Chloroform → cis-1,2-Dihydroxymethylcyclohex-4-ene

Participants

Reaction Conditions

Reaction Steps

A solution of 25 g of cis-4-cyclohexene-1,2-dicarboxylic acid anhydride in 140 ml of tetrahydrofuran is instilled in a suspension of 10 g of lithium aluminum hydride in 140 ml of tetrahydrofuran at room temperature and the mixture is then stirred for 3 hours at reflux temperature. It is cooled to 0° C. a mixture of tetrahydrofuran/water (1+1) is instilled slowly, stirred for 30 minutes, mixed with 150 ml of chloroform, filtered and the filtrate is concentrated by evaporation in a vacuum. The residue is distilled at 0.2 mm/Torr and 150° C. on a bulb tube. After recrystallization of the distillate from toluene/pentane, 21 g of cis-1,6-dihydroxymethyl-3-cyclohexene is obtained as colorless crystals, melting point 33°-35° C.

Provenance & Evidence