【摘 要】
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该文以左旋樟脑磺酸为起始原料,经过氯化、氧化、Curtius重排、N甲基化、还原、成盐六步反应合成了一类新的手性相转移催化剂,其结构经过了HNMR,MS,IR,和EA确认,并经X衍射确
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该文以左旋樟脑磺酸为起始原料,经过氯化、氧化、Curtius重排、N甲基化、还原、成盐六步反应合成了一类新的手性相转移催化剂,其结构经过了<1>HNMR,MS,IR,和EA确认,并经X衍射确定了其立体构型.该文将合成的具有樟脑骨架结构的手性相转移催化剂用于α,β-不饱和酮的不对称环氧化反应中,考察了溶剂、温度、催化剂、氧化剂、底物等对反应的影响,在选定的条件下,得到61﹪ee值的选择性.
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