Abstract: The phenyl Lithium, 2-methoxy phenyl Lithium and 2,4-dimethoxy phenyl Lithium reacted with the cinnamic acid to produce a corresponding chalcone in 75%, 56%, 50%yield, respectively. 2,6-Dimethoxyphenyl Lithium could not react with cinnamic acid,
Abstract: The phenyl Lithium, 2-methoxy phenyl Lithium and 2,4-dimethoxy phenyl Lithium reacted with the cinnamic acid to produce a corresponding chalcone in 75%, 56%, 50%yield, respectively. 2,6-Dimethoxyphenyl Lithium could not react with cinnamic acid,
文摘:苯基锂、2-甲氧基苯基锂和2,4-二甲氧苯基锂分别与肉桂酸反应以75%,65%,50%的收率生成相应的查尔酮;2,6-二甲氧基苯基锂与肉桂酸不发生反应,但能与肉桂酸甲酯反应生成2′,6′-二甲氧基查尔酮;类似的还制得了2′,4′,6′-三甲氧基查尔酮和2′,4′,4,6′-四甲氧基查尔酮。