首页> 外国专利> NOVEL CRYSTALLINE POLYMORPH OF SODIUM (4R,12AS)-9-{(2,4- DIFLUOROPHENYL)METHYL CARBAMOYL}-4-METHYL-6,8-DIOXO-3,4,6,8,12,12A-HEXAHYDRO-2H-PYRIDO1',2':4,5 PYRAZINO2,1-B1,3OXAZIN-7-OLATE AND PROCESS FOR PREPARATION THEREOF

NOVEL CRYSTALLINE POLYMORPH OF SODIUM (4R,12AS)-9-{(2,4- DIFLUOROPHENYL)METHYL CARBAMOYL}-4-METHYL-6,8-DIOXO-3,4,6,8,12,12A-HEXAHYDRO-2H-PYRIDO1',2':4,5 PYRAZINO2,1-B1,3OXAZIN-7-OLATE AND PROCESS FOR PREPARATION THEREOF

机译:(4R,12AS)-9-{[((2,4-二氟联苯甲基)甲基]氨基甲酸酯)钠} -4-甲基-6,8-二恶基-3,4,6,8,12,12,12A-己基-2H-PYRIDO [1',2':4,5]吡嗪并[2,1-B] [1,3]恶嗪-7-酸盐及其制备方法

摘要

The present invention relates to novel crystalline polymorph of sodium (4R,12aS)-9-{[(2,4-difluorophenyl)methyl]carbamoyl}-4- methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1,2:4,5]pyrazino[2,1-b][1,3]oxazin-7-olate represented by the following structural formula-1a and process for preparation thereof. Formula-1a
机译:本发明涉及钠(4R,12aS)-9-{[((2,4-二氟苯基)甲基]氨基甲酰基} -4-甲基-6,8-二氧代-3,4,6,8的新型晶体多晶型物,由以下结构式-1a表示的12,12a-六氢-2H-吡啶并[1,2:4,5]吡嗪并[2,1-b] [1,3]恶嗪-7-酸酯及其制备方法。一级方程式

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