FIELD: organic chemistry, pharmaceutical industry.
SUBSTANCE: invention relates to clathrate of azithromycin hydrate with 1,2-propyleneglycol of formula I
, wherein m =1-2 and n = 0.20-0.40. Method for production of target compound includes azithromycin dissolution in acetone followed by addition of 1,2-propyleneglycol and water in solution, formed crystal filtering, washing with water and drying. Also disclosed is pharmaceutical composition for microbial infection treatment based on clathrate of formula I.
EFFECT: azithromycin with reduced hygroscopicity and increased storage stability.
7 cl, 7 dwg, 2 tbl, 4 ex
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Authors
Dates
2005-06-10—Published
2002-04-25—Filed