Synthesis of benzo[b]thieno- and benzo[b]furano-[2,3-a]pyrrolo[3,4-c]carbazole-5-, -7- and -5,7-dione
作者:Robert L. Hudkins、Neil W. Johnson
DOI:10.1002/jhet.5570380306
日期:2001.5
Benzo[b]thieno[2,3-a]pyrrolo[3,4-c]carbazoles and benzo[b]furano[2,3-a]pyrrolo[3,4-c]carbazoles were prepared from 2-(2-benzo[b]thieno)- (8) and 2-(2-benzo[b]furano)-3-[3-(2,5-dioxo-lH-pyrrolidinyl)]indole (9) by a palladium(II)acetate/tetrachloro-1,4-benzoquinone oxidative A-E ring closure.
苯并[b]噻吩并[2,3-a]吡咯并[3,4-c]咔唑和苯并[b]呋喃基[2,3-a]吡咯并[3,4-c]咔唑是从2-(2 -钯(II)-苯并[b]噻吩并)-(8)和2-(2-苯并[b]呋喃基)-3- [3-(2,5-二氧代-1H-吡咯烷基)]吲哚(9)乙酸盐/四氯-1,4-苯醌氧化AE闭环。