A highly efficient synthesis of triisopropylsilyldifluorobromopropyne yields a versatile gem-difluoromethylene building block
Abstract
Triisopropylsilyldifluorobromopropyne, readily prepared in excellent yield from the reaction of lithium triisopropylsilylacetylide with CF2Br2, provides a convenient entry into a functionalized CF2 synthon.