Regioselective ortho lithiation of halopyridines
摘要:
Regioselective ortho lithiation of 2-, 3-, and 4-halopyridines is achieved with lithium diisopropylamide (78°, tetrahydrofuran) to afford, upon quenching with electrophilic reagents, 2,3- and 3,4-disubstituted pyridines in good to excellent yield.
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DOI:
10.1016/S0040-4039(00)93671-2
被引量:
年份:
1980
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来源期刊
Tetrahedron Letters
1980/01/01
引用走势
2010
被引量:58
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