Self-assembled calixarene-based guest-host assemblies for...

Details Self-assembled calixarene-based guest-host assemblies for... Self-assembled calixarene-based guest-host assemblies for...

2006-11-07

2006-11-07

Richter, Johann (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C564S306000, C564S307000

Reexamination Certificate

active

07132571

ABSTRACT:
A guest-host assembly having a generally spheroidal host assembly formed of trimers of calixarene molecules in a hexagonal close-packed assembly and its preparation. The calixarene trimers are associated together predominantly by van der Waals forces to provide dilated channels having void volumes within the range of 100-200 Å3. A guest component, such as hydrogen, methane, or another hydrocarbon or halocarbon, is encapsulated within the dilated channels of the spheroidal host assembly and retained within the channels primarily by van der Waals forces. The guest-host assembly is stable at a temperature of 150° C. or higher. The temperature at which the onset of the release of the guest component occurs is within the range of 150-300° C.

REFERENCES:
patent: 6342634 (2002-01-01), Nicholson et al.
MacGillivray et al., A. chiral spherical molecular assembly held together by 60 hydrogen bonds, Nature, 389, 469-472.

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