Invention Grant
- Patent Title: Synthesis of levomethadone hydrochloride or dextromethadone hydrochloride and methods for use thereof
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Application No.: US15245935Application Date: 2016-08-24
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Publication No.: US10040752B2Publication Date: 2018-08-07
- Inventor: Gnel Mkrtchyan , Qingwei Yao
- Applicant: Cody Laboratories, Inc.
- Applicant Address: US WY Cody
- Assignee: Cody Laboratories, Inc.
- Current Assignee: Cody Laboratories, Inc.
- Current Assignee Address: US WY Cody
- Agency: Merchant & Gould, P.C.
- Main IPC: C07C221/00
- IPC: C07C221/00 ; C07C225/16 ; C07C213/00 ; C07C227/18 ; C07C253/30
Abstract:
Highly efficient methods for synthesis of levomethadone hydrochloride or dextromethadone hydrochloride are provided starting from D-alanine, or L-alanine, respectively, with retention of configuration. Methods for treating a subject are provided comprising administering a composition comprising an effective amount of levomethadone hydrochloride having not more than 10 ppm dextromethadone.
Public/Granted literature
- US20170057909A1 SYNTHESIS OF LEVOMETHADONE HYDROCHLORIDE OR DEXTROMETHADONE HYDROCHLORIDE AND METHODS FOR USE THEREOF Public/Granted day:2017-03-02
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