A 13C NMR Method for Determining the Stereochemistry of the A/B Ring Junction in B-Norsteroids

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James R. Hanson, Peter B. Hitchcock, Vasuki Thangavelu and Cavit Uyanik


Abstract

A correlation between the position of the 13C NMR signal for the C-10 methyl group (C-19) and the stereochemistry of the A/B ring junction has been established and applied to the determination of the stereochemistry of the products of the hydroboration of B-norandrosta-3,5-dien-17-one.


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