The Organic Synthesis Using Haloboration Reaction 20. A Simple Synthesis of (2-Bromoallyl)diphenoxyborane by the Bromoboration of Allene and its Reaction with Carbonyl Compounds

Article abstract of DOI:10.1016/S0040-4039(00)93593-7

Bromoboration reaction of allene with boron tribromide, followed by the treatment with anisole gives (2-bromoallyl)diphenoxyborane which reacts with aldehydes and ketones to give 2-bromohomoallylic alcohols in excellent yields.