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【结 构 式】

【分子编号】39814

【品名】1-benzylpiperazin-4-ium 1-benzofuran-2-carboxylate

【CA登记号】

【 分 子 式 】C20H22N2O3

【 分 子 量 】338.40636

【元素组成】C 70.99% H 6.55% N 8.28% O 14.18%

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)

Coumarilic acid is reacted with N-benzylpiperazine (II) by two different ways: a) The acid chloride (I) is treated with (II) in the presence of a further base to give (III) or without a base in boiling dimethylformamide. b) The coumarilic acid salt of N-benzylpiperazine (IV) is converted to (III) by heating up to 170-250 C.

1 Boksay, I.J.E.; et al.; Synthesis and pharmacological activity of befuralline, a new antidepressnt compound. Arzneim-Forsch Drug Res 1978, 28, 19, Suppl. 2.
2 Soeder, A.; et al. (Aventis Pharma AG); Cyclic diamine derivatives. DE 2157424; DE 2240665; ES 408565; FR 2160611; GB 1407854; US 4374990 .
3 Unterhalt, B.; Befuraline Hydrochloride. Drugs Fut 1978, 3, 6, 426.
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) 39812 1-benzofuran-2-carbonyl chloride 41717-28-6 C9H5ClO2 详情 详情
(II) 28542 N-Benzylpiperazine; 1-Benzylpiperazine 2759-28-6 C11H16N2 详情 详情
(III) 39813 1-benzofuran-2-yl(4-benzyl-1-piperazinyl)methanone C20H20N2O2 详情 详情
(IV) 39814 1-benzylpiperazin-4-ium 1-benzofuran-2-carboxylate C20H22N2O3 详情 详情
Extended Information