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1. WO2020065668 - CRYSTALLINE FORM OF OZENOXACIN AND PROCESSES FOR PREPARATION THEREOF

Publication Number WO/2020/065668
Publication Date 02.04.2020
International Application No. PCT/IN2019/050697
International Filing Date 24.09.2019
IPC
C07C 309/15 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
309Sulfonic acids; Halides, esters, or anhydrides thereof
01Sulfonic acids
02having sulfo groups bound to acyclic carbon atoms
03of an acyclic saturated carbon skeleton
13containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
14containing amino groups bound to the carbon skeleton
15the nitrogen atom of at least one of the amino groups being part of any of the groups X being a hetero atom, Y being any atom
CPC
C07C 309/15
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
309Sulfonic acids; Halides, esters, or anhydrides thereof
01Sulfonic acids
02having sulfo groups bound to acyclic carbon atoms
03of an acyclic saturated carbon skeleton
13containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
14containing amino groups bound to the carbon skeleton
15the nitrogen atom of at least one of the amino groups being part of any of the groups , X being a hetero atom, Y being any atom
Applicants
  • MAITHRI DRUGS PVT LTD [IN]/[IN]
  • CHAKILAM, Nagaraju [IN]/[IN]
Inventors
  • CHAKILAM, Nagaraju
  • ACHAMPETA KODANDA, Ramprasad
  • REBELLI, Pradeep
  • KONDAKA, Tavitayya
Common Representative
  • CHAKILAM, Nagaraju
Priority Data
20184103634326.09.2018IN
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) CRYSTALLINE FORM OF OZENOXACIN AND PROCESSES FOR PREPARATION THEREOF
(FR) FORME CRISTALLINE DE L'OZÉNOXACINE ET PROCÉDÉS DE PRÉPARATION ASSOCIÉS
Abstract
(EN)
The present invention relates to a crystalline form of 1-cyclopropyl-8-methyl-7- (5-methyl-6-(methylamino)pyridin-3-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid the compound of formula-1, which is represented by the following structural formula-1. The present invention also relates to the process for preparation of crystalline form of compound of formula-1 and process for the preparation of the compound of formula-1.
(FR)
La présente invention concerne une forme cristalline de l'acide 1-cyclopropyl-8-méthyl-7-(5-méthyl-6-(méthylamino)pyridin-3-yl)-4-oxo-1,4-dihydroquinoléine-3-carboxylique, composé de formule-1, représentée par la formule structurale suivante-1. La présente invention concerne également un procédé de préparation de la forme cristalline du composé de formule-1 et un procédé de préparation du composé de formule-1.
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