Syntheses of macrocyclic enzyme models. Part 4. Preparation and characterization of cationic octopus azaparacyclophanes
作者:Yukito Murakami、Akio Nakano、Kazunari Akiyoshi、Kiyoshi Fukuya
DOI:10.1039/p19810002800
日期:——
Azaparacyclophanes bearing alkyl chains as branches of the skeleton were prepared in order to investigate their ability as macrocyclic enzyme models to incorporate various hydrophobic substrates. A water-soluble azaparacyclophane, NN′N″N‴-tetrakis-(10-trimethylammoniodecyl)-3,10,21,28-tetraoxo-2,11,20,29-tetra-aza[3.3.3.3]paracyclophane tetrabromide (7), incorporates not only non-charged, hydrophobic
为了研究它们作为大环酶模型并入各种疏水性底物的能力,制备了带有烷基链作为骨架分支的氮杂对环烷。水溶性azaparacyclophane,NN ' Ñ “ ñ '''-tetrakis-(10-trimethylammoniodecyl)-3,10,21,28四氧代2,11,20,29四氮杂[3.3.3.3]对环芳四溴化( 7),不仅结合了不带电荷的疏水自旋标记和荧光探针,而且还结合了阴离子和大体积的中性染料。(7)显示的底物特异性主要是由于与客体分子的静电和疏水相互作用。的催化行为azaparacyclophanes NN “ Ñ ” ñ‴-四-10- [二甲基(咪唑基甲基)铵]癸基} -3,10,21,28-四氧代-2,11,20,29-四氮杂[3.3.3.3]对环庚烷四氯化物(9)和NN '(ñ “) -双- 10- [二甲基(咪唑基甲基)-ammonio]癸基} - ñ ”(ñ ')ñ