1-(3-苯并[ b ]
噻吩基甲基)-
6,7-二甲氧基-1,2,3,4-四氢异喹啉(1; R = H)的脱甲基得到两个非对映异构体
1,2-二羟基-5,6,6a ,7,7a,12a-六氢-4 H-苯并[ d,e ]
苯并噻吩并-[2,3- g ]
喹啉(4; R = H)。他们的N-乙酰基-二-O-甲基衍
生物(5; R 1 = Me,R 2 = Ac)脱
硫得到非对映异构体1-乙酰基-5,6-二甲氧基-8-苯基-2,3,7,8 ,9,9a-六氢-1 H-苯并[ d,e ]
喹啉(6; R = Ac)。6-甲酰基-1,2-二甲氧基-5,6,6a,7,7a,12a-六氢-4 H-苯并[d,e ]
苯并噻吩并[2,3- g ]
喹啉(5; R 1 = Me,R 2 = CHO)得到1-甲酰基-5,6-二甲氧基-8-苯基-2,3,9,9a-四氢-1 H-苯并[ d,e ]
喹啉(7; R = CHO)与相应的六氢衍
生物的两个可分离的非对映异构体(6;