Rare earth triflate-catalyzed addition reactions of acylhydrazones with silyl enolates. A facile synthesis of pyrazolone derivatives

Synlett

Volumn , Issue 3, 1998, Pages 249-250

  Oyamada, Hidekazu ^a   Kobayashi, Shu ^a  

^a NONE

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001448995     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-1998-1638     Document Type: Article

References (45)

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43. 3 was used under the same reaction conditions, the desired product was obtained in a 72% yield (97% conversion).
44. 3) δ 0.91-0.96 (m, 6H), 1.11-1.35 (m, 8H), 1.97 (m, 1H), 3.27 (dd, 1H, J = 2.1, 9.6 Hz), 3.57 (s, 3H), 4.90 (br s, 1H), 7.39-7.50 (m, 3H), 7.75 (d, 2H), 8.01 (br s, 1H).
45. +) 168.1263. found 168.1265.