Synthesis of Some New 2-[2-(5-Phenyl-3-isoxazolyl) phenoxy methyl]-4H-I benzopyran-4-ones

Nadkarny-Sacasa Research Laboratory, St. Xavier's College, Bombay-400 001 Manuscript received 16 June 1983, revised 30 January 1984, accepted 30 May 1984 The synthesis of a few new 4H-1-benzopyran-4-ones having substituents containing heterocyclic systems starting from [2-(5-phenyl-3-isoxazolyl)phenoxy]-acetic acid and 2-hydroxy, 2,4-dibydroxy, 2,4,6-trihydroxy acetophenones has been described