Bromotrimethylsilane → HCID 54134121, compound

Participants

Reaction Steps

34.4 g (0.2 mol) of 3-methoxy-3,6,6-trimethyl-2,4-dioxa-bicyclo[3,2,0]heptane (stereoisomer mixture) and 33.6 g (0.22 mol) of trimethylbromosilane in 150 ml of methylene chloride are heated to the reflux for 15 hours. Evaporation and fractional distillation of the residue in vacuo give 34.9 g (79%) of trans-1-bromo-2-acetoxy-3,3-dimethyl-cyclobutane. Boiling point14 87°-89°, nD20 1.4629.

Provenance & Evidence