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Rekha Singh 《Tetrahedron letters》2005,46(28):4719-4722
A highly regio- and stereoselective [Pd(allyl)Cl]2 catalyzed Heck reaction of aryl iodides and electronically neutral terminal olefins generated in situ by fluoride induced protiodesilylation of alkenylsilanol derivatives under mild conditions has been developed. The products, viz. terminally substituted styrenes and (E)-1,4-diaryl-1-butenes were obtained in very good yields. The dibenzylbutyrolactone lignan skeletons have been prepared employing two regio- and stereoselective Bu3SnH-mediated radical cyclization routes. 相似文献
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