hydrolysis of O-butyryl-BINOL [(±)-3] or O-butyryl-6,6′-dibromo-BINOL [(±)-5] yielded optically active BINOL [(R)-1] or 6,6′-dibromo-BINOL [(R)-4] with high enantiomeric excess at 80 °C. Reaction temperature and acyl group of substrate had a great influence on the reactivity and enantioselectivity, respectively, of lipase-catalyzed hydrolysis for chiral binaphthol synthesis.
南极念珠菌
脂肪酶催化的O-丁酰基-BINOL [(±)-3 ]或O-丁酰基-6,6'-二
溴-BINOL [(±)-5 ]
水解产生光学活性的BINOL [(R)-1 ]或在80°C下具有高对映体过量的6,6'-dibromo-BINOL [(R)-4 ]。底物的反应温度和酰基分别对
脂肪酶催化
水解手性联
萘酚的反应性和对映选择性有很大的影响。