A facile and convenient synthesis of 5-trifluoromethyl-4-pyridazinones from aldehyde dialkylhydrazones
Autor: | Toshiaki Ikemura, Ryōichi Masuda, Yasuhiro Kamitori, Yoshiko Mori, Masaru Hojo |
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Rok vydání: | 1993 |
Předmět: | |
Zdroj: | Tetrahedron Letters. 34:5135-5138 |
ISSN: | 0040-4039 |
DOI: | 10.1016/s0040-4039(00)60696-2 |
Popis: | Several 5-trifluoromethyl-4-pyridazinones were conveniently synthesized by silica gel-mediated cyclization reaction of 1,1,1,2,2-pentafluoroalkan-3,4-dione 4-dialkylhydrazones prepared from aldehyde dialkylhydrazones and pentafluoropropionic anhydride. |
Databáze: | OpenAIRE |
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