Premium
Encapsulation of Arenes within a Porous Molybdenum Oxide {Mo 132 } Nanocapsule
Author(s) -
Sarma Bidyut Bikash,
Avram Liat,
Neumann Ronny
Publication year - 2016
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201603596
Subject(s) - chemistry , benzene , stacking , oxide , molybdenum , intermolecular force , solvent , substituent , alkylbenzenes , crystallography , organic chemistry , inorganic chemistry , molecule
The use of confined space to modulate chemical reactivity and to sequester organic compounds spans significant disciplines in chemistry and biology. Here, the inclusion and assembly of arenes into a water‐soluble porous metal oxide nanocapsule [{(Mo VI )Mo V 5 O 21 (H 2 O) 6 } 12 {Mo V 2 O 4 (CH 3 COO)} 30 ] 42− (Mo 132 ) is reported. The uptake of benzene, halobenzenes, alkylbenzenes, phenols, and other derivatives was studied by NMR, where it was possible to follow the encapsulation process from the outside of the capsule through its pores and then into the interior. The importance of size or shape of the arenes, and various intermolecular bond interactions contributed by the benzene substituent on the encapsulation process was studied, showing the importance of π–π stacking and CH–π interactions. Furthermore, by using NOESY, ROESY, and HOESY NMR techniques it was possible to understand the interaction of the encapsulated arenes and the acetate linkers or ligands that line the interior of the Mo 132 capsule.