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1. WO2020109938 - PROCESSES FOR THE PREPARATION OF SITAGLIPTIN AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF

Publication Number WO/2020/109938
Publication Date 04.06.2020
International Application No. PCT/IB2019/060013
International Filing Date 21.11.2019
IPC
C07C 229/34 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
229Compounds containing amino and carboxyl groups bound to the same carbon skeleton
02having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
34the carbon skeleton containing six-membered aromatic rings
A61K 31/495 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
31Medicinal preparations containing organic active ingredients
33Heterocyclic compounds
395having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
495having six-membered rings with two nitrogen atoms as the only ring hetero atoms, e.g. piperazine
CPC
A61K 31/495
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
31Medicinal preparations containing organic active ingredients
33Heterocyclic compounds
395having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
495having six-membered rings with two ; or more; nitrogen atoms as the only ring heteroatoms, e.g. piperazine ; or tetrazines
C07C 229/34
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
229Compounds containing amino and carboxyl groups bound to the same carbon skeleton
02having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
34the carbon skeleton containing six-membered aromatic rings
Applicants
  • DR. REDDY'S LABORATORIES LIMITED [IN]/[IN]
Inventors
  • MANNE, Nagaraju
  • AALLA, Sampath
  • KANDALA, Sreenadha Charyulu
  • GUVVALA, Venkateshwar Reddy
  • PERUMAL, Gnanamoorthy
  • YARRAGUNTLA, Sesha Reddy
  • KONDRU, Chinnayya
Priority Data
20184104455727.11.2018IN
20194102628501.07.2019IN
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PROCESSES FOR THE PREPARATION OF SITAGLIPTIN AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF
(FR) PROCÉDÉ DE PRÉPARATION DE SITAGLIPTINE ET DE SES SELS PHARMACEUTIQUEMENT ACCEPTABLES
Abstract
(EN)
The present application relates to improved processes for the preparation of Sitagliptin and pharmaceutically acceptable salts thereof. The present application also relates to the improved crystallization process for the preparation of Sitagliptin Phosphate. The present application also relates to the improved crystallization process for the preparation of Sitagliptin Hydrochloride monohydrate.
(FR)
La présente invention concerne un procédé de préparation de Sitagliptin et de ses sels pharmaceutiquement acceptables. La présente invention concerne également un procédé de cristallisation amélioré pour la préparation de phosphate de sitagliptine. La présente invention concerne également un procédé de cristallisation amélioré pour la préparation du chlorhydrate de sitagliptine monohydraté.
Latest bibliographic data on file with the International Bureau