Selective gas adsorption by calixarene-based porous octahedral M32 coordination cages†
Ivan V.
Khariushin, 
ab
Alexander S.
Ovsyannikov,
*c
Stéphane A.
Baudron,
a
Jas S.
Ward,
d
Anniina
Kiesilä,
d
Kari
Rissanen,
d
Elina
Kalenius,
d
Konstantin A.
Kovalenko,
e
Vladimir P.
Fedin,
e
Svetlana E.
Solovieva,
b
Igor S.
Antipin,
b
Véronique
Bulach
a
and
Sylvie
Ferlay
*a
ab
Alexander S.
Ovsyannikov,
*c
Stéphane A.
Baudron,
a
Jas S.
Ward,
d
Anniina
Kiesilä,
d
Kari
Rissanen,
d
Elina
Kalenius,
d
Konstantin A.
Kovalenko,
e
Vladimir P.
Fedin,
e
Svetlana E.
Solovieva,
b
Igor S.
Antipin,
b
Véronique
Bulach
a
and
Sylvie
Ferlay
*a
Abstract
Giant octahedral M32 coordination cages were prepared via self-assembly of sulfonylcalix[4]arene-supported tetranuclear M(II) clusters (M = Co, Ni) with hybrid linker based on tris(dipyrrinato)cobalt(III) complexes appended with peripherical carboxylic groups. Due to intrinsic and extrinsic porosity, the obtained solid-state supramolecular architectures demonstrated good performance as adsorbents for the separation of industrially important gases mixtures.
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