A practical method for preparation of optically pure oxazaborolidines from α-pinene

Article abstract of DOI:10.1016/0040-4020(95)00447-G

(1S,2S,3R,5S)- and (1S,2S,3R,5S)-3-amino-2-hydroxypinane (1 and 2) were prepared from the corresponding α-pinene in optically pure form. They and their derivatives reacted with various organoborane compounds. A variety of chiral oxazaborolidines 3a-e and 4 were obtained in high yield.