Abstract
Syntheses of novel heterocyclic derivatives of 18-nor-equilenin, namely, (12 H-11-oxa-17-thia-15-aza-cyclopenta[ a]phenanthrene-16-yl)-hydrazine ( 4a/ b) and its fused [1,2,4]triazolo derivatives6 H-5-oxa-7-thia-8,9,10 a-triaza-pentaleno[4,5-a]phenanthrene ( 5a/ b), 10-methyl-6 H-5-oxa-7-thia-8,9,10 a-triaza-pentaleno[4,5-a]phenanthrene ( 6a/ b) and tetrazolo derivatives 1-substituted-6 H-5-oxa-7-thia-8,9,10,10 a-tetraaza-pentaleno[4,5-a]phenanthrene ( 7a/ b) along with their antibacterial activities are reported.
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