Synthesis of Optically Pure 3,3′-Disubstituted-1,1′-Bi-6-Methoxy-2-Phenol (BIPhOL) Derivatives via Diastereomeric Resolution

Autor: Chun Young Lee, Jung Min Yoon, Young In Jo, Cheol Hong Cheon
Rok vydání: 2016
Předmět:
Zdroj: The Journal of Organic Chemistry. 81:8464-8469
ISSN: 1520-6904
0022-3263
DOI: 10.1021/acs.joc.6b01645
Popis: A new protocol for the enantioselective synthesis of 3,3'-disubstituted-1,1'-bi-6-methoxy-2-phenol (BIPhOL) derivatives is described. Diastereomeric resolution of racemic BIPhOL boronic acid using a boronic acid moiety as a resolving group generated two diastereomers and subsequent Suzuki-Miyaura coupling reaction of the resulting diastereomers with aryl halides provided BIPhOL derivatives without any loss of enantioselectivity. In addition, the absolute stereochemistry of chiral BIPhOL was determined by comparison of the optical rotation with the reported value.
Databáze: OpenAIRE