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【结 构 式】

【分子编号】16741

【品名】(2S)-2-[(3,4-difluorophenoxy)methyl]oxirane; 3,4-difluorophenyl (2S)oxiranylmethyl ether

【CA登记号】

【 分 子 式 】C9H8F2O2

【 分 子 量 】186.1581264

【元素组成】C 58.07% H 4.33% F 20.41% O 17.19%

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)

The reaction of 3,4-difluorophenol (I) with (S)-oxiranylmethyl p-toluenesulfonate ester (II) by means of NaH in DMF gives (S)-(3,4-difluorophenoxymethyl)oxirane (III), which is then condensed with N-(2-benzothiazolyl)-N-methyl-N-(4-piperidyl)amine (IV) by means of Na2CO3 in refluxing isopropanol or butanol/water.

1 Graul, A.; Castañer, J.; Lubeluzole. Drugs Fut 1997, 22, 6, 629.
2 Stokbroekx, R.A.; Grauwels, G.A.J. (Janssen Pharmaceutica NV); 4-[(2-Benzothiazolyl)methylamino]-alpha-[(3,4-difluorophenoxy)methyl]-1-piperidineethanol. EP 0501552; EP 0573473; JP 1994505012; US 5434168; WO 9214731 .
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) 16739 3,4-difluorophenol 2713-33-9 C6H4F2O 详情 详情
(II) 16740 (2S)-(+)-Glycidyl tosylate; (2S)oxiranylmethyl 4-methylbenzenesulfonate 70987-78-9 C10H12O4S 详情 详情
(III) 16741 (2S)-2-[(3,4-difluorophenoxy)methyl]oxirane; 3,4-difluorophenyl (2S)oxiranylmethyl ether C9H8F2O2 详情 详情
(IV) 16742 N-(1,3-benzothiazol-2-yl)-N-methyl-N-(4-piperidinyl)amine; N-methyl-N-(4-piperidinyl)-1,3-benzothiazol-2-amine C13H17N3S 详情 详情
Extended Information