Knowledge Center
Patent / Jan 01, 1973
Antibiotic tetracycline complexes
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.
Also in the Knowledge Center
Scientific Article
/ Jan 01, 2007
Process for the manufacture of iohexol by the alkylation of 5-acetamido-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide with 1-chloro-2,3-propanediol using 2-(2-methoxyethoxy)ethanol as the reaction solvent
Read more
Scientific Article
Scientific Article