氯甲酸乙酯 、 S(+)-米安色林 以
甲苯 为溶剂,
反应 3.17h,
以to give 6.57 g (yield 98%) of the title compound as a pale yellow oil的产率得到Ethyl (S)-(1,2,3,4,10,14b-hexahydrodibenzo[c,f]pyrazino [1,2-a]azepin-2-yl)carboxylate
参考文献:
名称:
14B(R) isomers of novel tetracyclic compounds having anti-allergic and
Tetracyclic compounds having anti-allergic and anti-asthmatic activities
申请人:Sankyo Company, Limited
公开号:US05362725A1
公开(公告)日:1994-11-08
Compounds of formula (I): ##STR1## in which: Q is nitrogen or .dbd.CH--; R.sup.1 and R.sup.2 are hydrogen, alkyl, alkoxy, hydroxy, trifluoromethyl or halogen; and R.sup.3 is a substituted alkyl groups or a pharmaceutically acceptable salt thereof have valuable anti-allergic and anti-asthmatic activities. The compounds are prepared by reacting a corresponding compound where R.sup.3 is replaced by a hydrogen atom with a compound to introduce the group R.sup.3.