3'-(3,4,8,9-tetrahydro-6-methoxy-3,3,8,8-tetramethylfuro[2,3-h]isoquinolin-1-yl)[1,1'-biphenyl]-4-amine 、
三甲基乙酰氯 以
N-[3-(3,4,8,9-Tetrahydro-6-methoxy-3,3,8,8-tetramethylfuro[2,3-h]isoquinolin-1-yl)phenyl]acetamide 为溶剂,
以68%的产率得到N-[3'-(3,4,8,9-Tetrahydro-6-methoxy-3,3,8,8-tetramethylfuro[2,3-h]isoquinolin-1-yl)[1,1'-biphenyl]-4-yl]-2,2-dimethylpropanamide