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Highly Stereoselective Synthesis of Trisubstituted cis-[3]Cumulenols from Alkynylated Oxatitanacycles in the Presence of Lewis acids

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posted on 2010-01-25, 00:00 authored by Jingjin Chen, Yuanhong Liu

A highly efficient and stereoselective method for the synthesis of trisubstituted cis-[3]cumulenols via oxatitanacycles derived from titanium-mediated coupling of 1,3-butadiynes with aldehydes or ketones promoted by Lewis-acids is described.

Highly Stereoselective Synthesis of Trisubstituted cis-[3]Cumulenols from Alkynylated Oxatitanacycles in the Presence of Lewis acids

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