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    • 6. 发明授权
    • Separation of isomers of furo (3,4-C) pyridine derivatives
    • 分离呋喃(3,4-C)吡啶衍生物的异构体
    • US5047537A
    • 1991-09-10
    • US598653
    • 1990-10-18
    • Andre EsanuCharles Eck
    • Andre EsanuCharles Eck
    • C07D491/04C07D491/048C07H17/00
    • C07D491/04C07H17/00
    • This invention relates to a method for the separation of stereoisomers of 7-hydroxy-furo[3,4-c]pyridine derivatives of the formula ##STR1## wherein R.sub.3, R.sub.4 and R.sub.6 represent various substitutents, which comprises reacting a fully O-acetylated monosaccharide halogenide with a racemate of the selected 7-hydroxy-furo[3,4-c]pyridine derivative, to form the (+) and (-) (O-acetylated monosaccharide) (furo[3,4-c] pyridine 7-yl derivative) ethers, then separating the (+) and the (-) ethers by selective crystallization, in an hydroalcoholic medium, either of the acetylated forms or of the corresponding desacetylated forms and, finally, working up each of the separated derivatives by the usual routes. The compounds are known pharmaceuticals.
    • PCT No.PCT / FR90 / 00228 Sec。 371 1990年10月18日第 102(e)1990年10月18日的PCT 1990年4月2日提交的PCT。本发明涉及分离下式的7-羟基 - 呋喃并[3,4-c]吡啶衍生物的立体异构体的方法: 其中R3,R4和R6代表各种取代基,其包括使完全O-乙酰化的单糖卤化物与所选择的7-羟基 - 呋喃并[3,4-c]吡啶衍生物的外消旋体反应形成(+)和( - )(O-乙酰化单糖)(呋喃并[3,4-c]吡啶-7-基衍生物)醚,然后通过选择性结晶在水醇介质中分离(+)和( - )醚,任一种乙酰化形式 或相应的去乙酰化形式,最后通过通常的路线处理每个分离的衍生物。 这些化合物是已知的药物。
    • 7. 发明授权
    • New quinoline derivatives, their preparation and therapeutic
compositions containing the same
    • 新喹啉衍生物,其制备方法和含有其的治疗组合物
    • US4782068A
    • 1988-11-01
    • US22620
    • 1987-03-04
    • Andre Esanu
    • Andre Esanu
    • A61K31/47A61P31/04C07D215/56C07D405/06C07D215/18
    • C07D405/06C07D215/56
    • The invention relates to new quinoline derivatives of the formula: ##STR1## wherein R stands for C.sub.2 H.sub.5, C.sub.2 H.sub.4 F, CH.sub.2 --O--CH.sub.2 --CH.sub.2 OH, ##STR2## to a process for their preparation comprising reacting, for 12-24 hours, at 70.degree.-95.degree. C., in dimethylformamide, the 1,4-dihydro- 3-ethoxycarbonyl- 6,8- difluoro-4-oxo-quinoline with an excess of RX (2-5 mol of RX for one mol of quinoline), in the presence of K.sub.2 CO.sub.3 and subsequently hydrolyzing the obtained 3-ester by HCl under reflux conditions and to pharmaceutical compositions comprising at least one 1,4-dihydro- 3-carboxy- 6,8-difluoro- 1-R-4-oxo-quinoline derivative in admixture with a pharmaceutically acceptable diluent or carrier.
    • 本发明涉及下式的新喹啉衍生物:其中R代表C 2 H 5,C 2 H 4 F,CH 2 -O-CH 2 -CH 2 OH,其中R 3代表其制备方法,包括使12 -24小时,在70℃-95℃,在二甲基甲酰胺中,将1,4-二氢-3-乙氧基羰基-6,8-二氟-4-氧代喹啉与过量的RX(2-5摩尔RX 对于一摩尔喹啉),在K 2 CO 3的存在下,然后在回流条件下用HCl将所得的3-酯水解,并包含至少一种1,4-二氢-3-羧基-6,8-二氟-1- -R-4-氧代 - 喹啉衍生物与药学上可接受的稀释剂或载体混合。
    • 8. 发明授权
    • Furo-(3,4-C)-pyridine derivatives and therapeutic composition containing
the same
    • 呋喃 - (3,4-C) - 吡啶衍生物和含有它们的治疗组合物
    • US4735950A
    • 1988-04-05
    • US32947
    • 1987-03-30
    • Andre Esanu
    • Andre Esanu
    • C07D491/04C07D491/048A61K31/44
    • C07D491/04
    • This invention relates to 1,3-dihydro-6-methyl-7-hydroxy-furo-(3,4-c)-pyridine derivatives of the general formula I ##STR1## wherein each of A.sub.1 and A.sub.2 independently represents various hydrocarbon groups and therapeutically acceptable addition salts thereof; to a process for the preparation of the same comprising oxidizing the secondary alcohol .alpha..sup.4, 3-o-isopropylidene-1-methyl-5-(1-hydroxy-1-A.sub.1)-methyl pyridine by any usual technique, reacting the resultant ketone with a compound of the general formula XA.sub.2 wherein X stands for Br or I in the presence of magnesium in diethyl ether at the boil and treating the resultant tertiary alcohol with an acidic agent to provoke breaking of the isopropylidene ring and 3,4-cyclisation; and to pharmaceutical compositions containing these derivatives useful for example in diuresis.
    • 本发明涉及通式Ⅰ的1,3-二氢-6-甲基-7-羟基 - 呋喃 - (3,4-c) - 吡啶衍生物,其中A1和A2各自独立地表示各种烃基 和其治疗上可接受的加成盐; 涉及其制备方法,包括用任何常规技术氧化仲醇α4,3-O-异丙叉-1-甲基-5-(1-羟基-1-A1) - 甲基吡啶,使所得酮 与通式XA2的化合物,其中X代表Br或I,在镁存在下在乙醚中沸腾,并用酸性试剂处理所得叔醇以引发异亚丙基环的断裂和3,4-环化; 以及含有可用于例如利尿的这些衍生物的药物组合物。
    • 9. 发明授权
    • Thienopyridine derivatives and anti-thrombotic compositions containing
the same
    • 噻吩并吡啶衍生物和含有它们的抗血栓形成组合物
    • US4681888A
    • 1987-07-21
    • US894780
    • 1986-08-08
    • Andre Esanu
    • Andre Esanu
    • A61K31/435A61P3/00A61P3/14A61P7/02C07D495/04A61K31/44
    • C07D495/04
    • This invention relates to new derivatives of 5-(.omega.-phenethylamino-alkyl) -4,5,6,7-tetrahydro-thieno-(3,2-c)-pyridine of the formula ##STR1## wherein n is an integer of from 2 to 5, R.sub.1 represents a hydrogen atom or a 3,4-dimethoxyphenyl group, R.sub.2 represents a hydrogen atom, an alkyl group having up to 4 carbon atoms or a 4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhexyl group and R.sub.3 represents two or three methoxy groups, to therapeutically acceptable salts thereof, to a process for the preparation of these derivatives comprising condensing a 5-(.omega.-chloroalkyl)-4,5,6,7- tetrahydro- thieno- (3,2-c)-pyridine with the appropriate phenethyl derivative at from 90.degree. to 130.degree. C. under nitrogen circulation and to therapeutic compositions containing said compounds.
    • 本发明涉及式(IMAGE)的5-(ω-苯乙基氨基 - 烷基)-4,5,6,7-四氢 - 噻吩并 - (3,2-c) - 吡啶的新衍生物,其中n是 2至5,R 1表示氢原子或3,4-二甲氧基苯基,R 2表示氢原子,具有至多4个碳原子的烷基或4-氰基-4-(3,4-二甲氧基苯基) - 5-甲基己基,R3代表两个或三个甲氧基,其代表其治疗上可接受的盐,涉及制备这些衍生物的方法,包括将5-(ω-氯代烷基)-4,5,6,7-四氢噻吩并 - (3,2-c) - 吡啶与适当的苯乙基衍生物在氮气循环下在90°至130℃下加入含有所述化合物的治疗组合物。