6-Amino-5-(2-ethyl-6-methylbenzyloxy)nicotinamide 、 3-溴-2-丁酮 、 碳酸氢钠 在
silica gel 、 乙腈 作用下,
以
乙腈 为溶剂,
反应 20.0h,
以gave 0.058 g (35%) of the title compound的产率得到2,3-Dimethyl-8-(2-ethyl-6-methylbenzyloxy)-imidazo[1,2-a]pyridine-6-carboxamide
参考文献:
名称:
Imidazo pyridine derivatives which inhibit gastric acid secretion
[EN] IMIDAZO PYRIDINE DERIVATIVES WHICH INHIBIT GASTRIC ACID SECRETION<br/>[FR] DERIVES D'IMIDAZO PYRIDINE QUI INHIBENT LA SECRETION D'ACIDE GASTRIQUE
申请人:ASTRA AB
公开号:WO1999055706A1
公开(公告)日:1999-11-04
The present invention relates to imidazo pyridine derivatives of formula (I), in which the phenyl moiety is substituted, and in which the imidazo pyridine moiety is substituted with a carboxyamide group in 6-position, which inhibit exogenously or endogenously stimulated gastric acid secretion and thus can be used in the prevention and treatment of gastrointestinal inflammatory diseases.
The present invention is directed to a multiparticulate, modified release solid dispersion formulation, comprising a drug substance having a pH-dependent solubility, said drug substance being a compound of the formula I, or a pharmaceutically acceptable salt thereof; a hydrophobic matrix former which is a water-insoluble, non-swelling amphiphilic lipid; and a hydrophilic matrix former which is a meltable, water-soluble excipient; wherein the weight ratio hydrophobic matrix former/hydrophilic matrix former is ≧1; and the particle size is less than 300 &mgr;m. Also a unit dosage of the same, as well as a process for the preparation thereof and the use of the formulation and unit dosage is claimed.
本发明涉及一种多颗粒、改进释放型固体分散制剂,包括一种溶解度取决于 pH 值的药物,所述药物为式 I 的化合物或其药学上可接受的盐; 疏水基质前体,它是一种不溶于水、无溶胀性的两性脂质;以及亲水基质前体,它是一种可熔化的水溶性赋形剂;其中疏水基质前体/亲水基质前体的重量比为≧1;,粒度小于300&mgr;m。 此外,还要求得到一种相同的单位剂量及其制备工艺,以及该制剂和单位剂量的使用方法。
IMIDAZO PYRIDINE DERIVATIVES WHICH INHIBIT GASTRIC ACID SECRETION
申请人:AstraZeneca AB
公开号:EP1073657A1
公开(公告)日:2001-02-07
NOVEL MODIFIED RELEASE FORMULATION
申请人:AstraZeneca AB
公开号:EP1361868A1
公开(公告)日:2003-11-19
PHARMACEUTICAL COMBINATIONS OF A PROTON PUMP INHIBITOR AND A COMPOUND WHICH MODIFIES GASTROINTESTINAL MOTILITY