2,3-Dihydro-1,4-dioxin in Organic Chemistry; Part II.<sup>1</sup>Palladium-Catalyzed Acylations of 5-Tributylstannyl-2,3-dihydro-1,4-dioxin: Preparation of 5-Acyl-2,3-dihydro-1,4-dioxins
作者:Valérie Blanchot、Marcel Fétizon、Issam Hanna
DOI:10.1055/s-1990-27005
日期:——
5-Tributylstannyl-2,3-dihydro-1,4-dioxin, readily prepared from 5-lithio-2,3-dihydro-1,4-dioxin and chlorotributyltin, smoothly undergoes palladium-catalyzed coupling reactions with acid chlorides, affording 5-acyl- 2,3-dihydro-1,4-dioxin in high yield.
5-三丁基锡基-2,3-二氢-1,4-二氧烯可通过5-锂基-2,3-二氢-1,4-二氧烯和氯化三丁基锡的反应轻易制备,随即在钯催化下与酸氯化物发生偶联反应,产物是5-酰基-2,3-二氢-1,4-二氧烯,收率很高。