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    • 1. 发明授权
    • Process for the preparation of isonicotinic acid derivatives
    • 制备异烟酸衍生物的方法
    • US07459563B2
    • 2008-12-02
    • US11259880
    • 2005-10-27
    • Paul Spurr
    • Paul Spurr
    • C07D213/46
    • C07D213/79
    • The present invention relates to a process for the manufacture of compounds of formula Ia or Ib and pharmaceutically acceptable additional salts thereof, wherein R is lower alkyl. The compounds of formula Ia or Ib are valuable intermediate products for the manufacture of compounds that are pharmaceutically active as adenosine A2a receptor antagonist or metabotropic Glutamate receptor 2 antagonist. Such compounds are important in the regulation of many aspects of cellular metabolism and in the modulation of different central nervous system activities.
    • 本发明涉及制备式Ia或Ib化合物及其药学上可接受的另外的盐的方法,其中R是低级烷基。 式Ia或Ib的化合物是制备作为腺苷A2a受体拮抗剂或代谢型谷氨酸受体2拮抗剂具有药学活性的化合物的有价值的中间产物。 这些化合物在调节细胞代谢的许多方面以及调节不同的中枢神经系统活性中是重要的。
    • 3. 发明授权
    • Process for the preparation of a benzo(a)quinolizione derivative
    • 制备苯并(a)喹嗪酮衍生物的方法
    • US5578728A
    • 1996-11-26
    • US327159
    • 1994-10-21
    • Paul Spurr
    • Paul Spurr
    • A61K31/435A61P25/20C07D455/06
    • C07D455/06
    • The invention is concerned with a process for the preparation of a benzo[a]quinolizinone derivative of the formula ##STR1## by reacting a compound of the formula ##STR2## wherein X is halogen and Ph is phenyl, with carbon monoxide in the presence of a carbonylation catalyst and in the presence of (S)-3-ethoxypyrrolidine or a lower alkanol or water; where a lower alkyl ester of the 10-chloro-6,7-dihydro-4-oxo-3 -phenyl-4H-benzo[a]quinolizine-1-carboxylic acid has been obtained, converting this into the corresponding free acid; and, where the 10-chloro-6,7-dihydro-4-oxo-3-phenyl-4H-benzo[a]quinolizine-1-carboxylic acid has been obtained, reacting a reactive derivative thereof with (S)-3-ethoxypyrrolidine. The compound of formula I is useful for the treatment or prophylaxis of sleep disorders.
    • 本发明涉及制备式I的苯并[a]喹嗪酮衍生物的方法,其中式Ⅰ的化合物其中X为卤素且Ph为苯基的式Ⅰbb与一氧化碳在 在(S)-3-乙氧基吡咯烷或低级链烷醇或水的存在下,存在羰基化催化剂; 其中得到10-氯-6,7-二氢-4-氧代-3-苯基-4H-苯并[a]喹嗪-1-羧酸的低级烷基酯,将其转化为相应的游离酸; 并且其中已经获得了10-氯-6,7-二氢-4-氧代-3-苯基-4H-苯并[a]喹嗪-1-羧酸,使其反应性衍生物与(S)-3- 乙氧基吡咯烷。 式I化合物可用于治疗或预防睡眠障碍。
    • 5. 发明授权
    • Cyclization process for substituted benzothiazole derivatives
    • 取代苯并噻唑衍生物的环化方法
    • US07087761B2
    • 2006-08-08
    • US10743613
    • 2003-12-22
    • Paul Spurr
    • Paul Spurr
    • C07D277/82
    • C07D277/82
    • The present invention relates to a process for preparation of amino substituted benzothiazole derivatives of formula I wherein R1, R2 and R3 are independently from each other hydrogen, lower alkyl, lower alkoxy or halogen; R4 is hydrogen, lower alkyl, lower alkyloxy, halogen, or is a five or six membered non aromatic heterocyclyl group, unsubstituted or substituted by lower alkyl or an oxo-group, or is —NR5R6, wherein R5 and R5 are independently from each other hydrogen, lower alkyl, —C(O)-lower alkyl, —(CH2)nO-lower alkyl or benzyl, opionally substituted by lower alkyl, or is an five or six membered heteroaryl group; R1 and R2 or R2 and R3 may form together with the corresponding carbon atoms a ring containing —O—CH2—O— or —CH═CH—CH═CH—; R is hydrogen or —C(O)R′; R′ is a five or six membered non aromatic heterocyclyl group, five or six membered heteroaryl group or is aryl, which rings may be substituted by the groups, selected from lower alkyl, halogen-lower alkyl, lower alkoxy, cyano, nitro, —C(O)H, —C(O)OH or by pyrrolidin-1-yl-methyl; n is 1 to 4; or a pharmaceutically acceptable salt thereof, wherein the cyclization is carried out by the treatment of a compound of formula with sulphoxide/HBr/solvent to give the desired products of formula I for R is hydrogen (formula IA) or for R is —C(O)R′ (formula IB)
    • 本发明涉及制备式I的氨基取代的苯并噻唑衍生物的方法,其中R 1,R 2和R 3独立地为 彼此氢,低级烷基,低级烷氧基或卤素; R 4是氢,低级烷基,低级烷氧基,卤素,或是未被取代或被低级烷基或氧代基取代的五或六元非芳族杂环基,或者是-NR
    • 9. 发明授权
    • Process for the preparation of an intermediate of a
benzo[a]quinolizinone derivative
    • 制备苯并[a]喹嗪酮衍生物的中间体的方法
    • US5561233A
    • 1996-10-01
    • US452793
    • 1995-05-30
    • Paul Spurr
    • Paul Spurr
    • A61K31/435A61P25/20C07D455/06
    • C07D455/06
    • The invention is concerned with a process for the preparation of a benzo[a]quinolizinone derivative of the formula ##STR1## by reacting a compound of the formula ##STR2## wherein X is halogen and Ph is phenyl, with carbon monoxide in the presence of a carbonylation catalyst and in the presence of (S)-3-ethoxypyrrolidine or a lower alkanol or water; where a lower alkyl ester of the 10-chloro-6,7-dihydro-4 -oxo-3-phenyl-4H-benzo[a]quinolizine-1-carboxylic acid has been obtained, converting this into the corresponding free acid; and, where the 10-chloro-6,7-dihydro-4-oxo-3-phenyl-4H-benzo[a]quinolizine-1-carboxylic acid has been obtained, reacting a reactive derivative thereof with (S)-3-ethoxypyrrolidine. The compound of formula I is useful for the treatment or prophylaxis of sleep disorders.
    • 本发明涉及制备式I的苯并[a]喹嗪酮衍生物的方法,其中式Ⅰ的化合物其中X为卤素且Ph为苯基的式Ⅰbb与一氧化碳在 在(S)-3-乙氧基吡咯烷或低级链烷醇或水的存在下,存在羰基化催化剂; 其中得到10-氯-6,7-二氢-4-氧-3-苯基-4H-苯并[a]喹嗪-1-羧酸的低级烷基酯,将其转化为相应的游离酸; 并且其中已经获得了10-氯-6,7-二氢-4-氧代-3-苯基-4H-苯并[a]喹嗪-1-羧酸,使其反应性衍生物与(S)-3- 乙氧基吡咯烷。 式I化合物可用于治疗或预防睡眠障碍。