Реакция #7202

ord-387a8ed2067c4b49ae065cb773dcae43

Уравнение реакции

CC(C)(C)C(=O)CBr
1-bromo-3,3-dimethyl-butan-2-one
NC=O
formamide
CO.ClCCl.[NH4+].[OH-]
CH2Cl2 MeOH NH4OH
CC(C)(C)c1cnc[nH]1
title compound
Выход 21.0%
CC(C)(C)c1cnc[nH]1
5-tert-Butyl-1H-imidazole
Выход 21.0%

Реагенты

Нет

Условия реакции

Подробные условия
See reaction.notes.procedure_details.

Методика

Reaction of 1-bromo-3,3-dimethyl-butan-2-one (3.0 g, 16.80 mmol), and formamide (4.7 mL, 117.20 mmol), followed by chromatography (CH2Cl2/MeOH/NH4OH 94:3:3) gave the title compound (450 mg, 21%) as a yellow foam. 1H NMR (300 MHz, CDCl3) δ 1.29 (s, 9H), 6.77 (s, 1H), 7.57, (s, 1H). ES-MS m/z 125 (M+H).

Источник

DOI: 10.6084/m9.figshare.5104873.v1Патент: US07084155B2uspto-grants-2006_08