Back to results
US 2017/0362197 A1Published application
Fluoroquinolone carboxylic acid compounds and use thereof for the preparation of besifloxacin hydrochloride
AssigneeMankind Research Centre
InventorsJigar Bhavsar, Bhuwan Bhashkar, Anil Kumar
Life of this patent
Estimating the term…
Abstract
The present invention relates to novel fluoroquinolone carboxylic acid compounds and derivatives of Formula-I, and their salts wherein, R represents H or halogen. The present invention also relates to the use of novel fluoroquinolone carboxylic acid compounds and derivatives of Formula-I for preparation of Besifloxacin hydrochloride.
Claims11
Fluoroquinolone carboxylic acid compounds and derivatives of Formula-I, and salts thereof;
- wherein, R is hydrogen or a halogen.
A process for preparation of Fluoroquinolone carboxylic acid compounds and derivatives of Formula-I and salts thereof;
- wherein, R represents hydrogen or halogen;
- the process comprising:
- reacting Schiff base of Formula-XIII with 8-chloro-1-cyclopropyl-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid of Formula-VII;
- wherein, R is hydrogen or a halogen.
1 more element
Dependencies are inferred from the claim text.