Molecular recognition in micelles: the roles of hydrogen bonding and hydrophobicity in adenine-thymine base-pairing in SDS micelles
作者:James S. Nowick、Jenny S. Chen、Glenn Noronha
DOI:10.1021/ja00070a007
日期:1993.8
paper describes a new class of molecular receptors 2 that bind adenine derivatives 3 in aqueous solution by means of hydrogen bonding (base-pairing). The receptors are supramolecular assemblies of thymine groups embedin micelles, which self-assemble when (thyminylalkyl)ammonium salts 1 [Thy-(CH 2 ) n -N + Me 3 ] are mixed with aqueous sodium dodecyl sulfate (SDS) solutions. NMR titration studies and Job's
本文描述了一类新的分子受体 2,它们通过氢键(碱基配对)在水溶液中结合腺嘌呤衍生物 3。受体是嵌入胶束的胸腺嘧啶基团的超分子组装体,当(胸腺嘧啶烷基)铵盐 1 [Thy-(CH 2 ) n -N + Me 3 ] 与十二烷基硫酸钠 (SDS) 水溶液混合时,胶束会自组装。NMR 滴定研究和 Job 的方法表明,结合以 1:1 的腺嘌呤-胸腺嘧啶化学计量发生,其方式与胶束内的碱基配对一致。在没有 SDS 的情况下,碱基堆积优先于碱基配对