3-吲哚丁酸 → 4-(2-oxo-2,3-dihydro-1H-indol-3-yl)butanoic acid

HRID 128817

反应方程式

HRID 128817 反应方程式
[NH:1]1[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:3]([CH2:10][CH2:11][CH2:12][C:13]([OH:15])=[O:14])=[CH:2]1.CS(C)=[O:18].Cl.[N+](=C)=[N-]>>[O:18]=[C:2]1[CH:3]([CH2:10][CH2:11][CH2:12][C:13]([OH:15])=[O:14])[C:4]2[C:9](=[CH:8][CH:7]=[CH:6][CH:5]=2)[NH:1]1

参与物

4

实验过程

Similar treatment of methyl 3-(3-indolinyl)propanoic [II: R1 =R3 =H, R2 =(CH2)2COOH] (0.93 g) with DMSO/HCl, followed by esterification with diazomethane and chromatography on silica gel, gave methyl 3-(2-oxo-3-indolyl)propanoate [III: R1 -R3 =H, R2 =(CH2)2COOMe] (0.89 g, 89%) as a yellow oil (Julian P. L., Printy H. C., J. Am. Chem. Soc. 1953;75:5301-5305 report mp 79°-80° C.).

来源与证据

ORD记录
ord-781cb543a31145bb87d9dd9617e30235
来源数据集
uspto-grants-1995_11
专利号
US05464861

关联笔记

加载中…