Hydroboration of ferrocenylalkenes: mechanistic and synthetic aspects
Abstract
Several ferrocenylalkenes (FcCR
CH2, FcCH
CHR, FcCR
CHR, and FcCH
CHAr) have been subjected to hydroboration–oxidation. The results show that the regioselectivity of the reaction is governed by both steric and electronic factors. Since the ferrocenyl group is particularly effective at the β-position, hydroboration–oxidation represents a convenient and general route to the preparation of 2-ferrocenylalkanols.
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