摘要:
There are provided ergoline derivatives of formula ##STR1## wherein R.sub.1 .dbd.H, CH.sub.3 ; R.sub.2 .dbd.H or halogen atom, or CH.sub.3,CN, alkyl- or phenyl-thio; R.sub.3 .dbd.H, OCH.sub.3 ; R.sub.4 .dbd.C.sub.1 -C.sub.4 hydrocarbon group; X.dbd.O, S, NH; A.dbd.CO, SO.sub.2 ; B.dbd.C.sub.1 -C.sub.4 hydrocarbon group, aryl, aralkyl, heterocyclic ring group, alkoxy, aryloxy; n.dbd.0, 1, 2; and pharmaceutically acceptable salts thereof.A process for preparing said compounds is also provided. The compounds show anti-hypertensive activity and are active on the gastroenteric system.
摘要翻译:提供式(Ⅰ)的麦角灵衍生物,其中R1 = H,CH3; R2 = H或卤素原子,或CH3,CN,烷基或苯基 - 硫基; R3 = H,OCH3; R4 = C1-C4烃基; X = O,S,NH; A = CO,SO2; B = C1-C4烃基,芳基,芳烷基,杂环基,烷氧基,芳氧基; n = 0,1,2; 及其药学上可接受的盐。 还提供了制备所述化合物的方法。 这些化合物显示出抗高血压活性,并且对胃肠系统有活性。
摘要:
Novel 8.beta.-pyrimidino-aminomethyl-10.alpha.-ergoline and 10.alpha.-methoxyergoline derivatives which possess a high and prolonged adrenolytic activity and a low toxicity, and some of which also possess hypotensive and analgesic activity are prepared by reacting a pyrimidine anion with an ergoline derivative in an aprotic solvent.
摘要:
Pyrimidinoaminoethyl ergoline derivatives of the formula: ##STR1## wherein R is hydrogen or methyl; R.sub.1 and R.sub.2 are independently selected from the group consisting of hydrogen, alkyl having 1 to 3 carbon atoms, methoxy and phenyl;R.sub.3 is hydrogen, halogen, alkyl and alkoxy each having 1 to 3 carbon atoms, phenyl, nitro, amino, cyano, acylamino, carboxamido and carbalkoxy each having 1 to 3 carbon atoms, trifluoromethyl or --SO.sub.2 --Y wherein Y is hydroxyl, amino or methyl and R.sub.4 is hydrogen or methoxy are prepared by reacting an ergoline derivative of formula III and a 2-aminopyrimidine anion of formula II ##STR2##
摘要翻译:具有下式的嘧啶基氨基乙基麦角灵衍生物:其中R是氢或甲基; R 1和R 2独立地选自氢,具有1至3个碳原子的烷基,甲氧基和苯基; R3是氢,卤素,烷基和烷氧基,各自具有1至3个碳原子,苯基,硝基,氨基,氰基,酰氨基,甲酰胺基和碳烷氧基,各自具有1至3个碳原子,三氟甲基或-SO2-Y,其中Y是羟基, 或甲基和R 4是氢或甲氧基通过使式III的麦角灵衍生物与式II的2-氨基嘧啶阴离子反应来制备。
摘要:
A compound is disclosed of the formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom, or a carboxy, alkoxycarbonyl, piperidinocarbonyl, 1-pyrrolidinylcarbonyl, morpholinocarbonyl, carbamoyl or benzylcarbamoyl group, or an alkylcarbamoyl or dialkylcarbamoyl group in which the, or each, alkyl group has from 1 to 4 carbon atoms;R.sub.2 represents a hydrogen or fluorine atom, or a cyano, acetyl or carbamoyl group; andR.sub.3 represents a hydrogen atom or a methyl group; and represents a single or a double bond, with the proviso that R.sub.1 and R.sub.2 do not simultaneously represent hydrogen atoms;or a pharmaceutically acceptable salt thereof.
摘要:
New 4,5,6,7-tetrahydroimidazo-[4,5-c]-pyridine derivatives are disclosed, and more particularly derivatives of Formula I ##STR1## where R.sub.1 is hydrogen or an alkyl having from 1 to 4 carbon atoms;R.sub.2 is hydrogen, an alkyl having from 1 to 4 carbon atoms, a cycloalkyl having from 3 to 6 carbon atoms, phenyl or a heterocycle;R.sub.3 is hydrogen, a saturated or unsaturated straight or branched alkyl having from 1 to 6 carbon atoms, a cycloalkyl having from 3 to 6 carbon atoms, benzoyl or phenyl; andX is O, S or NR.sub.4 where R.sub.4 is hydrogen, an alkyl having from 1 to 4 carbon atoms, cyano, amino, nitro or acylamino;Or pharmaceutically acceptable acid addition salts thereof. Also disclosed is a process of preparing these compounds which comprises condensing an appropriate 4,5,6,7-tetrahydroimidazo-[4,5-c]-pyridine with an appropriate alkyl isocyanate, alkyl isothiocyanate or substituted S-methyl thiourea, preferably in a solvent such as ethanol, acetonitrile or dioxane, usually under reflux for from 4 to 12 hours. The products can be isolated by crystallization as free bases or as salts of pharmaceutically acceptable acids. The new compounds have proved to be well tolerated and to inhibit both the number of experimental ulcers and the gastric secretion in experimental animals. Thus, they should prove useful in the therapy of gastric and duodenal ulcers in man.
摘要:
Compounds are disclosed of the general formula (I): ##STR1## wherein R.sub.1 is a lower alkyl having from 1 to 4 carbon atoms; R.sub.2 is hydrogen or a lower alkyl having from 1 to 4 carbon atoms; and R.sub.3 is a saturated or unsaturated straight or branched alkyl having from 1 to 4 carbon atoms. A process for making such compounds is also disclosed. These compounds are useful as antiulcer agents and as inhibitors of gastric secretion.
摘要:
Ergoline derivatives are disclosed having the general formula ##SPC1##Wherein R is selected from the group consisting of a lower alkyl radical having from 1 to 4 carbon atoms; an --NH-lower alkyl radical having from 1 to 4 carbon atoms; a free or substituted phenyl- or 2-furanoyl radical; the --O--CH.sub.2 --C.sub.6 H.sub.5 radical; a (3)- or (4)-pyridine radical free or substituted by a methyl radical or a chlorine or bromine atom; a pyrrole radical of formula ##SPC2##WhereinY is hydrogen, a lower alkyl radical having from 1 to 4 carbon atoms or phenyl;R.sub.1 is hydrogen or methyl;R.sub.2 is hydrogen, methyl or halogen; andR.sub.3 and R.sub.4 are the same or different and are hydrogen, halogen, a lower alkyl radical having from 1 to 4 carbon atoms, carbethoxy, or a lower alkyloxy radical having from 1 to 4 carbon atoms.Novel processes for the preparation of these compounds are also disclosed.
摘要:
Compounds of the formula (I) ##STR1## wherein R.sub.1 is:(a) hydrogen, or C.sub.1 -C.sub.6 alkyl;(b) an unsubstituted 2-pyridyl or 3-pyridyl group;(c) a benzyl group, wherein the phenyl ring is unsubstituted or substituted by halogen, C.sub.1 -C.sub.6 alkoxy or C.sub.1 -C.sub.6 alkyl;(d) a phenyl ring, unsubstituted or substituted by one or two groups chosen from halogen, trihalomethyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkanoylamino, nitro and amino;each of R.sub.2 and R.sub.3 independently represents hydrogen, halogen or C.sub.1 -C.sub.6 alkyl;R.sub.4 represents a 2-pyridyl, 3-pyridyl or 4-pyridyl group, unsubstituted or substituted by C.sub.1 -C.sub.6 alkyl;and the pharmaceutically acceptable salts thereof are disclosed. The compounds have activity in the gastroenteric system, particularly anti-ulcerogenic and gastric anti-secretory activity. Additionally, the compounds have activity in reducing the undesired gastrointestinal side-effects resulting from systemic administration of anti-inflammatory prostaglandin synthetase inhibitors.
摘要:
Compounds and process for making same are disclosed, the compounds having the formula (I): ##STR1## wherein R.sub.1 represents a methyl, phenyl, piperidino, 1-pyrrolidinyl, morpholino or 4-methyl-1-piperazinyl group, an alkyl or alkoxy group having from 1 to 4 carbon atoms, an amino group, a substituted amino group of the formula NHR' (wherein R' represents an alkyl group having from 1 to 4 carbon atoms, a cycloalkyl group, a benzyl group, or a phenyl group) or a substituted amino group of the formula NR" R"' (wherein R" and R"' both represent alkyl groups having from 1 to 4 carbon atoms);R.sub.2 represents a hydrogen atom, an alkyl group having from 1 to 4 carbon atoms, or a phenyl group;R.sub.3 represents a fluorine atom, a cyano, difluoromethyl, difluorobromomethyl, trifluoromethyl, methylthio, methylsulphonyl, or sulphonamido group, an alkoxy group having from 1 to 4 carbon atoms, an acyl group having from 2 to 4 carbon atoms, or a benzoyl group;R.sub.4 represents a hydrocarbon group having from 1 to 4 carbon atoms;R.sub.5 represents a hydrogen atom or a methoxy group;R.sub.6 represents a hydrogen or halogen atom or a methyl group; andR.sub.7 represents a hydrogen atom or a methyl group.The 2-cyano derivatives are especially preferred.
摘要:
Pharmacologically active thiazolo[3,2-a]pyrimidines of the formula ##STR1## wherein A is a bond between the .alpha. and .beta.-carbon atoms or (--CH.sub.2 --) group; R.sub.1 and R.sub.2 represent hydrogen or halogen, C.sub.1 -C.sub.4 alkyl, cyano, CF.sub.3, thienyl, pyridyl, biphenyl, naphtyl, phenyl optionally substituted, ##STR2## wherein R' and R" are hydrogen or alkyl; R.sub.3 represents hydrogen, halogen, alkyl, OH, formyloxy, alkanoyloxy, alkenyloxy; R.sub.4 represents pyridyl optionally substituted by alkyl. The compounds have antiinflammatory, antiulcerogenic and anti-gastric secretory activity.
摘要翻译:药物活性的噻唑并[3,2-a]嘧啶,其结构式为:其中A是α和β-碳原子或(-CH 2 - )基团之间的键; R 1和R 2表示氢或卤素,C 1 -C 4烷基,氰基,CF 3,噻吩基,吡啶基,联苯基,萘基,任选取代的苯基,其中R'和R“是氢或烷基; R 3表示氢,卤素,烷基,OH,甲酰氧基,烷酰氧基,烯氧基; R 4表示任选被烷基取代的吡啶基。 该化合物具有抗炎,抗溃疡和抗胃分泌活性。