Dynopinacol (2-hydroxy-6-methyl-2,4,6-triphenylcyclohex-3-enyl phenyl ketone) and related compounds
作者:James Grimshaw、W. B. Jennings
DOI:10.1039/j39700000817
日期:——
derivatives of dypnopinacol (II)(2-hydroxy-6-methyl-2,4,6-triphenylcyclohex-3-enyl phenyl ketone) on the basis of spectral properties. Homodypnopinacol (V)(5-methyl-1,3,5,7-tetraphenylhept-2-ene-1,7-dione) re-forms dypnopinacol on mild treatment with base; prolonged action of base yields isodypnopinacolone (VII)(4-methyl-2,4,6-triphenylcyclohexa-2,6-dienyl phenyl ketone). Dehydration of dypnopinacol gives first
根据光谱性质,已将结构特征分配给dypnopinacol(II)(2-羟基-6-甲基-2,4,6-三苯基环己-3-烯基苯基酮)的衍生物。在用碱轻度处理后,同苯并萘那那醇(V)(5-甲基-1,3,5,7-四苯基庚-2-烯-1,7-二酮)重新形成对苯哌那醇。延长的碱作用可得到异麦角平酮(VII)(4-甲基-2,4,6-三苯基环六-2,6-二烯基苯基酮)。dypnopinacol的脱水产生第一个α-dypnopinacolone(III)(6-methyl-2,4,6-triphenylcyclohexa-2,4-dienyl phenyl ketone),其被酸异构化为β-dypnopinacolone(IV)(6-methyl-2 ,4,6-三苯基环己-1,3-二烯基苯基酮)。除了相关缩合产物(XIII)(2-羟基-2,4,由二氢吡啶酮(β-甲基查耳酮)和查耳酮形成的6-三苯基环己基-3-烯