Strong base induced cycloaddition of 3-carboxy-1-methylindole-2-acetic anhydride and 2-carboxybenzo [b] furan-3-acetic anhydride: synthesis of polycyclic peri- …
Y Tamura, S Mohri, H Maeda, T Tsugoshi, M Sasho…
文献索引：Tamura, Y.; Mohri, S.; Maeda, H.; Tsugoshi, T.; Sasho, M.; Kita, Y. Tetrahedron Letters, 1984 , vol. 25, p. 309 - 312
Abstract Generation of indole-and benzofuran-2, 3-orthoquinodimethane-like intermediates is described. The cycloaddition reaction of these intermediates to dienophiles provided an efficient one-pot synthesis of polycyclic perihydroxylated indole and benzofuran compounds.
![5-methyl-4H-pyrano[4,3-b]indole-1,3-dione结构式](https://image.chemsrc.com/caspic/033/57949-80-1.png)
