Kumar, Sarvesh ; Ila, Hiriyakkanavar ; Junjappa, Hiriyakkanavar (2007) Heteroaromatic annulation studies on 10,11-dihydro-11-[bis(methylthio)methylene]dibenzoxepin-10-one: a facile access to novel dibenzoxepino[4,5]-fused heterocycles Tetrahedron, 63 (40). pp. 10067-10076. ISSN 0040-4020
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00404...
Related URL: http://dx.doi.org/10.1016/j.tet.2007.07.045
Abstract
10,11-Dihydro-11-[bis(methylthio)methylene]dibenzoxepin-10-one has been shown to be a useful three carbon synthon for the efficient regiospecific annulation of a variety of five- (pyrazoles, isoxazoles, thiophene, and γ-lactone) and six-membered (pyrimidines, pyridone and pyridines) heterocycles by cyclocondensation with heterobinucleophiles such as hydrazine, hydroxylamine, dimethylsulfonium methylide, guanidine, thiourea, cyanoacetamide, and substituted β-lithioaminoacrylonitrile.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Heteroaromatic Annulation; α-oxoketene Dithioacetal; Dibenzoxepine; Heterocycles |
| ID Code: | 24068 |
| Deposited On: | 29 Nov 2010 10:30 |
| Last Modified: | 22 Feb 2011 04:50 |
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