Tetrahedron Letters p. 5135 - 5138 (1993)
Update date:2022-08-04
Topics:
Kamitori
Hojo
Masuda
Ikemura
Mori
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.
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(1994)
