反应条件
1: cis-4-hydroxy-3,4-dihydro-1-benzopyran With (-)-Tetramisole; N-ethyl-N,N-diisopropylamine in tetrahydrofuran T=-78°C; Inert atmosphereMolecular sieveResolution of racemate; 2: chlorotris(4-ethylphenyl)silane in tetrahydrofuran T=-78°C; 48 h; Inert atmosphereMolecular sieveResolution of racemate; enantioselective reaction;
参考文献
Akhani, Ravish K.; Moore, Maggie I.; Pribyl, Julia G.; Wiskur, Sheryl L.
Journal of Organic Chemistry, 2014 , vol. 79, # 6 p. 2384 - 2396
