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【结 构 式】

【分子编号】57557

【品名】Enanthic chloride; Enanthyl chloride; Heptanoic acid chloride; Heptanoyl chloride; Heptanoyl chloride; n-Heptanoyl chloride; Oenanthic chloride

【CA登记号】2528-61-2

【 分 子 式 】C7H13ClO

【 分 子 量 】148.63232

【元素组成】C 56.57% H 8.82% Cl 23.85% O 10.76%

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:(I)

Acylation of Evans oxazolidinone (II) with heptanoyl chloride (I) provides the chiral adduct (III). The lithium enolate of (III) is then diastereoselectively alkylated with tert-butyl bromoacetate (IV) to afford the succinate derivative (V). Removal of the chiral auxiliary group of (V) with lithium peroxide furnishes the carboxylic acid (VI), which is further activated as the succinimidyl ester (VII) upon treatment with N-hydroxysuccinimide and DCC. The activated ester (VII) is then condensed with L-valine (VIII), producing amide (IX). Subsequent coupling of (IX) with N-aminoproline methyl ester (X) leads to hydrazide (XI). After acidic tert-butyl ester cleavage in (XI), the resultant carboxylic acid (XII) is condensed with hydroxylamine to yield the desired hydroxamic acid.

1 Borella, C.; et al.; Asymmetric solid phase and solution parallel synthesis and antitumor properties of actinonin analogs. Proc Am Assoc Cancer Res 2002, 43.
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) 57557 Enanthic chloride; Enanthyl chloride; Heptanoic acid chloride; Heptanoyl chloride; Heptanoyl chloride; n-Heptanoyl chloride; Oenanthic chloride 2528-61-2 C7H13ClO 详情 详情
(II) 12867 (4S)-4-Isopropyl-1,3-oxazolidin-2-one; (R)-4-Isopropyl-2-oxazolidinone 17016-83-0 C6H11NO2 详情 详情
(III) 57558 (4S)-3-heptanoyl-4-isopropyl-1,3-oxazolidin-2-one C13H23NO3 详情 详情
(IV) 17430 2-Bromoacetic acid tert-butyl ester; tert-butyl 2-bromoacetate; tert-Butyl bromoacetate 5292-43-3 C6H11BrO2 详情 详情
(V) 57559 tert-butyl (3R)-3-{[(4S)-4-isopropyl-2-oxo-1,3-oxazolidin-3-yl]carbonyl}octanoate C19H33NO5 详情 详情
(VI) 57560 (2R)-2-[2-(tert-butoxy)-2-oxoethyl]heptanoic acid C13H24O4 详情 详情
(VII) 57561 tert-butyl (3R)-3-{[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl}octanoate C17H27NO6 详情 详情
(VIII) 37828 L-2-Amino-3-methylbutyric acid; L-2-Aminoisovaleric acid; 2-Aminoisovaleric acid; L-2-Amino-3-methylbutyric acid; L-alpha-Aminoisovaleric acid; L-valine; (S)-(+)-Valine; (S)-alpha-Aminoisovaleric acid 72-18-4 C5H11NO2 详情 详情
(IX) 57562 (2S)-2-({(2R)-2-[2-(tert-butoxy)-2-oxoethyl]heptanoyl}amino)-3-methylbutanoic acid C18H33NO5 详情 详情
(X) 57563 methyl (2S)-1-amino-2-pyrrolidinecarboxylate C6H12N2O2 详情 详情
(XI) 57564 methyl (2S)-1-{[(2S)-2-({(2R)-2-[2-(tert-butoxy)-2-oxoethyl]heptanoyl}amino)-3-methylbutanoyl]amino}-2-pyrrolidinecarboxylate C24H43N3O6 详情 详情
(XII) 57565 (3R)-3-({[(1S)-1-({[(2S)-2-(methoxycarbonyl)pyrrolidinyl]amino}carbonyl)-2-methylpropyl]amino}carbonyl)octanoic acid C20H35N3O6 详情 详情
Extended Information