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5-Oxytetracycline

Chemical Name 4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,6,10,12,12a-hexa-hydroxy-6-methyl-1,1 1 -dioxo-2-naphthacenecarboxamide [Pg.1152]

Trade Name Manufacturer Country Year Introduced [Pg.1153]

Bacterium Streptomyces rimosus Soybean meal Carelose (glucose) [Pg.1153]

Distillers solubles Sodium chloride Distilled water to 1,000 ml [Pg.1153]

The pH was adjusted to 7.0 with sodium hydroxide and calcium carbonate was added at the rate of 1 g/l. [Pg.1153]


Tetracyclines are produced by various Streptomyces strains and are extensively applied in human and veterinary medicine. They display a broad spectrum of antimicrobial activity in combination with low toxicity and can be applied orally. The most commonly prescribed tetracycline drugs are tetracycline itself and oxytetracycline, an oxygenated derivative, which are directly isolated from fermentation liquors, and doxycycline whose partial synthesis from oxy-... [Pg.316]

ALKALI AND Cm ORINE PRODUCTS - CbE ORINE AND SODIUMHYDROXIDE] (Vol 1) Oxytetracycline [79-57-2]... [Pg.714]

Veterinary Potential or Fiorfenicol. The absolute ban on the use of chloramphenicol ia food producing animals ia the United States and Canada has accentuated the need for an effective broad spectmm antibiotic ia animal food medicine. Fiorfenicol and other antibiotics commonly used ia veterinary medicine have been evaluated in vitro against a variety of important veterinary and aquaculture pathogens. Some of these data ate shown in Tables 4 and 5, respectively. Fiorfenicol was broadly active having MICs lower than those of chloramphenicol in each of the genera tested (Table 4). Florfenicol was also superior to chloramphenicol, thiamphenicol, oxytetracycline [79-57-2] ampicillin [69-53-4] and oxolinic acid [14698-29-4] against the most commonly isolated bacterial pathogen of fish in Japan (Table 5) (37). [Pg.515]

Most polymyxin B sold for human use in the United States is in dermatological, otic, and ophthalmic preparations that usually contain one or more other spectmm extending antibacterials such as bacitracin, neomycin sulfate [1404-04-2], C23H4gNg023, linear gramicidin, oxytetracycline [79-57-2],... [Pg.148]

Fig. 1. Tetracycline (1) and its derivatives chlortetracycline (7-chlorotetracycline) (2) oxytetracycline (5-hydroxytetracycline) (3), demeclocycline (6-demethyl-7-chlorotetracycline) (4) methacycline (6-demethyl-6-deoxy-5-hydroxy-6-methylenetetracycline) (5) doxycycline (6a-deoxy-5-hydroxytetracycline) (6) and minocycline (6-demethy1-6-deoxy-7-dimethy1 amino tetracycline) (7). Substituents at positions not specifically... Fig. 1. Tetracycline (1) and its derivatives chlortetracycline (7-chlorotetracycline) (2) oxytetracycline (5-hydroxytetracycline) (3), demeclocycline (6-demethyl-7-chlorotetracycline) (4) methacycline (6-demethyl-6-deoxy-5-hydroxy-6-methylenetetracycline) (5) doxycycline (6a-deoxy-5-hydroxytetracycline) (6) and minocycline (6-demethy1-6-deoxy-7-dimethy1 amino tetracycline) (7). Substituents at positions not specifically...
The overall biosynthetic pathway to the tetracychnes has been reviewed (74). Studies (75—78) utilising labeled acetate and malonate and nmr analysis of the isolated oxytetracycline (2), have demonstrated the exclusive malonate origin of the tetracycline carbon skeleton, the carboxamide substituent, and the folding mode of the polyketide chain. Feeding experiments using [1- 02] acetate and analysis of the nmr isotope shift effects, led to the location of... [Pg.181]

The infection can be cured most readily with tetracycline (7), oxytetracycline (3), or chlorotetracycline (20). Metronidazole (1) and iodoquinol (2) are also effective. Additional effective dmgs include paromomycin (8), tinidazole (11), sulfadiazine (25), and carbarsone [121 -59-4] (31, -ureidobenzenearsonic acid, CyH AsN204, Ameban). [Pg.264]

There are no hiUy effective therapeutic agents for the treatment of thederiasis. Chlorotetracycline (20) and oxytetracycline (3) have therapeutic activity duting the iacubation period. Pamaquiae (68) was reported to have a specific effect on the erythrocyctic forms. Other dmgs with limited efficacy are imidocarb (19) on T annulata halofugiaone (45) on both T annulata and T parva and the naphthoquiaones menoctone (76), parvaquone (88), and buparvaquone (89) on T parva. Methotrexate (90) has been found to be active in vitro (Table 9). [Pg.275]

Under current regulations, chemicals allowed for use in various European countries (Table 3) are either fully Hcensed for aquacultural use (oxytetracycline, oxolinic acid) or can be prescribed by veterinarians if they are Hcensed for use on other food animals (14—16). In addition, previously unHcensed chemicals that are appHed to the water (topicals) may now be used under a grandfather clause if no one questions their safety. The question of whether a chemical is a medicine or a pesticide has also been addressed. Eor example, dichlorvos (Nuvan 500 EC) was initially designated as a pesticide in the United Kingdom, but was later categorized as a medicine. A similar product, trichlorfon (Masoten), was treated the same way in the United States. [Pg.323]


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