Intramolecular hydrosilation of acetylenes: Regioselective functionalization of homopropargyl alcohols

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Abstract

Platinum-catalyzed intramolecular hydrosilation of hydrodimethylsilyl ethers of homopropargyl alcohols proceeds regioselectively in a 5-exo-dig mode. The resulting vinylsilanes can be transformed into 3-alkanon-1-ol and 3-bromo-3-alken-1-ol derivatives by H2O2 oxidation and bromine cleavage, respectively.

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