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Highly Efficient 1,4-Addition of 1,3-Diesters to Conjugated Enones by In/TMSCl

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journal contribution
posted on 14.02.2003, 00:00 by Phil Ho Lee, Dong Seomoon, Kooyeon Lee, Yunkiu Heo
Organoindium reagents derived from indium and diethyl bromomalonates were added to a wide range of conjugated enones in a 1,4-fashion in the presence of TMSCl under mild conditions, and corresponding oxo-1,3-diesters were obtained in good to excellent yields.