Monoisopinocampheylborane: An Excellent Chiral Hydroborating Agent for Phenyl-Substituted Tertiary Olefins. Synthesis of Alcohols Approaching 100percent Enantiomeric Excess

Article abstract of DOI:10.1021/jo01305a047

Monoisopinocampheylborane (IPCBH2), a less hindered chiral hydroborating agent, is highly effective for the hydroboration of phenyl-substituted tertiary olefins, such as 1-phenyl-1-cyclopentene, 1-phenyl-1-cyclohexene, (E)- and (Z)-2-phenyl-2-butenes, and