2-{2-[(3Z)-5-cyano-1-cyclohexyl-2,6-dioxo-4-propyl-1,6-dihydro-2H-pyridin-3-ylidene]hydrazin-1-yl}benzoic acid methyl ester 在
sulfur 、
三乙胺 作用下,
反应 0.17h,
以92%的产率得到(7Z)-2-[2-(3-amino-5-cyclohexyl-1-ethyl-4,6-dioxo-5,6-dihydrothieno[3,4-c]pyridine-7(4H)-ylidene)hydrazinyl]benzoic acid methyl ester