7-{2-(2-Allyloxycarbonylamino-thiazol-4-yl)-2-[(Z)-methoxyimino]-acetylamino}-2-cyano-8-oxo-5,6,7,8-tetrahydro-3H-pyrazolo[1,2-a]pyridazine-1-carboxylic acid allyl ester 在
bis-triphenylphosphine-palladium(II) chloride 、
三正丁基氢锡 、
溶剂黄146 作用下,
生成 6-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-2-cyano-5-oxo-1,6,7,8-tetrahydropyrazolo[1,2-a]pyridazine-3-carboxylic acid