A Catalytic Amount of Titanium Tetrahalide as Promoter for the Addition Reaction of Silyl Ketene Acetals to Imines
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In the presence of a catalytic amount of TiBr<SUB>4</SUB> or TiI<SUB>4</SUB>, the reaction of silyl ketene acetals with imines smoothly proceeds to give the corresponding β-amino esters in high yield with high <I>anti</I>-selectivity.
- Chemistry Letters
Chemistry Letters 1996(7), 545-546, 1996-07
The Chemical Society of Japan