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How Important is the Inert Matrix of Supported Enantiomeric Catalysts? Reversal of Topicity with Two Polystyrene Backbones
Author(s) -
Altava Belén,
Burguete M. Isabel,
Fraile José M.,
García José I.,
Luis Santiago V.,
Mayoral José A.,
Vicent María J.
Publication year - 2000
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/(sici)1521-3773(20000417)39:8<1503::aid-anie1503>3.0.co;2-b
Subject(s) - polystyrene , cyclopentadiene , catalysis , inert , polymerization , polymer chemistry , grafting , enantiomer , chemistry , matrix (chemical analysis) , polymer , materials science , organic chemistry , chromatography
Monolithic Ti‐TADDOLate catalysts (see picture) prepared by polymerization or grafting show a long‐term stability (several months). The polymeric backbone can play a central role in determining the stereochemical outcome of the Diels – Alder reaction between cyclopentadiene and 3‐crotonoyl‐1,3‐oxazolin‐2‐one.