3,4,8,9-tetrahydro-6-methoxy-3,3,8,8-tetramethyl-1-phenyl-5-furo[2,3-h]isoquinolinemethanamine 以
N-(3,4,8,9-Tetrahydro-3,3,8,8-tetramethyl-1-phenylfuro[2,3-h]isoquinolin-6-yl)formamide 为溶剂,
以84%的产率得到N-[(3,4,8,9-Tetrahydro-6-methoxy-3,3,8,8-tetramethyl-1-phenylfuro[2,3-h]isoquinolin-5-yl)methyl]formamide