申请人:SCHERING AKTIENGESELLSCHAFT
公开号:EP0082805A2
公开(公告)日:1983-06-29
Compounds of the formula
wherein
X is hydrogen, fluorine, chlorine or bromine, or a pharmacologically acceptable acid addition salt thereof
are antihypotonically effective.
Moreover, ergotanilides of the formula
C9 C10 is a C-C single or C=C double bond,
R2 is hydrogen, chlorine, or bromine,
R6 is C1-4 alkyl, and
X is H, C1-4 alkyl, C1- 4 alkoxy, fluorine, chlorine, bromine, NH2, NHR' (R' = C1-4 alkyl or C1-4 acyl), NR'R" (R' = C1-4 alkyl or C1-4 acyl; R" = C1-4 saturated or unsaturated heterocyclic ring wherein a CH2- or CH-group thereof can be substituted by N, 0, or S), orSR" (R'" = C1-4 alkyl or phenyl),
can be prepared by reacting the corresponding lysergic acid methyl esters or lysergic acid ethyl esters with a corresponding dimethylaluminum anilide in an inert solvent.
式中的化合物
式中
X 是氢、氟、氯或溴,或其药理学上可接受的酸加成盐
具有抗热毒作用。
此外,式中的麦角酰苯胺
C9 C10 是 C-C 单键或 C=C 双键、
R2 是氢、氯或溴、
R6 是 C1-4 烷基,以及
X是氢、C1-4烷基、C1-4烷氧基、氟、氯、溴、NH2、NHR'(R'=C1-4烷基或C1-4酰基)、NR'R"(R'=C1-4烷基或C1-4酰基;R"=C1-4饱和或不饱和杂环,其中CH2-或CH-基团可被N、0或S取代)或SR"(R'"=C1-4烷基或苯基)、
可通过在惰性溶剂中使相应的麦角酸甲酯或麦角酸乙酯与相应的二甲基苯胺铝反应来制备。