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Supramolecular Assemblies Directed by Hydrogen Bonds and π–π Interactions and Based on N ‐Heterocyclic‐Ligand‐Modified β‐Octamolybdate – Structure and Catalytic Application in Olefin Epoxidation
Author(s) -
Du Juan,
Yu Jiehui,
Tang Jianyuan,
Wang Jing,
Zhang Wenxiang,
Thiel Werner R.,
Jia Mingjun
Publication year - 2011
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201100249
Subject(s) - chemistry , catalysis , olefin fiber , supramolecular chemistry , ligand (biochemistry) , hydrogen bond , hydrothermal circulation , medicinal chemistry , combinatorial chemistry , stereochemistry , polymer chemistry , organic chemistry , molecule , chemical engineering , biochemistry , receptor , engineering
A series of supramolecular assemblies based on POMs modified by organic ligands, including (Himi) 4 [(imi) 2 (Mo 8 O 26 )] · H 2 O ( 1 ), (H 2 bbi) 2 [Mo 8 O 26 ] ( 2 ), and (H 2 bbi)[(Hbbi) 2 (Mo 8 O 26 )] · H 2 O ( 3 ), were synthesized by a one‐step hydrothermal method. All of them are active catalysts for the epoxidation of olefins with tert ‐butyl hydroperoxide as the oxidant. Most interestingly, (Himi) 4 [(imi) 2 (Mo 8 O 26 )] · H 2 O ( 1 ) exhibits very high catalytic activity and stability, which makes it a truly efficient heterogeneous catalyst for olefin epoxidation.