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【结 构 式】

【分子编号】30376

【品名】methanesulfonic acid

【CA登记号】75-75-2

【 分 子 式 】CH4O3S

【 分 子 量 】96.10696

【元素组成】C 12.5% H 4.2% O 49.94% S 33.36%

与该中间体有关的原料药合成路线共 1 条

合成路线1

该中间体在本合成路线中的序号:(IV)

The condensation of 6-(2-chlorophenyl)-1,2-dihydro-8-nitro-1H,4H-imidazo[1,2-a][1,4]benzodiazepin-1-one (I) with 1-(dimethoxymethyl)-4-methylpiperazine (II) gives the free base of loprazolam (III), which is then treated with methanesulfonic acid.

1 Prost-Marechal, J. (Aventis Pharma SA); Imidazobenzodiazepines. DE 3211243; GB 2095674; JP 57169483 .
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(I) 30373 6-(2-chlorophenyl)-8-nitro-2,4-dihydro-1H-imidazo[1,2-a][1,4]benzodiazepin-1-one C17H11ClN4O3 详情 详情
(II) 30374 methoxy(4-methyl-1-piperazinyl)methyl methyl ether; 1-(dimethoxymethyl)-4-methylpiperazine C8H18N2O2 详情 详情
(III) 30375 6-(2-chlorophenyl)-2-[(Z)-(4-methyl-1-piperazinyl)methylidene]-8-nitro-1H-imidazo[1,2-a][1,4]benzodiazepin-1(4H)-one C23H21ClN6O3 详情 详情
(IV) 30376 methanesulfonic acid 75-75-2 CH4O3S 详情 详情
Extended Information