Regioselective Cycloadditions of N-Protonated Azomethine Ylides and 2-Azaallyl Anions Generated from N-(Silylmethyl) Thioimidates, Synthetic Equivalents of Nonstabilized Nitrile Ylides
A water-induced-desilylation method and a direct-desilylation method have been applied to N-(silylmethyl) thioimidates to lead to the generation of N-protonated azomethine ylides and 2-azaallyl anions, respectively.These reactive intermediates are capture
Silyl-Substituted Thioimidates as Nitrile Ylide Equivalents
Treatment of silyl-substituted thioimidates with silver fluoride in the presence of a trapping agent produces dipolar cycloadducts formally derived from nitrile ylides.The ratio of cycloadducts obtained from the reaction of unsymmetrically substituted dip
Padwa, Albert,Gasdaska, John R.,Haffmanns, Gunter,Rebello, Hector
p. 1027 - 1035
(2007/10/02)
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