoquinoline, with fluorine substitution at para, meta, and ortho positions on the 1-phenyl ring and a fluorine in the ortho position on the 2-phyl ring.
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Selective and unusual fluoride ion complexation by a steroidal receptor using OH...F- and CH...F- interactions: a new motif for anion coordination?

TL;DR: A novel cholaphane has been synthesized from a naturally occurring bile acid in just two steps and has an ability to bind two fluoride ions selectively utilizing the glycolate motif in chloroform.