Dibutyl ethyleneboronate, propene-2-boronate and 1-propene-1-boronate have been synthesized and their reactions with free radicals investigated. Bromotrichloromethane adds readily to the double bond of each of the three esters, carbon tetrachloride to the first two, and hexyl mercaptan to the only one tested, the first. The 1: 1 adducts obtained represent the first general synthesis of aliphatic boronic esters (and their derivatives) containing other ...
