120779-92-2Relevant academic research and scientific papers
Convenient Synthesis of 4-Trifluoroacetylpyrazoles from Aldehyde tert-Butylhydrazones
Kamitori, Yasuhiro,Hojo, Masaru,Masuda, Ryoichi,Fujishiro, Masaki,Nakamura, Isao,Yamamoto, Katsumasa
, p. 389 - 391 (2007/10/02)
Several 1-(tert-butyl)-4-trifluoroacetylpyrazoles 3 were synthesized by the reaction of aldehyde tert-butylhydrazones 2 with 4-ethoxy-1,1,1-trifluoro-3-buten-2-one (1).The tert-butyl group could be readily removed by treatment of 3 with 90 percent sulfuri
CONVENIENT SYNTHESIS OF 4-TRIFLUOROMETHYLPYRAZOLES BY CYCLIZATION OF TRIFLUOROACETYLATED HYDRAZONES
Kamitori, Yasuhiro,Hojo, Masaru,Masuda, Ryoichi,Ohara, Seiji,Kawasaki, Kazuyoshi,Yoshikawa, Naohiro
, p. 5281 - 5284 (2007/10/02)
Several 4-trifluoromethyl-1-alkylpyrazoles were synthesized in good yields by trifluoroacetic anhydride-pyridine induced cyclization reaction of acylhydrazones prepared from aldehyde dialkylhydrazones and trifluoroacetic anhydride.
