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    • 24. 发明授权
    • Process for the preparation of a new-type active substance selectively
inhibiting food intake
    • 制备选择性抑制食物摄入的新型活性物质的方法
    • US4588685A
    • 1986-05-13
    • US632439
    • 1984-07-19
    • Jozsef KnollJanos NagyHuba KalaszBerta Knoll
    • Jozsef KnollJanos NagyHuba KalaszBerta Knoll
    • A61K35/14A61K35/16A61K38/00A61K38/16A61P3/04C07K1/16C07K1/34C07K14/435C07K14/47C12P21/06
    • C07K14/4702A61K38/00Y10S530/83
    • The invention involves isolating a food intake suppressant by subjecting blood serum to ultrafiltration transmitting up to a molecular weight of 30,000 daltons, partially evaporating the filtrate, removing the insoluble part from the concentrate obtained, adding trichloroacetic acid up to a concentration of 5 to 25 weight/volume percent to the liquid phase at a temperature of 0.degree. to 10.degree. C., removing the proteins precipitated, subjecting the obtained solution to chromatography on a gel with a void volume below a molecular weight of 4000 daltons, eluting with a solution of pH 6.0 to 7.0, concentrating the biologically active fractions, chromatographing again on a gel with a void volume below a molecular weight of 4000 daltons, fractionating by elution with water, lyophilizing the active fractions, dissolving the lyophilized fractions in a buffer of pH 8.1 to 8.2, adding trypsin and chymotrypsin to the solution in a substantially identical amount of 0.01 to 0.2 by weight as calculated for the total weight of the lyophilized product, subjecting the mixture to digestion at a temperature of 36.degree. C. to 39.degree. C., preferably with occasionally shaking from 20 to 30 hours, adding after the first 5 hours trypsin and chymotrypsin in a substantially half amount as calculated for the original enzyme quantity and continuing the digestion, then adding trichloroacetic acid to the reaction mixture up to a concentration of 4 to 6 weight/volume percent at a temperature between 0.degree. and 10.degree. C., keeping the mixture at a temperature between -15.degree. C. and 5.degree. C. for 1 to 24 hours, removing the insoluble part, subjecting the reaction mixture to chromatography on a gel with a void volume below a molecular weight of 4000 daltons, fractionating by elution with water and lyophilizing the biologically active fractions.
    • 本发明涉及通过使血清进行超滤,分子量为30,000道尔顿,部分蒸发滤液,从所得浓缩物中除去不溶部分,加入高达5至25重量%的三氯乙酸,分离食物摄取抑制剂 /体积%至液相,在0℃至10℃的温度下,除去沉淀的蛋白质,将得到的溶液在孔隙体积低于4000道尔顿的凝胶上进行色谱分离,用 浓缩生物活性级分,再次在空白体积低于4000道尔顿的凝胶上进行色谱分离,用水洗脱分级,冻干活性级分,将冻干级分溶解在pH8.1缓冲液中至 8.2,将胰蛋白酶和胰凝乳蛋白酶以基本相同的量加入到溶液中,计算为0.01至0.2重量份 d,冻干产物的总重量,在36℃至39℃的温度下进行消化,优选在20至30小时内偶尔振荡,在第一个5小时后加入胰蛋白酶和胰凝乳蛋白酶 基本上为原始酶量计算的一半量并继续消化,然后在0℃和10℃之间的温度下,向反应混合物中加入高达4至6重量/体积百分数的浓度的三氯乙酸,保持混合物 在-15℃至5℃的温度下反应1至24小时,除去不溶部分,将反应混合物在空隙体积低于4000道尔顿的凝胶上进行色谱分离,通过用 水并冻干生物活性级分。
    • 26. 发明授权
    • Process for the preparation of vincaminic acid esters
    • 用于制备长春酸酯的方法
    • US4464534A
    • 1984-08-07
    • US425866
    • 1982-09-28
    • Csaba SzantayLajos SzaboGyorgy KalausJanos KreidlAndras NemesMaria Farkas nee KirjakGyorgy ViskyLaszlo Czibula
    • Csaba SzantayLajos SzaboGyorgy KalausJanos KreidlAndras NemesMaria Farkas nee KirjakGyorgy ViskyLaszlo Czibula
    • C07D461/00C07D455/00
    • C07D461/00
    • The invention relates to a new process for the preparation of apovincaminic acid esters. More particularly, the invention concerns a process for preparing racemic and optionally active vincaminic acid esters of the formula (I) ##STR1## in which R.sup.1 and R.sup.2 independently stand for alkyl having from one to 6 carbon atoms, and 14-epimers thereof.According to the invention an octahydroindolo[2,3-a]quinolizine-oxime ester of the formula (II) ##STR2## in which R.sup.1 and R.sup.2 have the same meaning as defined above, is reacted with an aqueous solution of sulfurous acid or a salt thereof at a temperature of 80.degree. to 110.degree. C. and the 14-epimeric mixture obtained is epimerized or separated in a known manner and if desired, the racemic vincaminic acid esters are resolved.The valuable, pharmaceutically active compounds of the formula (I) can be prepared according to the invention in a considerably improved yield and the undesired side reactions can be suppressed and/or the by-products can easily be converted into other pharmaceutically active materials.
    • 本发明涉及一种用于制备氨磷酸酯的新方法。 更具体地说,本发明涉及一种制备式(I)的外消旋和任选活性的长春胺酸酯的方法,其中R 1和R 2独立代表具有1至6个碳原子的烷基,和14-差向异构体 其中。 根据本发明,其中R 1和R 2具有与上述相同的含义的式(II)的二氢吲哚并[2,3-a]喹嗪肟酯与其中的亚硫酸酯水溶液 酸或其盐,并且所得的14-差向异构体混合物以已知方式进行差向异构化或分离,如果需要,外消旋的长春碱酯被分解。 式(I)的有价值的药物活性化合物可以按照本发明以显着提高的产量制备,并且可以抑制不期望的副反应和/或副产物可以容易地转化成其它药物活性物质。
    • 28. 发明授权
    • Process for the preparation of halovincamone derivatives
    • 制备Halovincone酮衍生物的方法
    • US4356305A
    • 1982-10-26
    • US175384
    • 1980-08-05
    • Csaba SzantayLajos SzaboGyorgy KalausLajos DancsiTibor KeveFerenc Drexler
    • Csaba SzantayLajos SzaboGyorgy KalausLajos DancsiTibor KeveFerenc Drexler
    • A61K31/435A61P9/08C07D461/00
    • C07D461/00
    • The invention relates to new halovincamone derivatives of the general formula (I), ##STR1## wherein R is a C.sub.1-6 alkyl group and X is halogen, and pharmaceutically acceptable acid addition salts and optically active isomers thereof. These compounds possess valuable vasodilating effect, and can be applied to advantage in the therapy.The new compounds defined above are prepared according to the invention so that a single epimer or an epimeric mixture of a racemic or optically active halogenated 14-oxo-15-hydroxy-E-homoeburnane derivative of the general formula (II), ##STR2## wherein R and X are as defined above, or an acid addition salt thereof is treated with an oxidizing agent, and, if desired, the resulting compound of the general formula (I) is converted into its pharmaceutically acceptable acid addition salt and/or resolved.
    • 本发明涉及通式(I)的新的Halovincone酮衍生物,其中R是C 1-6烷基,X是卤素的化合物及其药学上可接受的酸加成盐和旋光异构体。 这些化合物具有有价值的血管扩张作用,可用于治疗中的优势。 根据本发明制备上述新化合物,使得通式(II)的外消旋或光学活性的卤代14-氧代-15-羟基-E-高拜尔班恩衍生物的单个差向异构体或差向异构体混合物 (II)其中R和X如上所定义,或其酸加成盐用氧化剂处理,如果需要,将所得的通式(I)化合物转化为其药学上可接受的酸加成盐和 /或解决。
    • 29. 发明授权
    • 5-Phenyl-1,3,4,5-tetrahydro-2H-1,4-benzodiazepin-2-ones, and
pharmaceutical compositions containing them
    • 5-苯基-1,3,4,5-四氢-2H-1,4-苯并二氮杂-2-和含有它们的药物组合物
    • US4329341A
    • 1982-05-11
    • US178679
    • 1980-11-26
    • Julianna RochrichtLajos KisfaludyMarton KajtarEva PalosiLaszlo Szporny
    • Julianna RochrichtLajos KisfaludyMarton KajtarEva PalosiLaszlo Szporny
    • C07D243/24A61K31/55
    • C07D243/24
    • The invention relates to new optically active or racemic 5-phenyl-1,3,4,5-tetrahydro-2H-1,4-benzodiazepin-2-one derivatives of the general formula (I) ##STR1## wherein R.sup.1 stands for hydrogen, halogen, trifluoromethyl or a nitro group;R.sup.2 stands for hydrogen or alkyl having 1 to 6 carbon atoms;R.sup.3 represents a group conventionally attached to the --CH(NH.sub.2)--COOH group of the known optically active or racemic .alpha.-amino-acids, preferably an optionally substituted lower alkyl group;R.sup.4 is hydrogen, chlorocarbonyl or carbamoyl; andX is hydrogen, halogen or trifluoromethyl, with the proviso that if in the racemic compounds R.sup.4 stands for hydrogen R.sup.3 is other than alkyl having 1 to 6 carbon atoms, in which the centers of asymmetry in the 3- and 5-positions have the same absolute configuration, and pharmaceutically acceptable acid addition salts thereof, and a process for their preparation. The new compounds show valuable enzyme inducing activity and can therefore be employed as active ingredients of pharmaceutical compositions, which are also within the scope of the present invention.
    • 本发明涉及通式(I)的新的光学活性或外消旋的5-苯基-1,3,4,5-四氢-2H-1,4-苯并二氮杂-2-酮衍生物,其中R 1 代表氢,卤素,三氟甲基或硝基; R2代表氢或具有1至6个碳原子的烷基; R3表示通常与已知光学活性或外消旋的α-氨基酸的-CH(NH 2)-COOH基团连接的基团,优选任选取代的低级烷基; R4是氢,氯代羰基或氨基甲酰基; 并且X是氢,卤素或三氟甲基,条件是如果在外消旋化合物中R4代表氢,R3不是具有1至6个碳原子的烷基,其中3-和5-位的不对称中心具有 相同的绝对构型及其药学上可接受的酸加成盐及其制备方法。 新化合物显示有价值的酶诱导活性,因此可用作药物组合物的活性成分,其也在本发明的范围内。