Lookup NU author(s): Dr Simon Doherty,
Dr Julian Knight,
Emeritus Professor Bill Clegg
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Electrophilic gold(I) complexes of diphenyl- and dicyclohexylphosphino-based KITPHOS monophosphines catalyze the 5-exo-dig cycloisomerization of a range of propargyl amides to afford the corresponding alkylidene oxazolines; in all cases catalysts formed from diphenylphosphino-substituted KITPHOS monophosphines outperformed their dicyclohexylphosphino counterparts as well as that based on triphenylphosphine, an indication that the biaryl/biaryl-like framework may be responsible for imparting high catalyst efficiency.
Author(s): Doherty S, Knight JG, Hashmi ASK, Smyth CS, Ward NAB, Robson KJ, Tweedley S, Harrington RW, Clegg W
Publication type: Article
Print publication date: 17/08/2010
ISSN (print): 0276-7333
ISSN (electronic): 1520-6041
Publisher: American Chemical Society
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