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Efficient catalytic cyclizations of three and two imine assemblies: Direct access to tetrahydroimidazo[1,5-c]imidazol-7-ones and imidazoles
Y SAIMA, S KHAMARUI, K S GAYEN, P PANDIT,
Published in ROYAL SOC CHEMISTRY
2012
Volume: 48
   
Issue: 52
Pages: 6601 - 6603
Abstract
A cascade cyclization involving union of three imines by an organocatalyst proline is established to afford new fused-tetrahydroimidazo[1,5-c]imidazol-7- ones with excellent regio- and stereoselectivity. Another dehydrogenative cyclization by union of two imines is developed using the Cu(OTf) 2-Ag 2O combo catalyst to furnish functionalized imidazoles. © 2012 The Royal Society of Chemistry.
About the journal
JournalChemical Communications
PublisherROYAL SOC CHEMISTRY
ISSN1359-7345