• English
  • 简体中文
Login Register
Current Location: Home > Feedback Help Print

【结 构 式】

【分子编号】33041

【品名】4-dodecylbenzenesulfonyl chloride

【CA登记号】

【 分 子 式 】C18H29ClO2S

【 分 子 量 】344.94576

【元素组成】C 62.68% H 8.47% Cl 10.28% O 9.28% S 9.3%

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:(V)

Azetidineacetic acid derivative (I) was activated with 1,1'-carbonyldiimidazole and then condensed with p-nitrobenzyl malonate magnesium salt (II) to afford ketoester (III). Desilylation of (III) with methanolic HCl then gave alcohol (IV). Dodecylbenzenesulfonyl azide (VI) was prepared by treatment of sulfonyl chloride (V) with NaN3. Reaction of (IV) with sulfonyl azide (VI) provided diazo ester (VII). Ring closure of (VII) in the presence of rhodium diacetate in hot cyclohexane, followed by condensation with diphenylphosphoric chloride furnished carbapenem phosphate (VIII).

1 Lin, Y.-I.; Bitha, P.; Sakya, S.; Strohmeyer, T.W.; Bush, K. (American Cyanamid Co.); Novel 2-thiosubstd. carbapenems. CA 2118961; EP 0617036; JP 1994321948; US 5602118 .
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) 30029 (2R)-2-[(2S,3S)-3-((1R)-1-[[tert-butyl(dimethyl)silyl]oxy]ethyl)-4-oxoazetidinyl]propionic acid C14H27NO4Si 详情 详情
(II) 33039 magnesium 2-(4-nitrobenzyl)malonate C10H7MgNO6 详情 详情
(III) 33040 4-nitrobenzyl (4R)-4-[(2R,3S)-3-((1R)-1-[[tert-butyl(dimethyl)silyl]oxy]ethyl)-4-oxoazetidinyl]-3-oxopentanoate C23H34N2O7Si 详情 详情
(IV) 22573 4-nitrobenzyl 4-[(2R,3S)-3-[(1R)-1-hydroxyethyl]-4-oxoazetidinyl]-3-oxopentanoate C17H20N2O7 详情 详情
(V) 33041 4-dodecylbenzenesulfonyl chloride C18H29ClO2S 详情 详情
(VI) 33042 4-dodecylbenzenesulfonyl azide C18H29N3O2S 详情 详情
(VII) 30150 (3S,4R)-3-((1R)-1-Hydroxyethyl)-4[(1R)-1-methyl-3-diazo-3-(p-nitrobenzyloxycarbonyl)-2-oxopropyl]azetidin-2-one 137391-68-5 C17H18N4O7 详情 详情
(VIII) 13224 4-nitrobenzyl (4R,5R,6S)-3-[(diphenoxyphosphoryl)oxy]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate 90776-59-3 C29H27N2O10P 详情 详情
Extended Information