专利号:US-8716520-B2 优先权日:2010-01-15 标题:Method of resolution of (RS)- 1,1′-BI-2-naphthol for obtaining enantiomeric pure I.E. (S)-(−)-1,1′-BI-2-naphthol and/or (R)-(+)-1,1′-BI-2-naphthol via co-crystal formation with optically active derivatives of γ-amino acids 发明人:ROY BHAIRAB NATH; SINGH GIRIJ PAL; LATHI PIYUSH SURESH; MITRA RANGAN 权利人:ROY BHAIRAB NATH; SINGH GIRIJ PAL; LATHI PIYUSH SURESH; MITRA RANGAN; LUPIN LTD 摘要:Novel method for synthesis of optically pure (S)-(−)-1,1′-bi-2-naphthol and/or (R)-(+)-1,1′-bi-2-naphthol via resolution of racemic (RS)-1,1′-bi-2-naphthol through formation of co-crystal with optically active derivatives of γ-amino acids.