反应详情

4-{2-Oxo-2-[N′-(pyridine-4-carbonyl)hydrazino]ethoxy}piperidine-1-carboxylic acid tert-butyl ester (Preparation 16) was treated with Lawesson's reagent in a similar manner to that described in Example 138, affording the title compound: RT=3.47 min, m/z (ES+)=377.1 [M+H]+.