SYNTHESIS OF TETRACYCLINES AND INTERMEDIATES THERETO
申请人:Myers Andrew G.
公开号:US20120115818A1
公开(公告)日:2012-05-10
Efficient method for preparing the enone intermediate (VII) used in the synthesis of tetracyclines derivatives. In particular, the invention provides a synthesis which allows for substituents at positions 4
a
, 5, 5
a
, and 12
a
of the tetracycline ring system.
申请人:FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
公开号:US20210401996A1
公开(公告)日:2021-12-30
The present invention generally relates to controlled release of tetracycline antibiotics. Specifically, it relates to a complex comprising a tetracycline compound (TC) or a pharmaceutically acceptable salt, hydrate or solvate thereof and a divalent metal carboxylate; a pharmaceutical preparation comprising the complex, methods for manufacturing the complex and the pharmaceutical preparation, and a complex or a pharmaceutical preparation for use in a method for treatment of the human or animal body, in particular for therapy and/or prophylaxis of a bacterial infection; and/or wherein antibiotic activity is maintained over a prolonged period of time; and/or for the therapy and/or prophylaxis of an acute, chronic or recurrent periodontal disease.