Bio-inspired synthesis of rare and unnatural carbohydrates and cyclitols through strain driven epimerization

Mohanrao, Raja ; Asokan, Aromal ; Sureshan, Kana M. (2014) Bio-inspired synthesis of rare and unnatural carbohydrates and cyclitols through strain driven epimerization Chemical Communications, 50 (51). pp. 6707-6710. ISSN 1359-7345

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Official URL: http://doi.org/10.1039/C4CC00868E

Related URL: http://dx.doi.org/10.1039/C4CC00868E

Abstract

We report a bio-inspired, strain driven epimerization of trans-ketals to cis-ketals through an enolate intermediate. Swern oxidation of a hydroxyl group adjacent to a trans-ketal effects both oxidation and its epimerization to cis-ketal. This novel and general strategy allows inversion of up to three contiguous stereocenters and has been illustrated by the synthesis of several unnatural/rare isomers of carbohydrates/cyclitols from their naturally abundant isomers.

Item Type:Article
Source:Copyright of this article belongs to Royal Society of Chemistry.
ID Code:119888
Deposited On:18 Jun 2021 06:19
Last Modified:18 Jun 2021 06:19

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