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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

Steric Effects on the Iodide-Induced Elimination of 2- and 3-Methanesulfonyloxy Groups from 5α-Cholestane Derivatives

SJ Angyal, RG Nicholls and JT Pinhey

Australian Journal of Chemistry 32(11) 2433 - 2440
Published: 1979

Abstract

Contrary to earlier reports on closely related compounds, the reaction of all four diastereomers of 5α-cholestane-2,3-diol bismethanesulfonate with sodium iodide gives 5α-cholest-2-ene. The rate of the reaction decreases in the order 2α,3α > 2α 3β » 28,3α ≈ 2β,3β. The reactions of the 5α-cholestan-2- and -3-yl methanesulfonates with sodium iodide were also investigated. The relative reaction rates are explained by considering the steric effects of the substituents.

https://doi.org/10.1071/CH9792433

© CSIRO 1979

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