【结 构 式】 |
【分子编号】38407 【品名】ethyl 4-[(2-cyanoacetyl)amino]benzoate 【CA登记号】 |
【 分 子 式 】C12H12N2O3 【 分 子 量 】232.23896 【元素组成】C 62.06% H 5.21% N 12.06% O 20.67% |
与该中间体有关的原料药合成路线共 2 条
合成路线1
该中间体在本合成路线中的序号:(II)By cyclization of 2-hydroxybenzaldehyde (I) with 4-(cyanacetamido)benzoic acid ethyl ester (II) catalyzed by piperidine in ethanol.
【1】 Vasylyev, M.V.; Bilokin, Y.V.; Bylov, I.E.; Synthesis and antiinflammatory activity of N-substituted 2-oxo-2H-1-benzopyran-3-carboxamides and their 2-iminoanalagues. Eur J Med Chem 1999, 34, 11, 997. |
合成路线2
该中间体在本合成路线中的序号:(II)The cyclization of 2-hydroxybenzaldehyde (I) with 4-(cyanacetamido)benzoic acid ethyl ester (II) catalyzed by piperidine in ethanol gives the 2-imino-1-benzopyran (III), which is then hydrolyzed to the target benzopyranone with HCl in refluxing ethanol/water.
【1】 Vasylyev, M.V.; Bilokin, Y.V.; Bylov, I.E.; Synthesis and antiinflammatory activity of N-substituted 2-oxo-2H-1-benzopyran-3-carboxamides and their 2-iminoanalagues. Eur J Med Chem 1999, 34, 11, 997. |
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