Stereoselective total synthesis of (±)-fragranol by TiCl4 promoted [2+2] cycloaddition of allyl-tert-butyldiphenylsilane and methyl methacrylate†

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Hans-Joachim Knölker, Oliver Schmitt, Günter Wanzl and Gerhard Baum


Abstract

A stereoselective total synthesis of the monoterpenoid alcohol (±)-fragranol has been accomplished utilizing a TiCl4 promoted [2 + 2] cycloaddition of allyl-tert-butyldiphenylsilane and methyl methacrylate as the key step.


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