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:
Jul. 01, 2025
Filed:
Jan. 17, 2021
Lupin Limited, Maharastra, IN;
Rajender Kumar Kamboj, Pune Maharashtra, IN;
Kamlesh Jyotindra Padiya, Pune Maharashtra, IN;
Kamalakannan Prabakaran, Pune Maharashtra, IN;
Kumar Ram Naik, Pune Maharashtra, IN;
Bhavani Shankar Rajesh, Pune Maharashtra, IN;
Ganpati Powar Rajendra, Pune Maharashtra, IN;
Subhash Ingawale Sachin, Pune Maharashtra, IN;
Dattatray Karche Amit, Pune Maharashtra, IN;
Shankar Dange Santoshkumar, Pune Maharashtra, IN;
Barve Sitaram Rambhau, Pune Maharashtra, IN;
LUPIN LIMITED, Maharastra, IN;
Abstract
This disclosure describes an economical and scalable method and process to synthesize the Calcium sensing receptor (CaSR) modulating agent 2-methyl-5-((2R,4S)-2-((((R)-1-(naphthalen-1-yl)ethyl)amino)methyl)chroman-4-yl)benzoic acid, its intermediates and pharmaceutically acceptable salts therefor. Uses of said intermediates for synthesis of compounds which may be intermediates to the synthesis of 2-methyl-5-((2R,4S)-2-((((R)-1-(naphthalen-1-yl)ethyl)amino)methyl)chroman-4-yl)benzoic acid are also described herein.