Trans-1,2-cyclohexanedicarboxylic acid derivatives as pH-trigger for conformationally controlled crowns

被引:29
作者
Samoshin, VV
Chertkov, VA
Vatlina, LP
Dobretsova, EK
Simonov, NA
Kastorsky, LP
Gremyachinsky, DE
Schneider, HJ
机构
[1] MOSCOW MV LOMONOSOV STATE UNIV,DEPT CHEM,MOSCOW 119899,RUSSIA
[2] USHINSKY YAROSLAVL STATE PEDAGOG UNIV,YAROSLAVL 150000,RUSSIA
[3] UNIV SAARLAND,FACHRICHTUNG ORGAN CHEM,D-66041 SAARBRUCKEN,GERMANY
关键词
D O I
10.1016/0040-4039(96)00761-7
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Conversion of trans-1,2-cyclohexanedicarboxylic acid derivatives into dianions under the action of strong bases leads to dramatic conformational changes: a conformer with diaxial position of carboxylate groups becomes predominant. Thus the trans-1,2-cyclohexanedicarboxylic acid moiety can be used for pH-induced conformational switching. The conformational energy changes upon protonation amount to 10 kJ/mol. (C) 1996 Elsevier Science Ltd
引用
收藏
页码:3981 / 3984
页数:4
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