| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5261230 | Tetrahedron Letters | 2014 | 4 Pages |
Abstract
A versatile synthesis of symmetrically and unsymmetrically substituted thiopyrano[2,3-b:6,5-bâ²]diindoles has been developed by the condensation of 2-(alkylthio)-indole-3-carbaldehydes with indoline-2-thiones in the presence of catalytic amount of ethylenediamine diacetate (EDDA). The EDDA mediated condensation leads to a spontaneous cyclization followed by aromatization to form thiopyrano[2,3-b:6,5-bâ²]diindoles in quantitative yields.
Related Topics
Physical Sciences and Engineering
Chemistry
Organic Chemistry
![A new route to the versatile synthesis of thiopyrano[2,3-b:6,5-bâ²]diindoles via 2-(alkylthio)-indole-3-carbaldehydes](/preview/png/5261230.png "First Page Preview: A new route to the versatile synthesis of thiopyrano[2,3-b:6,5-bâ²]diindoles via 2-(alkylthio)-indole-3-carbaldehydes")
Authors
Mukund Jha, Michael Edmunds, Kate-lyn Lund, Ashley Ryan,