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Patent / Jan 01, 1977

Polyphosphate complexes of 6-demethyl-6-deoxy-6-methylenetetracycline and its 11a-halo derivatives

Authors:

Ivan Villax

Source:

ES 420504

5-Hydroxytetracycline 6,12-hemiacetal 12-phosphite was dehydrated by P2O5 to give 6-deoxy-6-demethyl-6-methylene-5-hydroxytetracycline polymetaphosphate. Similarly prepd. was 11a-chloro-6-deoxy-6-demethyl-6-methylene-5-hydroxytetracycline metaphosphate.

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Knowledge Center

Polyphosphate complexes of 6-demethyl-6-deoxy-6-methylenetetracycline and its 11a-halo derivatives

Also in the Knowledge Center

Amorphous form of chelating agents and process for preparing them

Macrocyclic lactone formulations, methods of their preparation and use of the formulations in treating pathologies secondary to ophthalmic parasites

A multicentre, randomized, double‐masked, parallel group, vehicle‐controlled phase IIb study

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