A Rigid C3v-Symmetrical Host for Saccharide Recognition: 1,3,5-Tris(2-hydroxyaryl)-2,4,6-trimethylbenzenes
摘要:
A rigid C-3v-symmetrical host molecule, syn-1,3,5-tris(2-hydroxy-5-pentylphenyl)-2,4,6-trimethylbenzene, was readily obtained via Suzuki coupling and thermal atropisomerization. The host molecule effectively associated with various saccharides by multipoint hydrogen bonds, whereas its anti-atropisomer and analogue lacking in methyl groups showed much weaker association with saccharides. Thermodynamic analyses suggested that the difference of the association strength was caused by entropic factors.
De novo endo-functionalized organic cages as cooperative multi-hydrogen-bond-donating catalysts
作者:Hong-Yu Chen、Meng Gou、Jiao-Bing Wang
DOI:10.1039/c7cc00938k
日期:——
Two endo-functionalized organic cages as oxyanion hole mimics were achieved via dynamic covalent chemistry, which exhibit good size selectivity, catalytic activity and broad substrate scopes for Friedel–Crafts reactions.
A Rigid <i>C</i><sub>3</sub><i><sub>v</sub></i>-Symmetrical Host for Saccharide Recognition: 1,3,5-Tris(2-hydroxyaryl)-2,4,6-trimethylbenzenes
作者:Hajime Abe、Yoshinobu Aoyagi、Masahiko Inouye
DOI:10.1021/ol047907c
日期:2005.1.1
A rigid C-3v-symmetrical host molecule, syn-1,3,5-tris(2-hydroxy-5-pentylphenyl)-2,4,6-trimethylbenzene, was readily obtained via Suzuki coupling and thermal atropisomerization. The host molecule effectively associated with various saccharides by multipoint hydrogen bonds, whereas its anti-atropisomer and analogue lacking in methyl groups showed much weaker association with saccharides. Thermodynamic analyses suggested that the difference of the association strength was caused by entropic factors.