Regioselective halogenation of nicotine and substituted nicotines
申请人:Comins L. Daniel
公开号:US20050131030A1
公开(公告)日:2005-06-16
A first aspect of the present invention is a method for of making a compound of Formula Ia or Formula Ib:
wherein X is halo, by (a) metalating a precursor compound to form an organometallic intermediate, and then reacting the organometallic intermediate with a halogenating agent to produce the compound of Formula Ia or Formula Ib.