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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.
Rights: openAccess
Appears in Collections:FCTUC Química - Artigos em Revistas Internacionais

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