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【结 构 式】

【分子编号】62974

【品名】5-isopropyl-2-pyridinethiol; 5-isopropyl-2-pyridinylhydrosulfide

【CA登记号】

【 分 子 式 】C8H11NS

【 分 子 量 】153.24808

【元素组成】C 62.7% H 7.23% N 9.14% S 20.92%

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:(VIII)

Reaction of 2-chloro-5-ispropylpyridine (VII) with thiourea (A) in aqueous HCl gives 5-isopropyl- pyridine-2-thiol (VIII), which is chlorinated with chlorine in acetic acid to yield 5-isopropylpyridine-2-sulfochloride (IX). This compound is converted into 5-isopropylpyridine-2-sulfonamide potassium salt (X).

1 Breu, V.; Burri, K.; Cassal, J.-M.; Clozel, M.; Hirth, G.; Loffler, B.-M.; Muller, M.; Neidhart, W.; Ramuz, H. (F. Hoffmann-La Roche AG); Novel sulfonamides. EP 0799209; JP 1998509182; WO 9619459 .
2 Spurr, P. (F. Hoffmann-La Roche AG); Process for the preparation of 2,5-disubstd. pyridines. EP 0897914 .
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(A) 10180 Thiourea 62-56-6 CH4N2S 详情 详情
(VII) 62973 2-chloro-5-isopropylpyridine C8H10ClN 详情 详情
(VIII) 62974 5-isopropyl-2-pyridinethiol; 5-isopropyl-2-pyridinylhydrosulfide C8H11NS 详情 详情
(IX) 62975 5-isopropyl-2-pyridinesulfonyl chloride C8H10ClNO2S 详情 详情
(X) 50142   C8H11KN2O2S 详情 详情
Extended Information