Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/26848
Title: Functionalization of dipyrromethanes via hetero-Diels–Alder reaction with azo- and nitrosoalkenes
Authors: Pereira, Nelson A. M. 
Lemos, Américo 
Serra, Arménio C. 
Melo, Teresa M.V.D. Pinho e 
Keywords: Dipyrromethanes; Azoalkenes; Nitrosoalkenes; Hetero-Diels–Alder reaction
Issue Date: 20-Mar-2013
Publisher: Elsevier
Keywords: Dipyrromethanes; Azoalkenes; Nitrosoalkenes; Hetero-Diels–Alder reaction
Issue Date: 20-Mar-2013
Publisher: Elsevier
Citation: PEREIRA, Nelson A. M. [et al.] - Functionalization of dipyrromethanes via hetero-Diels–Alder reaction with azo- and nitrosoalkenes. "Tetrahedron Letters". ISSN 0040-4039. Vol. 54 Nº 12 (2013) p. 1553-1557
Abstract: 5,5′-Diethyl- and 5-phenyldipyrromethanes participate in cycloadditions with azo- and nitrosoalkenes giving dipyrromethanes with side chains containing open chain oximes and hydrazones. By controlling reaction stoichiometry it is possible to get mono or 1,9-disubstituted derivatives. The reported methodology gave access to a range of dipyrromethanes with good structural features for various applications. It was demonstrated that reduction of dipyrromethanes containing α-oximino ester groups opens the way to new α-amino esters.
URI: http://hdl.handle.net/10316/26848
ISSN: 0040-4039
DOI: 10.1016/j.tetlet.2013.01.032
Rights: openAccess
Appears in Collections:FCTUC Química - Artigos em Revistas Internacionais

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