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Experimental Evidence from H/D Exchange Studies for the Failure of Direct CC Coupling Mechanisms in the Methanol‐to‐Olefin Process Catalyzed by HSAPO‐34
Author(s) -
Marcus David M.,
McLachlan Kelly A.,
Wildman Mark A.,
Ehresmann Justin O.,
Kletnieks Philip W.,
Haw James F.
Publication year - 2006
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/anie.200504372
Subject(s) - oxonium ion , olefin fiber , methanol , carbene , ethylene , process (computing) , catalysis , chemistry , work (physics) , mechanism (biology) , ylide , computer science , organic chemistry , physics , thermodynamics , philosophy , epistemology , programming language , ion
Pool view preferred : In agreement with recent theoretical work, a new line of experimental evidence was obtained in support of the controversial claim that direct mechanisms do not couple methanol to ethylene in the catalyzed methanol‐to‐olefin process. The results preclude carbene routes and oxonium ylide mechanisms, among others (see picture), in favor of the hydrocarbon pool mechanism.