methyl 3-[(3R,4R)-5-amino-3-[(1S)-1-methoxyethyl]-4-methyl-5-oxopent-1-ynyl]-4,5,6,7-tetrahydro-2H-isoindole-1-carboxylate 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 48.0h,
以78%的产率得到methyl 3-[(Z)-[(3R,4R)-3-[(1S)-1-methoxyethyl]-4-methyl-5-oxopyrrolidin-2-ylidene]methyl]-4,5,6,7-tetrahydro-2H-isoindole-1-carboxylate