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【结 构 式】

【分子编号】46035

【品名】3-amino-1-(2-chlorobenzyl)-1H-pyrazole-4-carboxamide

【CA登记号】

【 分 子 式 】C11H11ClN4O

【 分 子 量 】250.6874

【元素组成】C 52.7% H 4.42% Cl 14.14% N 22.35% O 6.38%

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:(III)

Benzyl pyrazole derivative (III) was prepared by alkylation of 3-aminopyrazole-4-carboxamide (I) with 2-chlorobenzyl chloride (II) under phase-transfer conditions. Diazotization of (III) with NaNO2/HCl then gave the title pyrazolotriazinone.

1 Lankau, H.-J.; Arnold, T.; Rostock, A.; Unverferth, K.; Kronbach, T.; Bartsch, R. (Arzneimittelwerk Dresden GmbH); Pyrazolo[3,4-d][1,2,3]triazines with anticonvulsive action and methods for producing the same. DE 19924872; WO 0073309 .
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) 46034 3-amino-1H-pyrazole-4-carboxamide C4H6N4O 详情 详情
(II) 10205 1-Chloro-2-(chloromethyl)benzene; 2-Chlorobenzyl chloride 611-19-8 C7H6Cl2 详情 详情
(III) 46035 3-amino-1-(2-chlorobenzyl)-1H-pyrazole-4-carboxamide C11H11ClN4O 详情 详情
Extended Information