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https://hdl.handle.net/10316/5135
Title: | Reactivity of azafulvenium methides derived from pyrrolo[1,2-c]thiazole-2,2-dioxides: synthesis of functionalised pyrroles | Authors: | Melo, Teresa M. V. D. Pinho e Soares, Maria I. L. Gonsalves, António M. d'A. Rocha McNab, Hamish |
Keywords: | 1-Azafulvenium methides; N- and C-Vinylpyrroles; 1,3-Dimethyl-5-oxo-5H-pyrrolizine-2-carboxylate; 1-Aza-benzo[f]azulene-3-carboxylate | Issue Date: | 2004 | Citation: | Tetrahedron Letters. 45:20 (2004) 3889-3893 | Abstract: | Extrusion of sulfur dioxide from pyrrolo[1,2-c]thiazole-2,2-dioxides led to the synthesis of functionalised pyrroles via the generation of 1-azafulvenium methides. Sealed tube reaction conditions allowed the synthesis of N- and C-vinylpyrroles whereas from FVP methyl 1,3-dimethyl-5-oxo-5H-pyrrolizine-2-carboxylate and 4-oxo-1,4-dihydro-1-aza-benzo[f]azulene-3-carboxylates were obtained. These last compounds could also be obtained from the FVP of the N- and C-vinylpyrroles. | URI: | https://hdl.handle.net/10316/5135 | DOI: | 10.1016/j.tetlet.2004.03.111 | Rights: | openAccess |
Appears in Collections: | FCTUC Química - Artigos em Revistas Internacionais |
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