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Palladium-catalyzed cyclization of alkenyl and aryl halides containing α, β-Unsaturated carbonyl groups via intramolecular carbopalladation
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Palladium-catalyzed cyclization of alkenyl and aryl halides containing α, β-Unsaturated carbonyl groups via intramolecular carbopalladation

Brian O'Connor, Yantao Zhang, Ei-ichi Negishi, Fen-Tair LuoJya-Wei Cheng
Tetrahedron Letters, 卷.29(32), 頁碼.3903-3906
1988

摘要

Biochemistry Drug Discovery Organic Chemistry
Treatment of alkenyl and aryl iodides and bromides containing an appropriate α, β-unsaturated carbonyl group with a catalytic amount (3-5 mol %) of either a Pd(O) or a Pd(II) complex, e.g., Pd(PPh 3 ) 4 , and a base, e.g., NEt 3 , can induce highly regioselective cyclization via intramolecular carbopalladation; formation of exocyclic alkenes can also be highly stereoselective. © 1988.

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