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【结 构 式】

【分子编号】67571

【品名】(1'S,3'R)-5,7'-dichloro-6'-fluoro-3'-methyl-2',3',4',9'-tetrahydrospiro[indoline-3,1'-pyrido[3,4-b]indol]-2-one (7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonate

【CA登记号】 

【 分 子 式 】C19H14Cl2FN3O.C10H16O4S

【 分 子 量 】622.544

【元素组成】C 55.95% H 4.86% Cl 11.39% F 3.05% N 6.75% O 12.85% S 5.15%

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:(XXVII)

Aldol condensation of 6-chloro-5-fluoroisatin (XIX) with acetone (XX) by means of Et2NH and K2CO3 gives the hydroxyl-ketone (XXI),which is protected with ethylene glycol (XXII) in the presence of HC(OEt)3 and p-TsOH in CH2Cl2 to yield the corresponding ketal (XXIII). Reduction of compound (XXIII) with Red-Al in THF, followed by treatment with aqueous HCl leads to 1-(6-chloro-5-fluoroindol-3-yl)acetone (XXIV). Alternatively, reduction of nitropropenyl intermediate (XVI) with H2 over Raney-Ni in MeOH/H2O or sequential reduction to oxime with H2 over Pt/C in EtOAc and then hydrolysis using NaHSO3 in EtOH furnishes ketone (XXIV). Enzymatic transamination of intermediate (XXIV) with isopropylamine hydrochloride (XXV) in the presence of transaminase SEQ ID 134 and pyridoxal-5’-phosphate (PLP) in H2O/PEG200 produces the corresponding (S)-amine, which is isolated as the camphorsulfonate salt (XXVI) by treatment with CSA in i-PrOAc. Condensation of tryptamine derivative (XXVI) with 5-chloroisatin (XII) in the presence of Et3N in refluxing i-PrOH and subsequent Pictet-Spengler cyclization in the presence of CSA provides cipargamin camphorsulfonate (XXVII), which is finally treated with Na2CO3 in EtOH/H2O .

1 Crowe, M., Foulkes, M., Francese, G., et al. (Novartis AG). Chemical process for preparing spiroindolones and intermediates thereof. KR 2014137374; CN 104185634; US 2015045562; EP 2828256; WO 2013139987.
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(XXII) 11295 Polyethylene glycol;1,2-Ethanediol;Monoethylene glycol; Ethylene glycol 107-21-1 C2H6O2 详情 详情
(XII) 14099 5-Chloro-1H-indole-2,3-dione; 5-Chloroisatin 17630-76-1 C8H4ClNO2 详情 详情
(XVI) 67562 (Z)-6-chloro-5-fluoro-3-(2-nitroprop-1-en-1-yl)-1H-indole   C11H8ClFN2O2 详情 详情
(XIX) 67565 6-chloro-5-fluoroisatin;6-Chloro-5-fluoro-1H-indole-2,3-dione;1H-Indole-2,3-dione,6-chloro-5-fluoro- 96202-57-2 C8H3ClFNO2 详情 详情
(XX) 23199 2-Propanone; Acetone; beta-ketopropane; chevron acetone;propan-2-one; Dimethyl formaldehyde; Dimethyl ketone; dimethylketal; Ketone propane; Methyl ketone; Propanone; Pyroacetic acid; Pyroacetic ether 67-64-1 C3H6O 详情 详情
(XXI) 67566 1-(6-chloro-5-fluoro-3-hydroxyindolin-3-yl)propan-2-one   C11H11ClFNO2 详情 详情
(XXIII) 67567 6-chloro-5-fluoro-3-((2-methyl-1,3-dioxolan-2-yl)methyl)indolin-3-ol   C13H15ClFNO3 详情 详情
(XXIV) 67568 1-(6-chloro-5-fluoro-1H-indol-3-yl)propan-2-one   C11H9ClFNO 详情 详情
(XXV) 67569 propan-2-amine hydrochloride   C3H9N.HCl 详情 详情
(XXVI) 67570 (R)-1-(6-chloro-5-fluoro-1H-indol-3-yl)propan-2-amine (7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonate   C11H12ClFN2.C10H16O4S 详情 详情
(XXVII) 67571 (1'S,3'R)-5,7'-dichloro-6'-fluoro-3'-methyl-2',3',4',9'-tetrahydrospiro[indoline-3,1'-pyrido[3,4-b]indol]-2-one (7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonate   C19H14Cl2FN3O.C10H16O4S 详情 详情
Extended Information