Patent · US Active

Method of preparation of crystal forms of 4-(cyclopropylmethoxy)-n-(3,5-dichloro-1-oxidopyridyn-4-yl)-5-methoxypyridine-2-carboxamide and crystal forms thereof

US9533953B2 · kind B2 · utility

0Cited by

0References

5Claims

0Family size

Assignee

Sanofi · FR

Inventors

Pascal Billot · Paris, FR
Didier Brige · Paris, FR
Alexandre Giuliani · Villecresnes, FR
Hagit Elmaleh · Paris, FR
Marc-Antoine Perrin · Jouy-en-Josas, FR

Key dates

Filing date	Nov 28, 2013
Grant date	Jan 3, 2017
Priority date	—
Expiry date	Nov 28, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P25/28
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention relates to a process of preparation of Crystal Forms of 4-(cyclopropylmethoxy)-N-(3,5-dichloro-1-oxidopyridin-4-yl)-5-methoxypyridine-2-carboxamide of formula (I), said Crystal Forms which are designated as Crystal Forms A to I A and their use as a medicament.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.