Knowledge Center
Patent / Jan 01, 1972
Polymetaphosphate complexes of .alpha.-6-deoxy-5-hydroxy tetracyclines
Source:
DE 2152476
The title Na phosphate complexes, useful as antibiotics and more sol. in water than the corresponding acid complexes, were prepd. by reaction of the tetracycline with Na hexametaphosphate or HPO3 then NaOH in an inert org. solvent, e.g., DMF, EtOH, MeOH, or CHCl3.
Also in the Knowledge Center
Scientific Article
/ May 06, 2021
Dry powder inhaler formulation of Cu,Zn-superoxide dismutase by spray drying: A proof-of-concept
Read more
Scientific Article
/ Sep 25, 2021
Dry powder inhaler formulation comparison: Study of the role of particle deposition pattern and dissolution
Read more
Scientific Article