Reactions of 5,6-Dilithioacenaphthene-<i>N</i>-<i>N</i>,<i>N</i>′,<i>N</i>′-Tetramethyl-1,2-ethanediamine Complex with α-Diketones. II. Competitive Oxophilic and Carbophilic Additions and Redox Reactions
作者:Norio Tanaka、Toshiyasu Kasai
DOI:10.1246/bcsj.54.3026
日期:1981.10
2-diphenylethyl)-6-(2-oxo-1,2-diphenylethoxy)acenaphthene (5), 5-benzoyl-6-(1-hydroxy-2-oxo-1,2-diphenylethyl)acenaphthene, benzoin, and benzilic acid. Compound 5 suggests a new type of oxophilic addition accompanied by a carbophilic addition. The reaction of 3 with 9,10-phenanthrenequinone in a 1 : 1 molar ratio gave both the oxidative homo-coupling product of 3, 1,2,7,8-tetrahydrodicyclopenta[cd : lm]perylene
标题络合物 (3) 与苄基的反应未产生预期的 1:1 环状加成产物,但产生 5,6-二苯甲酰苊、5-(1-羟基-2-氧代-1,2-二苯乙基)-6 -(2-oxo-1,2-diphenylethoxy)acenaphthene (5), 5-benzoyl-6-(1-hydroxy-2-oxo-1,2-diphenylethyl)acenaphthene, 安息香和苯甲酸。化合物 5 表明一种新型的亲氧加成伴随着碳亲化加成。3 与 9,10-菲醌以 1:1 的摩尔比反应得到 3, 1,2,7,8-四氢双环戊二烯 [cd: lm] 苝的氧化均偶联产物和对苯二酚二阴离子在乙酰化作用下转化为 9,10-二乙酰氧基菲。3和α-二酮反应模式的差异基本上可以从α-二酮的氧化还原电位和空间因子的角度来理解。