Ytterbium(III) trifluoromethanesulfonate-catalyzed homoconjugate addition reactions of β-ketoesters with activated cyclopropane derivatives at high pressure

Synlett

Volumn , Issue 5, 1999, Pages 650-652

  Kotsuki, Hiyoshizo ^a   Arimura, Koji ^a   Maruzawa, Ryosuke ^a   Ohshima, Reiji ^a  

^a KOCHI UNIVERSITY   (Japan)

Author keywords

Activated cyclopropane; High pressure reaction; Homo conjugate addition; Yb(OTf)3; ketoester

Indexed keywords

CYCLOPROPANE DERIVATIVE; YTTERBIUM;

ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; CATALYSIS; CHEMICAL REACTION; CHEMICAL STRUCTURE; CONFORMATION; DECOMPOSITION; PROTON NUCLEAR MAGNETIC RESONANCE;

EID: 0032963763     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-1999-2694     Document Type: Article

References (30)

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25. 3 were used, respectively.
26. 7+H, 357.1913; found, 357.1905.
27. An excess amount of 4 did not improve the product yield.
28. For similar findings, see: ref. 8h.
29. The use of 2-methylcydohexanone as a donor molecule was also fruitless due to the formation of a complex mixture.
30. 2O is reported to be 6.40. See ref. 4.