1,3-Dihydro-1-(1-methylvinyl)-2H-benzimidazol-2-one → 1-(Propan-2-yl)-1,3-dihydro-2H-benzimidazol-2-one

Participants

Reaction Steps

A mixture of 1-isopropenyl-1,3-dihydro-benzoimidazol-2-one (J. Davoll, J. Chem. Soc. 1960, 308) (6.90 g, 39.6 mmol) and 10% palladium on carbon (1.0 g) in MeOH (50 mL) was placed in a Parr shaker under hydrogen (40 psi) for 2 h. The reaction mixture was filtered through celite and evaporated to give 6.97 g (100%) of 1-isopropyl-1,3-dihydro-benzoimidazol-2-one as a white solid.

Provenance & Evidence