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2005
Furan derivatives
R 0060
Reaction Between tert-Butyl Isocyanide and 1,1,1-Trifluoro-4-aryl-butaneSynthesis of New Trifluoromethylated Furan Derivatives. — The
08- 103 -2,4-diones
2:1 adducts (III) produced in the reaction of tert-butyl isocyanide (II) and
1,1,1-trifluoro-4-arylbutane-2,4-diones (I) are characterized as fluorinated aminoketenimines which undergo enolization-cyclization in refluxing chloroform furnishing trifluoromethylated furan derivatives (IV). — (MOSSLEMIN, M. H.; YAVARI*,
I.; ANARY-ABBASINEJAD, M.; NATEGHI, M. R.; J. Fluorine Chem. 125 (2004)
10, 1497-1500; Dep. Chem., Univ. Tarbiat Modarres, Tehran, Iran; Eng.) —
R. Langenstrassen
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