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http://hdl.handle.net/10316/5158| Title: | 2H-Azirines as dipolarophiles | Authors: | Melo, Teresa M. V. D. Pinho e Cardoso, Ana L. Gomes, Clara S. B. Gonsalves, António M. D'A. Rocha |
Keywords: | 2H-azirines; 1,3-dipolar cycloaddition; 3H-pyrazole; pyrimidine | Issue Date: | 2003 | Citation: | Tetrahedron Letters. 44:33 (2003) 6313-6315 | Abstract: | 2H-Azirine-3-carboxylates unsubstituted at C-2 act as dipolarophiles in the reaction with diazomethane giving new 4,5-dihydro-3H-pyrazole derivatives. The synthesis of a pyrimidine was also achieved via 1,3-dipolar cycloaddition of methyl 2-bromo-3-phenyl-2H-azirine-2-carboxylate with an azomethine ylide. | URI: | http://hdl.handle.net/10316/5158 | DOI: | 10.1016/S0040-4039(03)01534-X | Rights: | openAccess |
| Appears in Collections: | FCTUC Química - Artigos em Revistas Internacionais |
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|---|---|---|---|---|
| file79bad46e9c6c497db01fe6feaeaee93a.pdf | 80.89 kB | Adobe PDF | View/Open |
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