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A Molecularly Defined, Grafted Olefin Metathesis Catalyst from Tris(neopentyl)‐nitridomolybdenum( VI )
Author(s) -
Herrmann Wolfgang A.,
Stumpf Andreas W.,
Priermeier Thomas,
Bogdanović Sandra,
Dufaud Veronique,
Basset JeanMarie
Publication year - 1996
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199628031
Subject(s) - silanol , chemistry , catalysis , olefin metathesis , metathesis , ring opening metathesis polymerisation , polymerization , polymer chemistry , tris , cyclopropanation , heterogeneous catalysis , olefin fiber , organic chemistry , combinatorial chemistry , polymer , biochemistry
1,2‐Addition of the surface silanol groups on SiO 2 to the nitridomolybdenum fragment of the title compound and subsequent α‐elimination of neopentane forms the catalytically active surface species I . This is the first case in which an alkylated complex is converted into a heterogeneous catalyst in a well‐defined way. The immobilized compound is significantly more active in ring‐opening metathesis polymerization than the molecular precursor.