9-dihydroxy-1,3-dimethoxy-7-methyl-6a,7-dehydroaporphine 1a and 3,9-dihydroxy-1,2-dimethoxy-7-methyl-6a,7-dehydroaporphine 1b are described. Direct comparison of both with natural goudotianine isolated from Guatteria goudotiana R. E. Fries showed the latter to be identical with 1b.
2,9-二羟基-1,3-二甲氧基- 7-甲基6a中,的全合成7- dehydroaporphine 1A和3,9-二羟基-1,2-二甲氧基- 7-甲基-6A,7-dehydroaporphine 1B中描述。两者与从Guatteria goudotiana RE Fries中分离出的天然古丁
氨酸的直接比较显示后者与1b相同。