139168-60-8Relevant articles and documents
Silica-Gel-Catalysed Knoevenagel Condensation of Peptidyl Cyanomethyl Ketones with Aromatic Aldehydes and Ketones. A Novel Michael Acceptor Functionality for C-Modified Peptides: The Benzylidene and Alkylidene Cyanomethyl Ketone Function
Brillon, Denis,Sauve, Gilles
, p. 1838 - 1842 (1992)
Simple preparation of cyanomethyl ketone derivatives 5a-5b of N-acetylphenylalanine and N-acetylleucylphenylalanine is accomplished by condensation of the corresponding activated carboxylic acids 3a-3b and the carbanion of tert-butyl cyanoacetate to give