(1R,5R,7S)-1,5,7-Trimethyl-2-oxo-7-(5',6',7',8'-tetrahydro-1'-oxa-3'-azacyclopenta[b]naphthalene-2'-yl)-3-azabicyclo[3.3.1]nonan-3-carboxylic acid (-)-menthyl ester 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 22.0h,
以85%的产率得到(+)-(1R,5R,7S)-1,5,7-Trimethyl-7-(5',6',7',8'-tetrahydro-1'-oxa-3'-azacyclopenta[b]naphthalene-2'-yl)-3-azabicyclo[3.3.1]nonan-2-one