反应详情

In analogy to the procedure described for the preparation of intermediate A-7, 5-bromopyridin-3-ol was reacted with (S)-3-hydroxy-pyrrolidine-1-carboxylic acid tert-butyl ester in presence of di-(4-chlorobenzyl)azodicarboxylate and triphenylphosphine to give the title compound as a white solid. MS: 343.1 and 345.1 (M+H+).