| abstract |
A novel chemically modified 4-dedimethylaminotetracycline compound is provided. A 4-dedimethylaminotetracycline compound having the following structure P (Wherein R 8 is hydrogen and R 9 is nitro), and 9-amino-4-dedimethylamino-6-deoxytetracycline, 4-dedimethylamino-6-deoxy-9-nitro Tetracycline, 9-acetamido-4-dedimethylamino-6-deoxytetracycline, 9-dimethylaminoacetamido-4-dedimethylamino-6-deoxytetracycline, and 4-dedimethylamino-6-deoxy-9-partamide tetracycline Compound [selection figure] None |