Azomethine Yldies from the Reaction of 4-(Dicyanomethylene)-3-methyl-1-phenyl-2-pyrazoline-5-one with α-Amino Acids and Their Esters
4-(Dicyanomethylene)-3-methyl-1-phenyl-2-pyrazoline-5-one (1) readily reacts with α-amino acids and their esters by Michael addition and subsequent elimination of HCN to the adducts 2a-k.One of these, 2i (obtained from methyl glycinate), adds stereoselect
Metwally, Saoud A. M.,Aly, Moustafa F.,Abd-Alla, Mohamed A.,Atta, Ferial M.,Abd-El-Monem, Maisa E.
p. 387 - 389
(2007/10/02)
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