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Patent / Jan 01, 1973

Antibiotic tetracycline complexes

Authors:

Ivan Villax

Source:

FR 2111952

Complexes of doxycycline and its salts with metaphosphoric acid were prepd. that gave higher blood antibiotic levels faster than doxycycline hydrochloride hemiethanolate hemihydrate. Thus 23.1 g doxycycline was treated with 4 g metaphosphoric acid to give 24.9 g of a 1:1-complex.

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Knowledge Center

Antibiotic tetracycline complexes

Also in the Knowledge Center

Process for the preparation of purified crystalline iohexol by crystallization using ethanol

Process for the preparation of crystalline and solvent-free iohexol

Isolation and x-ray crystal structure analysis of a hydrazine-containing rhodium catalyst, [(MeOH)2H]+[RhCl4(PPh3)(NHMeNHMe)]-

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