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    • 2. 发明申请
    • METHOD FOR PREPARING 5-`4-(2-HYDROXY-ETHYL)-3,5-DIOXO-4,5-DIHYDRO-3H-`1,2,4!-TRIAZIN-2-YL!BENZAMIDE DERIVATIVES WITH P2X7 INHIBITING ACTIVITY BY REACTION OF THE DERIVATIVE UNSUBSTITUTED IN 4-POSITION OF THE TRIAZINE WITH AN OXIRAN IN THE PRESENCE OF A LEWIS ACID
    • 用于制备具有P2X7抑制活性的5-“4-(2-羟基 - 乙基)-3,5-二氧代-4,5-二氢-3H-1,2,4' - 噻嗪-2-基]苯甲酰胺衍生物的方法 通过在一个LEWIS酸的存在下,在含有氧化铁的四苯并噻唑中不引起衍生物的反应
    • WO2006003513A1
    • 2006-01-12
    • PCT/IB2005/002102
    • 2005-06-17
    • PFIZER PRODUCTS INC.LEONARD, Jason, AlbertLI, Zheng, JaneLI, Zhengong, BryanURBAN, Frank, John
    • LEONARD, Jason, AlbertLI, Zheng, JaneLI, Zhengong, BryanURBAN, Frank, John
    • C07D253/06
    • C07D253/075C07D253/07
    • The present invention relates to methods of preparing compounds of formula (I), R 7 is -CH 2 -C(R 10 R 11 )-OH, wherein R 10 and R 11 are independently selected from the group consisting of: hydrogen, phenyl, and (C 1 -C 6 )alkyl optionally substituted with one to three halos, hydroxy, -CN, (C 1 -C 6 )alkoxy-,((C 1 -C 6 )alkyl) n -N-,(C 1 -C 6 )alkyl-(C=O)-,(C 3 -C 8 )cycloalkyl-(C=O)-, 5 or 6-membered heterocycloalkyl-(C=O)-,phenyl-(C=O)-,naphthyl-(C=O)-,5- or 6-membered heteroaryl-(C=O)-,(C 1 -C 6 )alkyl-(C=O)O-,(C 1 -C 6 )alkyl-O(C=O)-,(C 3 -C 8 )cycloalkyl, phenyl, naphthyl, 5 or 6-membered heterocycloalkyl, and 5- or 6-membered heteroaryl; or a pharmaceutically acceptable salt thereof, wherein R 1 , R 2 and R 4 have any of the values as defined in the specification. Wherein said method comprises reacting a compound of formula (II) with a compound of formula (VIII) in the presence of at least one Lewis acid. The compounds are useful as agents in the treatment of diseases, including inflammatory diseases such as rheumatoid arthritis. Also provided are compositions of crystalline 2-Chloro-N-(1-hydroxy-cycloheptylmethyl)-5-[4-(2R-hydroxy-3-methoxy-propyl)-3,5-dioxo-4,5-dihydro-3H-[1,2,4]triazin-2-yl]-benzamide comprising less than 2.5% residual organic solvent, and methods for preparing said compositions. Further provided are methods for crystallizing 2-Chloro-N-(1-hydroxy-cycloheptylmethyl)-5-[4-(2R-hydroxy-3-methoxy-propyl)-3,5-dioxo-4,5-dihydro-3H-[1,2,4]triazin-2-yl]-benzamide.
    • 本发明涉及制备式(I)化合物的方法,R 7为-CH 2 R 2(R 10) > 11)-OH,其中R 10和R 11独立地选自:氢,苯基和(C 1 H 4) 任选被一至三个卤素,羟基,-CN,(C 1 -C 6)烷基取代的C 1 -C 6烷基-C(= C 1 -C 6) 烷氧基 - ,((C 1 -C 6 )烷基)名词 -N - ,(C 1 - C 1 -C 6烷基 - (C = O) - ,(C 3 -C 8)环烷基 - (C = O) - ,5 (C = O) - ,(C = O) - ,(C = O) - ,5-或6-元杂芳基 - (C = O) - ,(C < > 1 -C 6 )烷基 - (C = O)O - , - (C 1 -C 6 )烷基 O(C = O) - ,(C 3 -C 8 -C 8)环烷基,苯基,萘基,5或6元杂环烷基和5-或6-元杂芳基 ; 或其药学上可接受的盐,其中R 1,R 2和R 4具有说明书中定义的任何值。 其中所述方法包括在至少一种路易斯酸存在下使式(II)化合物与式(Ⅷ)化合物反应。 这些化合物可用作治疗疾病的药剂,包括炎性疾病如类风湿性关节炎。 还提供了结晶的2-氯-N-(1-羟基 - 环庚基甲基)-5- [4-(2R-羟基-3-甲氧基 - 丙基)-3,5-二氧代-4,5-二氢-3H- - [1,2,4]三嗪-2-基] - 苯甲酰胺,以及制备所述组合物的方法。 还提供了将2-氯-N-(1-羟基 - 环庚基甲基)-5- [4-(2R-羟基-3-甲氧基 - 丙基)-3,5-二氧代-4,5-二氢-3H - [1,2,4]三嗪-2-基] - 苯甲酰胺。