中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | methyl N-[2-(4,5-dimethoxy-2-[2-(4-methoxyphenyl)ethyl]phenyl)ethyl]-N-methylcarbamate | 308803-68-1 | C22H29NO5 | 387.476 |
去甲乌药碱的中间体 | 7,12-O,O'-dimethylcoclaurine | 41498-37-7 | C19H23NO3 | 313.397 |
—— | 6,7-dimethoxy-1-(4-methoxybenzyl)-2-methyl-1,2,3,4-tetrahydroisoquinoline | 1934-93-6 | C20H25NO3 | 327.423 |
—— | (E)-methyl N-[2-(4,5-dimethoxy-2-[2-(4-methoxyphenyl)ethenyl]phenyl)ethyl]-N-methylcarbamate | 308803-66-9 | C22H27NO5 | 385.46 |
The structures previously assigned to the seco benzyltetrahydroisoquinoline alkaloids polysignine (1) and methoxypolysignine (2) have been confirmed by total syntheses in which the key step involved cleavage of the C1–N bonds in the corresponding N-methylbenzyltetrahydroisoquinolines.