Synthesis of Pyrano[4′,3′:2,3]pyrrolo[1,2-a]quinoxalines by Reaction of Aroylpyrroloquinoxalines with Alkyl Vinyl Ethers
作者:S. O. Kasatkina、M. S. Titov、E. E. Stepanova、M. V. Dmitriev、A. N. Maslivets
DOI:10.1134/s1070428018040188
日期:2018.4
Thermally induced [4 + 2]-cycloaddition of 3-aroylpyrrolo[1,2-a]quinoxaline-1,2,4(5H)-triones with alkyl vinyl ethers afforded mixtures of diastereoisomeric (5S*,6aR*)- and (5R*,6aR*)-5-alkoxy-3-aryl-5,6-dihydropyrano[ 4′,3′: 2,3]pyrrolo[1,2-a]quinoxaline-1,2,7(8H)-triones.
3-芳基吡咯并[1,2- a ]喹喔啉-1,2,4(5 H)-三酮与烷基乙烯基醚的热诱导[4 + 2]-环加成反应得到非对映异构体(5 S *,6a R *)的混合物-和(5 R *,6a R *)-5-烷氧基-3-芳基-5,6-二氢吡喃并[4',3':2,3]吡咯并[1,2- a ]喹喔啉-1,2, 7(8 H)-三酮。