Issue 2, 2012
From the journal:

CrystEngComm

Role of arene interactions and substituent effects in conformational (syn/anti) control of 1,2-diarylethanes†‡

Kamlakar Avasthi,*a   Amar Kumar,a   Sangeeta Aswal,a   Ruchir Kant,b   Resmi Raghunandan,b   Prakas R. Maulik,b   Ranjana S. Khannac  and  Krishnan Ravikumard  

* Corresponding authors

a Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow, India
E-mail: kavasthi@rediffmail.com

b Molecular and Structural Biology Division, CSIR-Central Drug Research Institute, Lucknow, India

c Department of Chemistry, Banaras Hindu University, Varanasi, India

d X-Ray Crystallography Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, India

Abstract

Conformational analysis of nine designed flexible 1,2-diarylethanes with different substituents show syn conformation due to π–π interactions by 1H NMR in solution, this carries over to the solid state for three compounds while two show anti conformation in the solid state by X-ray crystallography and the remaining compounds do not give diffraction quality crystals.

Graphical abstract: Role of arene interactions and substituent effects in conformational (syn/anti) control of 1,2-diarylethanes

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Article information

DOI
https://doi.org/10.1039/C1CE06001E
Article type
Communication
Submitted
04 Aug 2011
Accepted
18 Nov 2011
First published
01 Dec 2011

CrystEngComm, 2012,14, 383-388

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Role of arene interactions and substituent effects in conformational (syn/anti) control of 1,2-diarylethanes

K. Avasthi, A. Kumar, S. Aswal, R. Kant, R. Raghunandan, P. R. Maulik, R. S. Khanna and K. Ravikumar, CrystEngComm, 2012, 14, 383 DOI: 10.1039/C1CE06001E

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