Purification of cinacalcet

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters

Reexamination Certificate

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C560S028000, C514S487000

Reexamination Certificate

active

11440246

ABSTRACT:
Isolated cinacalcet carbamate, processes for the preparation thereof, and processes for the use of cinacalcet carbamate as a reference marker and standard are provided. Also provided are cinacalcet salts substantially free of cinacalcet carbamate, and processes for the preparation thereof.

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