【结 构 式】 |
【分子编号】46034 【品名】3-amino-1H-pyrazole-4-carboxamide 【CA登记号】 |
【 分 子 式 】C4H6N4O 【 分 子 量 】126.118 【元素组成】C 38.09% H 4.8% N 44.42% O 12.69% |
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:(I)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 . |
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