Cyclic Imide and Open-Chain Amide Carboxylic Acid Derivatives from the Facile Reaction of cis-Cyclohexane-1,2-Dicarboxylic Anhydride with Three Substituted Anilines
作者:Graham Smith、Urs D. Wermuth
DOI:10.1007/s10870-012-0353-2
日期:2012.10
partial enantiomeric replacement of the cis-1,2-substituted cyclohexane ring systems.Graphical AbstractThe structures of an open-chain amide carboxylic acid and two cyclic imides from the facile reaction of cis-cyclohexane-1,2-dicarboxylic acid anhydride with the 4-chloro-, 4-bromo- and 3-carboxy-4-hydroxyaniline, respectively, are reported together with their hydrogen-bonding patterns
顺式-环己烷-1,2-二羧酸酐与4-氯苯胺[rac-2-[(4-氯苯基)氨基甲酰基]-顺-环己烷-1-羧酸]反应所得化合物的结构(1), 4-溴苯胺 [2-(4-bromophenyl)-3a,4,5,6,7,7a-hexahydroisoindole-1,3-dione] (2) 和 3-carboxy-4-hydoxyaniline (5-aminosalicylic acid) [ 2-(3-carboxy-4-hydroxyphenyl)- 3a,4,5,6,7,7a-hexahydroisoindole-1,3-dione] (3) 已在 200 K 下测定。开链酰胺羧酸的晶体酸 1 是斜方晶系,空间群 Pbcn,晶胞尺寸 a = 20.1753(10),b = 8.6267(4),c = 15.9940(9) Å,Z = 8。化合物 2 和 3 是环状酰亚胺,具有 2具有空间群