Suresh, J. R. ; Barun, Okram ; Ila, H. ; Junjappa, H. (2000) α-Oxoketene dithioacetals mediated benzoannelation of aromatic heterocycles: an efficient regiocontrolled synthesis of highly substituted and polycyclic benzo[b]thiophenes Tetrahedron, 56 (41). pp. 8153-8160. ISSN 0040-4020
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00404...
Related URL: http://dx.doi.org/10.1016/S0040-4020(00)00722-5
Abstract
An efficient regiocontrolled synthesis of highly substituted and complex polycyclic benzo[b]thiophenes has been developed via our benzoannelation strategy involving conjugate addition-displacement on a variety of α-oxoketene dithioacetals by carbanions derived from 2- and 3-cyanomethylthiophenes followed by acid induced cyclization of the resulting conjugate adducts.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | α-oxoketene Dithioacetals; Aromatic Annelation; Benzo[b]thiophenes |
| ID Code: | 15285 |
| Deposited On: | 13 Nov 2010 13:00 |
| Last Modified: | 03 Jun 2011 04:53 |
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