6,6′-Substituent effect of BINOL in bis-titanium chiral Lewis acid catalyzed 1,3-dipolar cycloaddition of nitrones
作者:Takuya Hashimoto、Masato Omote、Keiji Maruoka
DOI:10.1039/b804987d
日期:——
By the accommodation of modified BINOLs as chiral ligands, enantioselectivities in the bis-titanium chiral Lewis acid catalyzed1,3-dipolarcycloaddition of N-diphenylmethyl nitrones and methacrolein could be improved.