Cationic Gold Catalyst Poisoning and Reactivation | Zendy

Manish Kumar | Zendy; Gerald B. Hammond | Zendy; Bo Xu | Zendy

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Cationic Gold Catalyst Poisoning and Reactivation

Author(s) -

Manish Kumar,

Gerald B. Hammond,

Bo Xu

Publication year - 2014

Publication title -

organic letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.94

H-Index - 239

eISSN - 1523-7060

pISSN - 1523-7052

DOI - 10.1021/ol501663f

Subject(s) - cationic polymerization , catalysis , chemistry , halide , reactivity (psychology) , colloidal gold , activator (genetics) , gold compounds , combinatorial chemistry , organic chemistry , nanotechnology , nanoparticle , materials science , medicine , biochemistry , alternative medicine , pathology , gene

High gold affinity impurities (halides, bases) in solvents, starting materials, filtration, or drying agents could affect the reactivity of gold catalyst adversely, which may significantly reduce the TON of cationic gold-catalyzed reactions. Use of a suitable acid activator (e.g., HOTf, In(OTf)3) reactivates the gold catalyst and makes the reaction proceed smoothly at low gold catalyst loading.

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