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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 33, Number 2
BKCSDE 33(2)
February 20, 2012 

One-pot, Three-component Synthesis of Fully Substituted 1,3,4-Oxadiazole Derivatives from (N-isocyanoimino)triphenylphosphorane, Aromatic Carboxylic acids and (1R)-(−)-Campherchinon
Ali Ramazani*, Fatemeh Zeinali Nasrabadi, Behnaz Abdian, Morteza Rouhani
(N-Isocyanimino)triphenylphosphorane, (1R)-(−)-Campherchinon, Aromatic carboxylic acid, 1,3,4-Oxadiazole, aza-Wittig reaction
Reactions of (N-isocyanimino)triphenylphosphorane with (1R)-(−)-campherchinon in the presence of aromatic carboxylic acids proceed smoothly at room temperature and in neutral conditions to afford sterically congested 1,3,4-oxadiazole derivatives in high yields. The reaction proceeds smoothly and cleanly under mild conditions and no side reactions were observed.
453 - 458
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