反応 #520803

ord-e0e89c22dafd435b9479628bf8426f6b

反応方程式

CSc1cccc(N)c1
3-(methylthio)aniline
CCOC(OCC)OCC
triethyl orthoformate
CCOC(=O)C[N+](=O)[O-]
ethyl nitroacetate
CC(=O)O
acetic acid
CCOC(OCC)OCC
triethyl orthoformate
CC(=O)O
acetic acid
CSc1cccc(-n2cnc(C(=O)O)c2)c1
title compound
CSc1cccc(-n2cnc(C(=O)O)c2)c1
1-(3-Methylsulfanyl-phenyl)-1H-imidazole-4-carboxylic Acid

反応条件

詳細条件
See reaction.notes.procedure_details.

実験手順

Following the general method described in example 234, 3-(methylthio)aniline was reacted with triethyl orthoformate, ethyl nitroacetate and acetic acid followed by treatment with triethyl orthoformate, iron and acetic acid and subsequent alkaline hydrolysis. The title compound was obtained as a grey crystalline solid. Mp. 190-192° C. (H2O/dioxane), MS: m/e=234 (M+).

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US06667335B2uspto-grants-2003_12