A convenient synthesis of partially reduced benzo[c]phenanthrenes, its ketals and ketones
作者:Ramendra Pratap、Resmi Raghunandan、Abhishek Kumar Mishra、P.R. Maulik、V.P. Gupta、Vishnu Ji Ram
DOI:10.1016/j.tet.2009.12.026
日期:2010.2
cyclohexanone, 2-cyclohexen-1-one, 1,4-cyclohexanedione monocycloalkene ketals. The acid catalyzed deketalation of 6-sec-amino-3,4,7,8-tetrahydro-1H-benzo[c]phenanthrene-2-one-carbonitrile ketals led to yield 6-sec-amino-3,4,7,8-tetrahydro-1H-benzo[c]phenanthrene-3-carbonitrile-2-ones in excellent yield. We also performed the X-ray studies of the molecules 3d and 6a to know the degree of non-planarity
简捷方便地合成各种部分还原的6 - sec-氨基-1,2,3,4,7,8-六氢-,6 - sec-氨基-1,2,7,8-四氢苯并[ c ]菲-通过以下方法描述了5-腈,6-仲-氨基-3,4,7,8-四氢-1 H-苯并[ c ]菲-2--2-酮-5-腈环烯烃缩酮,带有电子供体和受体取代基的侧基。环己酮,2-环己烯-1-酮,1,4-环己二酮单环烯烃对2-氧代-4-仲-氨基-5,6-二氢-2 H-苯并[ h ]亚甲基-3-甲腈的碱催化环转化缩酮。酸催化的脱缩酮反应6秒钟-氨基-3,4,7,8-四氢- 1 H ^ -苯并[ c ^ ]菲-2-酮甲腈导致得到6-缩酮仲丁基-氨基-3,4,7,8-四氢ħ -苯并[ c ]菲-3-甲腈-2-酮,收率极高。我们还对分子3d和6a进行了X射线研究,以了解非平面度。