Zixing Shan, Y. Xiong, Dejie Zhao
Mar 26, 1999
Citations
0
Influential Citations
23
Citations
Journal
Tetrahedron
Abstract
Abstract 1,1′-Bi-2-naphtholborane generated from racemic 1,1′-bi-2-naphthol and borane dimethyl sulfide complex reacted with ( S )-proline in tetrahydrofuran to form a spirocyclic 1,1′-bi-2-naphtholboric proline anhydride. Its two diastereoisomers could be separated efficiently under the experimental conditions, from which enantiomerically pure ( R )-(+)- and ( S )-(−)-1,1′-bi-2-naphthol were obtained in ca. 80% overall yield, respectively.