Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 747306Generated: October 26, 2026

Formamide → 5-tert-butyl-1H-imidazole

https://huagongshe.com/reaction/747306

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormamideHCID 713—
ReactantBromopinacoloneHCID 21642—
ReactantDichloromethane methanol ammonium hydroxideHCID 21896990—
Product5-tert-butyl-1H-imidazoleHCID 49843621%

Reaction Steps

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).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07396840B2
Source datasetuspto-grants-2008_07
ORD IDord-8da110c9279e499ba62cc748d4d8c2a8
Source noteuspto-grants-2008_07