Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 353, Issue 7, Pages 1161-1168Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201000962
Keywords
alcohols; alkylation; amines; iridium; water-soluble catalyst
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Funding
- Mitsubishi Chemical Corporation
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An efficient and environmentally benign catalytic system for the synthesis of various organic amines catalyzed by the water-soluble and air-stable (pentamethylcyclopentadienyl)-iridium-ammine iodide complex, [Cp*Ir(NH3)(3)][I](2) (Cp* - pentamethylcyclopentadienyl), has been developed. A wide variety of secondary and tertiary amines were synthesized by the N-alkylation reactions of theoretical equivalents of amines with alcohols in water under air without a base. The synthesis of cyclic amines was also achieved by the N-alkylation of benzylamine with diols. Furthermore, the recycle use of the present water-soluble Cp*Ir catalyst was accomplished.
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