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Volumn 45, Issue 12, 2004, Pages 2499-2502

Palladium-catalyzed cycloreduction of 5-allen-1-ynes

Author keywords

Allenyne; Cycloreduction; Electron withdrawing group; Palladium

Indexed keywords

ALKYNE DERIVATIVE; ALLENE DERIVATIVE; CYCLOPENTANE DERIVATIVE; PALLADIUM;

EID: 1542379804     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2004.02.008     Document Type: Article
Times cited : (21)

References (40)
  • 1
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    • For recent examples on allenes, see:
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  • 17
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    • For recent examples on the carbocyclization of allenes, see: (Ti)
    • For recent examples on the carbocyclization of allenes, see: Urabe H., Takeda T., Hideura D., Sato F. J. Am. Chem. Soc. 119:1997;11295. (Ti).
    • (1997) J. Am. Chem. Soc. , vol.119 , pp. 11295
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  • 21
    • 0037287106 scopus 로고    scopus 로고
    • For a very recent example on the rhodium-catalyzed intramolecular ene-type reaction of allenynes, see:
    • For a very recent example on the rhodium-catalyzed intramolecular ene-type reaction of allenynes, see: Shibata T., Takesue Y., Kadowaki S., Takagi K. Synlett. 2:2003;268.
    • (2003) Synlett , vol.2 , pp. 268
    • Shibata, T.1    Takesue, Y.2    Kadowaki, S.3    Takagi, K.4
  • 31
    • 1542283391 scopus 로고    scopus 로고
    • note
    • 13C NMR, FT-IR, and high-resolution mass spectra. The relative stereochemistry for 2b, 5b, and 7b were tried to confirm by 2D NOESY experiments. The exact relative stereochemistries for those derivatives will be confirmed by X-ray studies and will be reported in a full paper when ready.
  • 32
    • 1542313545 scopus 로고    scopus 로고
    • note
    • 4 (6.0 mg, 0.0051 mmol), and dry DMF (1.2 mL) were added. The resulting mixture was treated with HCOOH (5.0 μL, 0.122 mmol) under Ar atmosphere.
  • 34
    • 0003441482 scopus 로고
    • For the use of formic acid or formates as a hydrogen equivalent in palladium-catalyzed reactions, see: Chichester, England: Wiley
    • For the use of formic acid or formates as a hydrogen equivalent in palladium-catalyzed reactions, see: Tsuji J. Palladium Reagents and Catalysts. 1995;Wiley, Chichester, England.
    • (1995) Palladium Reagents and Catalysts
    • Tsuji, J.1
  • 35
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    • For the reductive elimination in our previous investigations for the palladium-catalyzed cycloreductions, see:
    • For the reductive elimination in our previous investigations for the palladium-catalyzed cycloreductions, see: Oh C.H., Jung H.H. Tetrahedron Lett. 40:1999;1535.
    • (1999) Tetrahedron Lett. , vol.40 , pp. 1535
    • Oh, C.H.1    Jung, H.H.2
  • 38
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    • Such class of compounds could be prepared by enyne cyclizations catalyzed or mediated by Pd, Ni, or Ti. For reviews on carbocyclization of enynes, see:
    • Such class of compounds could be prepared by enyne cyclizations catalyzed or mediated by Pd, Ni, or Ti. For reviews on carbocyclization of enynes, see: Ojima I., Tzamarioudaki M., Li Z., Donovan R.J. Chem. Rev. 96:1996;635.
    • (1996) Chem. Rev. , vol.96 , pp. 635
    • Ojima, I.1    Tzamarioudaki, M.2    Li, Z.3    Donovan, R.J.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.