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Tripodal hydrogen bonding

This view is consistent with the fact that host 29 displays potentiometric selectivities for guests 33,34, and 38. For these guests, the formation of strong tripodal hydrogen bonds will not be interfered because there is no substituent around the NHj group. Complexation with geometry A is supported by the H NMR results. [Pg.235]

Cyclofructans are a new class of chiral selectors. Despite the fact that they are cyclic oligosaccharides and have a crown ether core, their chiral recognition capabilities and mechanisms are completely different from those of either cyclodextrins or synthetic crown ethers. Two chiral recognition mechanisms are proposed for cyclofructan CSPs. Tripodal hydrogen bonding between the hydroxyl groups on... [Pg.93]

See other pages where Tripodal hydrogen bonding is mentioned: [Pg.362]    [Pg.235]    [Pg.236]    [Pg.235]    [Pg.236]    [Pg.69]    [Pg.166]    [Pg.1261]    [Pg.161]    [Pg.82]    [Pg.83]    [Pg.87]    [Pg.92]    [Pg.362]    [Pg.235]    [Pg.236]    [Pg.235]    [Pg.236]    [Pg.69]    [Pg.166]    [Pg.1261]    [Pg.161]    [Pg.82]    [Pg.83]    [Pg.87]    [Pg.92]    [Pg.1172]    [Pg.1201]    [Pg.489]    [Pg.1428]    [Pg.59]    [Pg.404]    [Pg.195]    [Pg.451]    [Pg.513]    [Pg.601]    [Pg.671]    [Pg.212]    [Pg.772]    [Pg.780]    [Pg.735]    [Pg.735]    [Pg.744]    [Pg.735]    [Pg.735]    [Pg.744]    [Pg.938]    [Pg.36]    [Pg.175]    [Pg.216]    [Pg.227]    [Pg.284]    [Pg.285]    [Pg.311]    [Pg.312]    [Pg.318]    [Pg.325]    [Pg.526]    [Pg.178]    [Pg.85]   
See also in sourсe #XX -- [ Pg.82 , Pg.93 ]



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