sacrificed alcohols were transformed into corresponding ketones which were also valuable chemicals. Furthermore, the efficiency of the alcohols was achieved to unprecedented 52 %. The Baeyer-Villiger oxidation of various other cycloalkanones was also examined. The substituent group effect on the efficiency of sacrificed alcohols was investigated in which weak electron-donating substituent induced nearly
为了避免使用过酸氧化剂或高浓度
过氧化氢,这些氧化剂或高浓度
过氧化氢具有潜在的危险性和爆炸性,在本文中,开发了一种新的制备
ε-己内酯的方法,其中使用分子氧作为末端氧化剂。商用N-羟基邻苯二甲
酰亚胺和
硝酸铈铵用作增加
ε-己内酯收率的关键催化剂。例如,
ε-己内酯的选择性为92%,
环己酮的转化率为85%,这与使用高浓度
过氧化氢的策略相当。牺牲的醇被转化成相应的酮,它们也是有价值的
化学物质。此外,醇的效率达到了前所未有的52%。还检查了各种其他环烷酮的Baeyer-Villiger氧化。研究了取代基基团对牺牲醇效率的影响,其中弱的供电子性取代基几乎诱导了ε-
己内酯的定量产率。