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    • 1. 发明申请
    • NOVEL PROCESS FOR PRODUCTION OF CABERGOLINE
    • 生产咖啡因的新工艺
    • WO2005085243A2
    • 2005-09-15
    • PCT/HU2005000022
    • 2005-03-02
    • RICHTER GEDEON VEGYESZETGALAMBOS JANOSCZIBULA LASZLOSEBOK FERENCBALINT SANDORNEKASSAI FERENCNEIGNACZNE SZENDREI GYOERGYIDEMETER ADAM
    • GALAMBOS JANOSCZIBULA LASZLOSEBOK FERENCBALINT SANDORNEKASSAI FERENCNEIGNACZNE SZENDREI GYOERGYIDEMETER ADAM
    • C07D457/06C07D457/00
    • C07D457/06
    • A process for preparing cabergoline (I) from ergoline-8beta-carboxylic acid ester (XIII) comprising the following steps. (a) reacting an ergoline-8beta-carboxylic acid ester of formula (XIII), wherein R1 represents a C1-4 alkyl group, in the presence of a catalyst (i) with a compound of formula (XIV), X-COOR2 (XIV) wherein R2 is an optionally substituted straight or branched C1-6 alkyl group, X represents a bromine or chlorine atom, or (ii) with a compound of formula (XV), O(COOR2)2 (XV) wherein R2 is a group as defined above; (b) reacting the obtained carbamate derivative of formula (XVI) with 3-(dimethylamino)-propylamine (DMAPA) in the presence of a catalyst; (c) reacting the obtained ergoline-8beta-carboxamide derivative of formula (XVII) with ethyl isocyanate (EtNCO) in the presence of ligand(s) and Ib and IIb metal group salt catalysts; (d) reacting the obtained protected N-acylurea derivative of formula (XVIII) with a strong aqueous inorganic acid (aq./acid); (e) reacting the obtained secondary amine (XIX) with an electrophyl allyl alcohol derivative in the presence of a palladium or nickel containing catalyst and optionally in the presence of ligand(s) to form cabergoline (I). The intermediates of (XVI), (XVII), (XVIII) and (XIX) are novel. The polymorphic amorphous form of Cabergoline (I) and the production thereof.
    • 一种从麦角灵八羧酸酯(XIII)制备卡麦角林(I)的方法,包括以下步骤。 (ⅰ)在催化剂(ⅰ)与式(ⅩⅣ)的化合物,X-COOR2(ⅩⅣ)的存在下,使式(ⅩⅩⅢ)的麦角灵-8-羧酸酯,其中R 1表示C 1-4烷基, XIV)其中R2是任选取代的直链或支链C 1-6烷基,X代表溴或氯原子,或(ii)与式(ⅩⅤ)化合物,O(COOR 2)2(ⅩⅤ)化合物,其中R 2是 组如上所述; (b)在催化剂存在下使所得得到的式(ⅩⅥ)的氨基甲酸酯衍生物与3-(二甲氨基) - 丙胺(DMAPA)反应; (c)在配体和Ib和IIb金属盐盐催化剂存在下,使得到的式(XVII)的麦角灵八乙酰胺衍生物与异氰酸乙酯(EtNCO)反应; (d)使得到的式(XVIII)的保护的N-酰基脲衍生物与强无机酸水溶液(水溶液)反应; (e)在含钯或镍的催化剂存在下,任选地在配体存在下,使得到的仲胺(XIX)与电子烯丙基醇衍生物反应形成卡麦角林(I)。 (XVI),(XVII),(XVIII)和(XIX)的中间体是新的。 卡麦角林(I)的多晶型无定形形式及其生产。
    • 3. 发明申请
    • PIPERAZINE SALT AND A PROCESS FOR THE PREPARATION THEREOF
    • 哌嗪盐及其制备方法
    • WO2010070369A8
    • 2011-04-28
    • PCT/HU2009000108
    • 2009-12-17
    • RICHTER GEDEON NYRTCZIBULA LASZLOAGAINE CSONGOR EVANOGRADI KATALINJUHASZ BALINTSEBOK FERENCGALAMBOS JANOSVAGO ISTVAN
    • CZIBULA LASZLOAGAINE CSONGOR EVANOGRADI KATALINJUHASZ BALINTSEBOK FERENCGALAMBOS JANOSVAGO ISTVAN
    • C07D295/135
    • C07D295/135
    • The invention relates to novel trans N-{4-{2-[4-(2,3-dichlorophenyl)-piperazine-l-il]-ethyl}- cyclohexylamine dihydrochloride monohydrate and a process for the preparation of the trans N- {4- {2-[4-(2,3-dichlorophenyl)-piperazine-l -il]-ethyl}-cyclohexylamine dihydrochloride monohydrate, said process comprising the steps a) reacting trans 2-{l-[4-(N-tert-butoxycarbonyl)amino]- cyclohexyl} -acetic acid ester with sodium borohydride and aluminium trichloride to give trans 2-{l-[4-(N-tert-butoxycarbonyl)-amino]-cyclohexyl}-ethanol; b) reacting trans 2-{l-[4-(N-tert-butoxycarbonyl)-amino]cyclohexyl}-ethanol obtained with methanesulfonic acid chloride in the presence of an acid binding agent to give trans 2-{l-[4- (N-tert-butoxycarbonyl)-amino] -cyclohexyl} -ethyl methanesulfonate; c) reacting trans 2-{l-[4-(N-tert-butoxycarbonyl)-amino]-cyclohexyl}-ethyl methanesulfonate obtained with 2,3-dichlorophenyl-piperazine in the presence of an acid binding agent to give trans 2-{l-[4-(N-tert-butoxycarbonyl)-amino]-cyclohexyl}-carbamic acid tert-butylester; d) heating trans 2-{l-[4-(N-tert-butoxycarbonyl)-amino]-cyclohexyl}-carbamic acid tert- butylester obtained to a temperature between 40-100°C in a mixture of aqueous hydrochloric acid/methanol to give trans N-{4-{2-[4-(2,3-dichlorophenyl)piperazine-l-il]-ethyl}- cyclohexylamine dihydrochloride monohydrate.
    • 本发明涉及新的反式N- {4- {2- [4-(2,3-二氯苯基) - 哌嗪-1-基] - 乙基} - 环己胺二盐酸盐一水合物,以及制备反式N- { 4- {2- [4-(2,3-二氯苯基) - 哌嗪-1-基] - 乙基} - 环己胺二盐酸盐一水合物,所述方法包括步骤a)使反式-2- {1- [4-(N- 叔丁氧基羰基)氨基] - 环己基} - 乙酸酯与硼氢化钠和三氯化铝反应,得到反式2- {1- [4-(N-叔丁氧基羰基) - 氨基] - 环己基} - 乙醇; b)将获得的反式2- {1- [4-(N-叔丁氧基羰基) - 氨基]环己基} - 乙醇与甲磺酰氯在酸结合剂存在下反应,得到反式-2- {1- [4- (N-叔丁氧基羰基) - 氨基] - 环己基} - 乙基甲磺酸酯; c)在酸结合剂存在下,使得到的与2,3-二氯苯基哌嗪的反式2- {1- [4-(N-叔丁氧基羰基) - 氨基] - 环己基} - 乙基甲基磺酸酯反应,得到反式-2- {1- [4-(N-叔丁氧基羰基) - 氨基] - 环己基} - 氨基甲酸叔丁酯; d)将得到的反式2- {1- [4-(N-叔丁氧基羰基) - 氨基] - 环己基} - 氨基甲酸叔丁酯加热至40-100℃的温度,在盐酸/甲醇水溶液 得到反式N- {4- {2- [4-(2,3-二氯苯基)哌嗪-1-基] - 乙基} - 环己胺二盐酸盐一水合物。