Process for making 2, 5-substituted pyridine

Invention Grant

US06420565B2 Process for making 2, 5-substituted pyridine 失效

Title translation: 2,5-取代吡啶的制备方法

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Patent Title: Process for making 2, 5-substituted pyridine
Patent Title (中): 2,5-取代吡啶的制备方法
Application No.: US09795027

Application Date: 2001-02-27
Publication No.: US06420565B2

Publication Date: 2002-07-16
Inventor: Paul O'Shea , Xin Wang , Richard Tillyer
Applicant: Paul O'Shea , Xin Wang , Richard Tillyer
Main IPC: C07D21361
IPC: C07D21361

Process for making 2, 5-substituted pyridine

Abstract:

2-lithio-5-halopyridine is formed as a predominant component of a reaction mixture by reacting BuLi with 2,5-dihalopyridine in a non-coordinating solvent.

Abstract(Chinese):

通过使BuLi与2,5-二卤代吡啶在非配位溶剂中反应，形成2-锂 - 5-卤代吡啶作为反应混合物的主要成分。

Public/Granted literature

US20020016470A1 Process for making 2, 5-Substituted pyridine Public/Granted day:2002-02-07

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