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Title: A facile [hydroxy(tosyloxy)iodo]benzene mediated synthesis of 2-arylimidazo[1,2-]pyrimidines and their conversion into 3-bromo-2-arylimidazo[1,2-]pyrimidines
Authors: Aggarwal, Ranjana
Sumran, Garima
Keywords:  -Tosyloxyketones;[hydroxy(tosyloxy)iodo]benzene;2-arylimidazo[1,2-]pyrimidines;electrophilic substi¬≠tution, 3-bromo-2-arylimidazo[1,2- ]pyrimidines
Issue Date: Dec-2006
Publisher: CSIR
IPC Code: Int. Cl.8 C07D
Abstract: -Tosyloxyketone 2, obtained through hypervalent iodine oxidation of enolizable ketones using [hydroxy(tosyloxy)iodo]benzene (HTIB) in acetonitrile, on treatment with 2-aminopyrimidine 3 generates regioselectively 2-arylimidazo[1,2- ]pyrimidine 6 which upon subsequent treatment with bromine undergoes electrophilic substitution at position-3 to yield 3-bromo-2-arylimidazo[1,2- ]pyrimidine 8.
Page(s): 2690-2695
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.45B(12) December 2006]

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