The reaction of 1 or its corresponding chalcones 3a-c with hydroxylamine in boiling pyridine gave the oximes 2 or 5a-c respectively in almost quantitative yield. When both 2 and 5a-c were reacted with phenylisothiocyanate, the corresponding thiocarbamates 4 and 6a-c were achieved. A new series of pyrazolyloxy 7a-f, isoxazolyloxy 8a-c, pyrimidyloxy 9a-f and pyridyloxy 10a,b quinolines were obtained from the reaction of 3a-c with hydrazines, hydroxylamine, urea, thiourea and malononitrile respectively. The in vitro antibacterial and antifungal activity were screened for all the compounds prepared, some of the compounds tested showed interesting results

<p>Spiro and sulfonamide derivatives have been found to be biologically active. In view of this importance, we report the synthesis of some new spiroheterocyclic naphthenes <i>IV</i> - <i>VI</i>.

<p>Spiro and sulfonamide derivatives have been found to be biologically active. In view of this importance, we report the synthesis of some new spiroheterocyclic naphthenes <i>IV</i> - <i>VI</i>.