3-Methylene flavanones and 3-methylene chromanones

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...

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424283, 424275, 2603452, 549 60, 546269, C07D40504, A61K 3135, A61K 3144, C07D31128

Patent

active

042410690

ABSTRACT:
Compounds which are 3-methylene flavanones and 3-methylene chromanones having activity against microorganisms are disclosed. The compounds are represented by the general structural formula: ##STR1## wherein: R.sup.1 is a member selected from the group consisting of hydrogen, Br, CH.sub.3 and OCH.sub.3 ; R.sup.2 is selected from the group consisting of hydrogen and ##STR2## wherein R.sup.4 is a member selected from the group consisting of hydrogen, Br, Cl, CH.sub.3, OCH.sub.3, NO.sub.2, N(CH.sub.3).sub.3 and CN; R.sup.5 is selected from the group consisting of hydrogen and Cl, with the proviso that when R.sup.5 is Cl, R.sup.4 is hydrogen or Cl; and R.sup.3 is selected from the group consisting of hydrogen, phenyl, 2-thienyl, 4-pyridyl and naphthyl, with the proviso that when R.sup.3 is naphthyl, R.sup.1 and R.sup.2 are hydrogen.

REFERENCES:
patent: 3753985 (1973-08-01), Gavin et al.

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