Dialkyltitanium-mediated titanation of conjugated 1,3-butadiynes and its coupling reactions with aldehydes: a facile synthesis of stereodefined enynes and trans-enynols

A highly efficient and convenient method for the selective titanation of 1,3-butadiynes using Ti(OiPr)4/nBuLi reagent has been developed. The method provided a facile synthesis of enynes and trans-enynols in a well-stereodefined manner.

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