4-dedimethylaminotetracycline derivatives

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – 3,10-dihydroxy-2-naphthacene carboxamide or derivative doai

Reexamination Certificate

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C552S203000

Reexamination Certificate

active

06894036

ABSTRACT:
The present invention provides new chemically modified 4-dedimethylaminotetracycline compounds that can be substituted with aryl, alkenyl, or alkynyl groups. The 7, 8, and/or 9 positions and methods for preparing such compounds. Other tetracycline compounds include the 4-dedimethylaminotetracycline derivatives with an oxime group, NH-Alkyl, or N—NH-Alkyl group substituted at the C4 position as well as C2 Mannich derivatives. The present invention also provides a method of treating a mammal suffering from conditions or diseases by administering to the mammal an effective amount of the new chemically modified tetracycline compounds.

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