Tetrahedron p. 6649 - 6654 (1991)
Update date:2022-08-02
Topics:
Aichaoui, Hocine
Poupaert, Jacques H.
Lesieur, Daniel
Henichart, Jean-Pierre
Unequivocal synthetic routes towards 5- and 6-acyl-2(3H)-benzoxazolones are described. Comparison of the physicochemical properties of the compounds obtained by direct acylation under various Friedel-Crafts reaction conditions always leads to the conclusion that 6-acyl derivatives are the only isolated products. This observation contradicts previously published results.
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