申请人:Richter Gedeon Vegyeszeti Gyar Rt
公开号:US04235912A1
公开(公告)日:1980-11-25
The invention relates to new 8.beta.-hydrazinomethyl-ergoline derivatives of the general formula (I), ##STR1## wherein x y stands for a ##STR2## or ##STR3## group, R stands for hydrogen or methyl group, and R.sub.1 stands for hydrogen, a lower acyl group, a di-(lower-alkylaminocarbonyl group, a group of the general formula (VI), ##STR4## wherein Z.sub.1, Z.sub.2 and Z.sub.3 each represent hydrogen, halogen or a trifluoromethyl group, or a group of the general formula (VII), ##STR5## wherein Y represents a lower alkyl group, allyl group or phenyl group, and acid addition salts thereof. These compounds possess valuable antiserotonine, antidepressant and hypotensive effects, furthermore they can be applied as starting substances in the preparation of other biologically active ergoline derivatives. The new compounds of the general formula (I) are prepared according to the invention by reacting the respective 6-methyl-8.beta.-mesyloxymethyl or -tosyloxymethyl-ergoline derivatives with dry hydrazine. In order to obtain the N-substituted hydrazinomethyl compounds, the N-unsubstituted derivatives are reacted with an acylating agent or with an isothiocyanate.
本发明涉及一种新的8-β-肼甲基-麦角酸衍生物,其通式为(I):其中,x、y代表一个-CH2-或-O-,R代表氢或甲基基团,R1代表氢、较低的酰基、二(较低的烷基氨基羰基)基团、通式(VI)的基团,其中Z1、Z2和Z3分别代表氢、卤素或三氟甲基基团,或通式(VII)的基团,其中Y代表较低的烷基基团、烯丙基基团或苯基团,以及它们的酸加成盐。这些化合物具有有价值的抗血清素、抗抑郁和降压作用,此外它们可用作其他生物活性麦角酸衍生物的起始物质。根据本发明,通过将相应的6-甲基-8-β-甲氧基甲基或-对甲苯磺酰氧基甲基麦角酸衍生物与干肼反应来制备通式(I)的新化合物。为了获得N-取代的肼甲基化合物,需要将N-未取代的衍生物与酰化剂或异硫氰酸酯反应。