The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 06, 2015
Filed:
Oct. 18, 2011
Ravindranath Vishnu Newadkar, Thane Maharashtra, IN;
Avinash Changdeo Gaikwad, Majiwade Thane Maharashtra, IN;
Ajay Madhukar Harad, Kalyan, IN;
Ravindranath Vishnu Newadkar, Thane Maharashtra, IN;
Avinash Changdeo Gaikwad, Majiwade Thane Maharashtra, IN;
Ajay Madhukar Harad, Kalyan, IN;
Laboratorios Lesvi, S.L., Barcelona, ES;
Abstract
The present invention provides a process for obtaining dronedarone or salts thereof characterized in that in an organic phase comprising one or more non-polar solvents, 5-amino-3-[4-(3-di-n-butylaminopropoxy)benzoyl]-2-n-butyl-benzofuran is reacted with methane sulfonyl chloride without the addition of a base. The invention also provides a process for obtaining intermediates of dronedarone environmentally friendly and industrially viable.