[EN] SALTS AND POLYMORPHS OF A TETRACYCLINE COMPOUND<br/>[FR] SELS ET POLYMORPHES D'UN COMPOSÉ TÉTRACYCLINE
申请人:PARATEK PHARM INNC
公开号:WO2009143509A1
公开(公告)日:2009-11-26
Crystalline forms, including salts and polymorphs, of a compound useful in the treatment of tetracycline compound-responsive states are provided herein. The crystalline compounds are useful for the treatment or prevention of conditions and disorders such as bacterial infections and neoplasms, as well as other known applications for tetracycline compounds in general.
Synthesis development of an aminomethylcycline antibiotic via an electronically tuned acyliminium Friedel–Crafts reaction
作者:John Y.L. Chung、Frederick W. Hartner、Raymond J. Cvetovich
DOI:10.1016/j.tetlet.2008.08.011
日期:2008.10
With the goal of improving the synthetic efficiency, the development of a convergent synthesis of a minocycline derivative PTK0796 via an intermolecular acyliminium Friedel–Crafts reaction (Tscherniac–Einhorn reaction) is described. The entire C9 neopentylaminomethyl side chain was installed in one step using an electronically optimized chloromethylacyliminium precursor in 83% yield. Deprotection and
[EN] CRYSTALLINE FORMS OF OMADACYCLINE, METHODS OF SYNTHESIS THEREOF AND METHODS OF USE THEREOF<br/>[FR] FORMES CRISTALLINES D'OMADACYCLINE, LEURS PROCÉDÉS DE SYNTHÈSE ET LEURS PROCÉDÉS DE PRÉPARATION
申请人:PARATEK PHARM INNC
公开号:WO2021252876A1
公开(公告)日:2021-12-16
The present invention provides omadacycline crystalline freebase and methods of synthesis thereof. The present invention also provides pharmaceutical compositions comprising omadacycline crystalline freebase and methods of use thereof for treating bacterial infections. The present invention also provides methods of purifying crude omadacycline freebase that comprise crystallization to produce crystalline omadaccyline freebase. The omadacycline crystalline freebase may also be used to prepare salts of omadacycline, e.g., a tosylate salt.