Identification and Suppression of a Dimer Impurity in the Development of Delafloxacin
摘要:
Delafloxacin is a 6-fluoroquinolone antibiotic which is under development at Rib-X Pharmaceuticals. During initial scale-up runs to prepare delafloxacin, up to 0.43% of a new impurity arose in the penultimate chlorination step. This was identified as a dimeric adduct of delafloxacin. Subsequent application of design of experiments (DoE) led to the identification of the factors responsible for this impurity. Implementation of the knowledge gained from the DoE reproducibly enabled the suppression of this impurity to acceptable levels.
The present invention relates to the field of synthesizing anti-infective compounds. More particularly, the invention relates to synthesizing a family of quinolone compounds useful as anti-infective agents. The invention includes a process for preparing a quinolone compound wherein less than about 0.40% of dimeric impurity of the quinolone is produced.
The present invention relates to the field of synthesizing anti-infective compounds. More particularly, the invention relates to synthesizing a family of quinolone compounds useful as anti-infective agents. The invention includes a process for preparing a quinolone compound wherein less than about 0.40% of dimeric impurity of the quinolone is produced.
PHARMACEUTICAL FORMULATION CONTAINING A QUINOLONE DERIVATIVE
申请人:Melinta Subsidiary Corp.
公开号:EP3766876A1
公开(公告)日:2021-01-20
The present invention relates to the field of synthesizing anti-infective compounds. More particularly, the invention relates to synthesizing a family of quinolone compounds useful as anti-infective agents. The invention includes a process for preparing a quinolone compound wherein less than about 0.40% of dimeric impurity of the quinolone is produced.