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【结 构 式】

【分子编号】27388

【品名】4-Amino-5-chloro-2-methoxybenzoic acid ethoxycarbonyl anhydride

【CA登记号】

【 分 子 式 】C11H12ClNO5

【 分 子 量 】273.67272

【元素组成】C 48.28% H 4.42% Cl 12.95% N 5.12% O 29.23%

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:(IX)

Dazopride can be prepared by the condensation of the 1,2-diethyl-4-aminopyrazolidine (VIII) with either 4-amino-5-chloro-2-methoxybenzoic acid in the presence of phosphorus trichloride-pyridine or the corresponding mixed anhydride (IX).

1 Munson, H.R. Jr.; Cale, A.D. Jr, Lo, Y.S.; Lunsford, C.D.; Synthetic and pharmacological properties of N-(1,2-dialkyl-4-pyrazolidinyl)benzamides - Selective gastric prokinetic agents. 187th ACS Natl Meet (April 8-13, St. Louis) 1984, 7, 9, 650.
2 Cale, A.D.Jr.; Lunsfod, C.D. (A.H. Robins Co. Inc.); N-(4-Pyrazolidinyl)benzamides and their amino precursors. US 4207327 .
3 Cale, A. Jr.; Dazopride succinate. Drugs Fut 1985, 10, 7, 553.
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(E) 11229 1-[(Chlorocarbonyl)oxy]ethane;ethyl carbonochloridate; Carbonchloridic acid ethyl ester;Ethyl chloroformate;Ethyl chlorocarbonate 541-41-3 C3H5ClO2 详情 详情
(D) 12419 4-Amino-5-chloro-2-methoxybenzoic acid 7206-70-4 C8H8ClNO3 详情 详情
(VIII) 27385 1,2-diethyl-4-pyrazolidinamine 70180-92-6 C7H17N3 详情 详情
(IX) 27388 4-Amino-5-chloro-2-methoxybenzoic acid ethoxycarbonyl anhydride C11H12ClNO5 详情 详情
Extended Information