tert-butyl [6-[amino(hydroxyimino)methyl]-4-butoxy-2-isobutyl-1-oxo-1,2-dihydro-3-isoquinolinyl]methylcarbamate 在
溶剂黄146 乙酸酐 作用下,
以
四氢呋喃 为溶剂,
以45.8%的产率得到tert-butyl [4-butoxy-2-isobutyl-6-(5-methyl-1,2,4-oxadiazol-3-yl)-1-oxo-1,2-dihydro-3-isoquinolinyl]methylcarbamate