Regioselective Synthesis of Multisubstituted Benzenes by Palladium-Catalyzed Intermolecular Reaction of β‑Iodo-β-silylstyrenes with Alkynes
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The Pd-catalyzed reaction between β-iodo-β-silylstyrenes and terminal alkynes in i-Pr2NEt gave 1,2,3,5-tetrasubstituted benzenes with complete regioselection. The use of certain silylacetylenes as alkynes enabled efficient synthesis of 1,3,5-trissilyl-2-arylbenzenes, which could be transformed into other multisubstituted benzenes by displacement of the silyl groups.
创建时间：
2013-06-21
