Synthesis of furan-, thiophene- and pyrrole-fused sultines and their application in Diels–Alder reactions
作者:Wen-Sheng Chung、Wen-Ju Lin、Wen-Dar Liu、Liang-Gyi Chen
DOI:10.1039/c39950002537
日期:——
The synthesis of 1,4-dihydrofurano[3,4-d]-3,2-oxathiine 2-oxide 8, 5,7-dimethyl-1,4-dihydrothieno[3,4-d]-3,2-oxathiine 2-oxide 9 and 1,4-dihydro-6-tosylpyrrolo[3,4-d]-3,2-oxathiine 2-oxide 10, precursors for nonclassical heteroaromatic o-quinodimethanes, and their application in the DielsâAlder reactions are reported.
1,4-二氢呋喃并[3,4-d]-3,2-氧硫氨酸 2-氧化物 8、5,7-二甲基-1,4-二氢噻吩并[3,4-d]-3,2-氧硫氨酸 2-氧化物 9 和 1,4-二氢-6-对甲苯磺酰基吡咯并[3,4-d]-3,2-氧硫氨酸 2-氧化物 10 的合成及其在 DielsâAld烷中的应用4-d]-3,2-oxathiine 2-oxide 10 的前体,以及它们在 DielsâAlder 反应中的应用。