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Establishment of atropisomerism in 3-indolyl furanoids: a synthetic, experimental and theoretical perspective†
Sourav Chatterjee,Pinaki Bhattacharjee,Glenn L. Butterfoss,Anushree Achari,Parasuraman Jaisankar
RSC Advances Pub Date : 07/18/2019 00:00:00 , DOI:10.1039/C9RA05350F
Abstract

Introduction of axial chirality in bioactive 3-indolyl furanoids has been achieved by systematic alteration of functional groups around the stereogenic axis, keeping in mind that atropisomerically pure analogues may possess different binding affinities and selectivities towards a target protein. The kinetics of racemization of axially chiral 3-indolyl furanoids have been studied through chiral HPLC analysis, electronic circular dichroism (ECD) spectroscopy, and computational modeling. The results identify the configurational parameters for optically pure 3-indolyl furanoids to exist as stable and isolable atropisomeric form.

Graphical abstract: Establishment of atropisomerism in 3-indolyl furanoids: a synthetic, experimental and theoretical perspective
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