NHC-Ag(I)-Catalyzed Three-Component 1,3-Dipolar Cycloaddition To Provide Polysubstituted Dihydro-/Tetrahydrofurans
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下载链接：
https://figshare.com/articles/dataset/NHC_Ag_I_Catalyzed_Three_Component_1_3_Dipolar_Cycloaddition_To_Provide_Polysubstituted_Dihydro_Tetrahydrofurans/2097517
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资源简介：
A new
method was developed to synthesize polyfunctionalized dihydrofuran
and tetrahydrofuran derivatives from the three-component [2 + 2 +
1] cycloaddition of the diazoesters with aryl/alkenyl aldehydes and
alkyne/olefin dipolarophiles by using a Ag(I) N-heterocyclic
carbene complex as the catalyst. A carbonyl ylide intermediate was
generated, which undertook an endo-type 1,3-dipolar
cycloaddition to provide the desired dihydro-/tetrahydrofurans in
high regio- and diastereoselectivities by using α-aryl or α-alkenyl
diazoesters.
创建时间：
2016-02-12
