Invention Grant
- Patent Title: Process for the preparation of benzhydrocodone hydrochloride
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Application No.: US15692430Application Date: 2017-08-31
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Publication No.: US10406153B2Publication Date: 2019-09-10
- Inventor: Wen-Chun Zhang , Bruce P. Johnson
- Applicant: Noramco, Inc.
- Applicant Address: US DE Wilmington
- Assignee: Noramco, Inc.
- Current Assignee: Noramco, Inc.
- Current Assignee Address: US DE Wilmington
- Agency: Alston & Bird, LLP
- Main IPC: A61K31/485
- IPC: A61K31/485 ; C07D489/04 ; A61P23/00
Abstract:
The invention is directed to processes for the preparation of benzhydrocodone hydrochloride. More particularly, the invention is directed to processes for a one-pot synthesis of benzhydrocodone hydrochloride of improved yield and/or purity.
Public/Granted literature
- US20180055836A1 PROCESS FOR THE PREPARATION OF BENZHYDROCODONE HYDROCHLORIDE Public/Granted day:2018-03-01
Information query
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