Conformational investigations of benzophenones by means of the Kerr effect and dipole moment methods
作者:S.B. Bulgarevich、D.Ya. Movshovich、N.A. Ivanova、M.G. Gruntfest、P. Finocchiaro、S. Failla
DOI:10.1016/0022-2860(94)08360-6
日期:1994.12
)(2′,4′,6′-Me 3 C 6 H 2 )CO, (2-ClC 6 H 4 )(2′,4′,6′-Me 3 C 6 H 2 )CO, and (C 4 H 3 S)(4′-MeOC 6 H 4 )CO) as solutes in dioxane solution at 298 K. The data are analysed in terms of the preferred conformations adopted in solution. In most cases these data are consistent with the presence in dioxane of asymmetric (gauche) conformers which both aromatic rings are twisted in the same direction with respect
摘要 报告了不同取代的二苯甲酮(例如 (4-FC 6 H 4 ) 2 CO、(4-ClC 6 H 4 )(C 6 H 5 )CO、(4-MeC 6 H 4 )(C 6 H 5 )CO、(4-MeOC 6 H 4 )(C 6 H 5 )CO、(2-ClC 6 H 4 )(C 6 H 5 )CO、(2-MeC 6 H 4 ) (C 6 H 5 )CO, (4-ClC 6 H 4 )(2',4',6'-Me 3 C 6 H 2 )CO, (2-ClC 6 H 4 )(2',4', 6'-Me 3 C 6 H 2 )CO 和 (C 4 H 3 S)(4'-MeOC 6 H 4 )CO) 作为溶质在 298 K 的二恶烷溶液中。根据优选构象分析数据解决方案中采用。在大多数情况下,这些数据与不对称 (gauche) 构象异构体在二恶烷中的存在一致,即两个芳环相对于 C Ar -C(0)-C Ar 分子