申请人:Synthelabo
公开号:US04272539A1
公开(公告)日:1981-06-09
Pyridoindole derivatives of formula ##STR1## n=0 or 1; R.sub.1 =H, Hal, alk, alk-O-, CF.sub.3 ; R.sub.2 =--COOalk; --CONHR.sub.5 (R.sub.5 =H or various substituents); R.sub.3 =H, alk, --COOalk; R.sub.4 =H, Ac, alk, --CONHR.sub.6 (R.sub.6 =H or various substituents), and acid addition salts, except certain known compounds, are useful in treating anoxia and depression and in psychotropic therapy. They are prepared from tryptamine or a derivative thereof by reaction thereof with a pyruvic ester or 3-ethoxycarbonyl-1,2-dioxo-1-ethoxypropane to form compounds in which R.sub.4 is H and R.sub.2 is --COOalk. These compounds are reacted with amines, isocyanates or usual N-acylating or N-alkylating reagents to prepare the other compounds.
Pyridoindole衍生物的化学式为##STR1## n=0或1;R.sub.1=H、Hal、烷基、烷氧基、CF.sub.3;R.sub.2=--COO烷基;--CONHR.sub.5(R.sub.5=H或各种取代基);R.sub.3=H、烷基、--COO烷基;R.sub.4=H、Ac、烷基、--CONHR.sub.6(R.sub.6=H或各种取代基),以及酸盐,除了某些已知化合物外,可用于治疗缺氧和抑郁症以及精神药物疗法。它们是由色胺或其衍生物与丙酸酯或3-乙氧羰基-1,2-二氧化-1-乙氧基丙烷反应制备的,形成R.sub.4为H和R.sub.2为--COO烷基的化合物。这些化合物与胺、异氰酸酯或常规的N-酰化或N-烷基化试剂反应,以制备其他化合物。