Invention Grant
- Patent Title: Processes for the preparation of hydroxylamines
- Patent Title (中): 制备羟胺的方法
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Application No.: US12135299Application Date: 2008-06-09
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Publication No.: US07919627B2Publication Date: 2011-04-05
- Inventor: Datong Tang , Yao-Ling Qiu , Heejin Kim , Yat Sun Or , Zhe Wang
- Applicant: Datong Tang , Yao-Ling Qiu , Heejin Kim , Yat Sun Or , Zhe Wang
- Applicant Address: US MA Watertown
- Assignee: Enanta Pharmaceuticals, Inc.
- Current Assignee: Enanta Pharmaceuticals, Inc.
- Current Assignee Address: US MA Watertown
- Agency: Elmore Patent Law Group PC
- Agent Edgar W. Harlan; Carolyn S. Elmore
- Main IPC: C07D401/04
- IPC: C07D401/04
Abstract:
The present invention relates generally to novel methods for the synthesis of O-(6-pyrazol-1-yl-pyridin-3-ylmethyl)-hydroxylamine which is an essential reagent in the synthesis of one of the bridged erythromycin derivatives and their respective pharmaceutically acceptable salts in PCT Application WO 03/097659 A1. In particular, the present invention relates to processes and intermediates for the preparation of a compound of formula (Ia):
Public/Granted literature
- US20080242865A1 PROCESSES FOR THE PREPARATION OF HYDROXYLAMINES Public/Granted day:2008-10-02
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