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    • 2. 发明公开
    • Process for obtaining Cetirizine dihydrochloride
    • Verfahren zur Gewinnung von Cetirizin-二盐酸盐
    • EP2019096A1
    • 2009-01-28
    • EP07113218.7
    • 2007-07-26
    • Cosma S.p.A.
    • Lussana, MassimilianoVigano', EnricoPizzatti, Enrica
    • C07D295/088
    • C07D295/088
    • Process for the synthesis of cetirizine dihydrochloride, wherein
      (a) a solution of {2-[4-(α-phenyl-p-chlorobenzyl)piperazin-1-yl]}ethanol in 1-7 volumes, referred to the weight of {2-[4-(α-phenyl-p-chlorobenzyl)piperazin-1-yl]}ethanol, of an organic solvent having a boiling point higher than 90°C and being chosen from the group consisting of aliphatic, cycloalifatic or aromatic solvents is provided, whereafter
      (b) per equivalent of {2-[4-(α-phenyl-p-chlorobenzyl)piperazin-1-yl]}ethanol employed, 1-2 equivalents of a metal haloacetate or of haloacetic acid, as well as 3-7 equivalents of an alkaly metal hydroxyde are added to the solution as per (a), providing a reaction mixture, where 0,05-0,3 volumes, referred to the weight of {2-[4-(α-phenyl-p-chlorobenzyl)piperazin-1-yl]}ethanol employed, of water and 0,1-1,2 volumes, referred to the weight of {2-(4-(α-phenyl-p-chlorobenzyl)piperazin-1-yl]}ethanol employed, of a polar aprotic, water miscible solvent are added, keeping the internal temperature of the reaction mixture below 60°C, whereafter
      (c) the cetirizine base formed within the reaction mixture is converted into its dihydrochloride salt and isolated as such.
    • 合成西替利嗪二盐酸盐的方法,其中(a){1-7]体积的{2- [4-(± - 苯基 - 对氯苄基)哌嗪-1-基]}乙醇的溶液称为{ 2- [4-(± - 苯基 - 对氯苄基)哌嗪-1-基]}乙醇,沸点高于90℃的有机溶剂,选自脂肪族,环状芳族或芳族溶剂 ,然后(b)每当量使用的{2- [4-(± - 苯基 - 对氯苄基)哌嗪-1-基]}乙醇,1-2当量的卤代乙酸金属盐或卤代乙酸,以及 根据(a)将3-7当量的烷基金属氢氧化物加入到溶液中,提供反应混合物,其中0.05-0.3体积称为{2- [4-(± - 苯基 - 对氯苄基)哌嗪-1-基]}乙醇,水和0.1-1,2体积,称为{2-(4-(± - 苯基 - 对氯苄基)哌嗪-1-基) 吡啶-1-基]}乙醇,加入极性非质子,水混溶性溶剂 反应混合物的温度低于60℃,之后(c)将反应混合物内形成的西替利嗪碱转化成其二盐酸盐并将其分离。
    • 6. 发明公开
    • Process for preparing levomilnacipran HCL
    • Verfahren zur Herstellung von Levomilnacipran HCL
    • EP2805936A1
    • 2014-11-26
    • EP13168413.6
    • 2013-05-20
    • Cosma S.p.A.
    • Celestini, PaoloBaretti, SergioPizzatti, Enrica
    • C07C231/12C07C235/40C07C237/24
    • C07C231/12C07C2601/02C07C237/24C07C235/40
    • The invention relates to one-pot process for preparing (1S,2R)-1-phenyl-1-(N,N-diethylaminocarbonyl)-2-aminomethylcyclopropane of formula (I) comprising the step of reacting (1S,2R)-N,N-diethyl-2-(hydroxymethyl)-1-phenylcyclopropanecarboxamide successively with the following reactants 1) triethyl orthoformate and methanesulfonic acid or triethylamine and methanesulfonyl chloride, 2) a phthalimidating agent, 3) aqueous EtNH 2 , wherein the reaction is carried out in toluene. In another aspect the invention concerns a process for preparing (1S,2R)-N,N-diethyl-2-(hydroxymethyl)-1-phenylcyclopropanecarboxamide trough a step of crystallization of (1S,5R)-1-phenyl-3-oxabicyclo[3.1.0]hexan-2-one.
    • 本发明涉及一种制备式(I)的(1S,2R)-1-苯基-1-(N,N-二乙基氨基羰基)-2-氨基甲基环丙烷的一锅法,包括使(1S,2R)-N ,N-二乙基-2-(羟甲基)-1-苯基环丙烷甲酰胺依次用以下反应物1)原甲酸三乙酯和甲磺酸或三乙胺和甲磺酰氯,2)苯二酰亚胺化试剂,3)EtNH 2水溶液,其中反应进行 在甲苯中。 在另一方面,本发明涉及通过(1S,5R)-1-苯基-3-氧杂双环(Ⅲ)的结晶步骤制备(1S,2R)-N,N-二乙基-2-(羟甲基)-1-苯基环丙烷甲酰胺的方法 [3.1.0]己烷-2-酮。
    • 10. 发明公开
    • Method for enamelling cast parts of standard hypoeutectic gray iron
    • Verfahren zur Emaillierung von Teilen aus hypoeutektischemStandardgrauguß
    • EP1767668A1
    • 2007-03-28
    • EP05108791.4
    • 2005-09-23
    • Cosma S.p.A.
    • Dal Mas, Candido
    • C23D5/04
    • C23D5/04
    • The present invention refers to a method for enamelling cast parts made of standard hypoeutectic gray iron, comprising following steps:
      - preparing a cast part of standard hypoeutectic gray iron;
      - pre-treating said cast part in order to promote mechanical bond and adherence of the enamel substances to the surface of the part to be enamelled;
      - applying porcelain-enamel powders onto the thus pre-treated part by dry electrostatic spray technique;
      - vitrifying the enamel powders by exposing the part to a heating and cooling sequence occurring according to such a heating and cooling pattern versus time as to cause the part to dwell at a temperature between 700°C and 780°C for 480 seconds ± 5%.
    • 本发明涉及一种由标准亚共晶灰铸铁制成的铸件的搪瓷方法,包括以下步骤: - 制备标准亚共晶灰铁铸件; - 预处理所述铸造部件,以促进搪瓷物质的机械粘合和粘附到待搪瓷部件的表面; - 通过干静电喷涂技术将瓷釉粉末涂在预处理部分上; 通过将部件暴露于根据这样的加热和冷却模式发生的加热和冷却模式与时间的关系,使部件在700℃和780℃之间的温度下停留480秒±5% 。