Lanthanide triflate catalyzed generation of N-acyliminium ions from α-amido sulfones: the synthesis of (1-alkyl-1-aryl)methyl phenyl sulfones

Tetrahedron Letters

Volumn 48, Issue 14, 2007, Pages 2467-2470

  Kuhakarn, Chutima ^a   Tangdenpaisal, Kassrin ^a   Kongsaeree, Palangpon ^a   Prabpai, Samran ^a   Tuchinda, Patoomratana ^a   Pohmakotr, Manat ^a   Reutrakul, Vichai ^a  

^a MAHIDOL UNIVERSITY   (Thailand)

Author keywords

Catalytic reactions; Lanthanide triflates; N Acyliminium ions

Indexed keywords

ALKYL GROUP; AROMATIC COMPOUND; IMINE; LANTHANIDE; METHYL GROUP; N ACYLIMINIUM; PHENYL GROUP; POLYCYCLIC AROMATIC HYDROCARBON DERIVATIVE; SULFONE DERIVATIVE; TRIFLUOROMETHANESULFONIC ACID; UNCLASSIFIED DRUG;

ARTICLE; CATALYSIS; CHEMICAL REACTION; CHEMICAL STRUCTURE; CHROMATOGRAPHY; REACTION ANALYSIS; SYNTHESIS; X RAY DIFFRACTION;

EID: 33847673216     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2007.02.035     Document Type: Article

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35. 4) and filtered. The solvent was removed (aspirator then vacuo) to give a crude product, which was purified by radial chromatography.
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37. -1, a total of 10,426 reflections were collected and 5482 were unique. R1 = 0.0663 [I > 2σ(I)], wR2 = 0.1946 (all data). Crystallographic data (excluding structure factors) for compound 2j have been deposited with the Cambridge Crystallographic Data Centre as Supplementary Publication No. CCDC 632874. Copies of the data can be obtained, free of charge, on application to CCDC, 12 Union Road, Cambridge CB2 1EZ, UK (fax: +44 (0)1223 336033 or e-mail: deposit@ccdc.cam.ac.uk).