Thiol-induced conversion of (Z)-4-o-acetoxybenzylidene-2-phenyl-4,5-dihydrooxazol-5-ones into 3-benzoylaminocoumarins
Abstract
Toluene-α-thiol induces cleavage of the 1,5-bond of (Z)-4-o-acetoxybenzylidne-2-phenyl-4,5-dihydrooxazol-5-ones in triethylamine-containing ethanol to give 3-benzoylaminocoumarins
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