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Volumn 38, Issue 3, 2009, Pages 204-205

Palladium-catalyzed decarboxylative [4 + 1] cyclization of γ-methylidene-δ-vaierolaetones with isocyanides

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Indexed keywords


EID: 67650486397     PISSN: 03667022     EISSN: 13480715     Source Type: Journal    
DOI: 10.1246/cl.2009.204     Document Type: Article
Times cited : (38)

References (46)
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    • For recent reviews, see
    • For recent reviews, see:
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    • For recent examples, see
    • For recent examples, see:
  • 11
    • 0037391570 scopus 로고    scopus 로고
    • For a review, see
    • For a review, see: J. Zhu, Eur. J. Org. Chem. 2003, 1133.
    • (2003) Eur. J. Org. Chem , pp. 1133
    • Zhu, J.1
  • 12
    • 67650414502 scopus 로고    scopus 로고
    • For pioneering work, see
    • For pioneering work, see:
  • 20
    • 67650390146 scopus 로고    scopus 로고
    • Related reactions to form oxygen-containing heterocycles, see
    • Related reactions to form oxygen-containing heterocycles, see:
  • 23
    • 67650370978 scopus 로고    scopus 로고
    • For early examples using stoichiometric amount of transition met al.s, see
    • For early examples using stoichiometric amount of transition met al.s, see:
  • 31
    • 67650352925 scopus 로고    scopus 로고
    • Ito reported palladium-catalyzed asymmetric polymerization of 1, 2-diisocyanoarenes giving chiral quinoxaline polymers
    • Ito reported palladium-catalyzed asymmetric polymerization of 1, 2-diisocyanoarenes giving chiral quinoxaline polymers:
  • 35
    • 84869342219 scopus 로고    scopus 로고
    • α-Alkyl lactones are not suitable substrates for the present catalysis
    • α-Alkyl lactones are not suitable substrates for the present catalysis.
  • 36
    • 67650390138 scopus 로고    scopus 로고
    • Supporting Information is available electronically on the CSJ-Joumal Web site, http://www.csj.jp/journals/chem-lett/index.html.
    • Supporting Information is available electronically on the CSJ-Joumal Web site, http://www.csj.jp/journals/chem-lett/index.html.
  • 44
    • 67650362614 scopus 로고    scopus 로고
    • In some cases, a mixture of 3 and C is obtained after the reaction, which completely isomerizes to 3 upon chromatographic purification.
    • In some cases, a mixture of 3 and C is obtained after the reaction, which completely isomerizes to 3 upon chromatographic purification.
  • 45
    • 67650414500 scopus 로고    scopus 로고
    • The use of (R)-Binap or (R)-Segphos results in significantly lower enantioselectivity (≈20% ee), and chiral phosphoramidite ligands are essentially ineffective for this catalysis (<5 % ee).
    • The use of (R)-Binap or (R)-Segphos results in significantly lower enantioselectivity (≈20% ee), and chiral phosphoramidite ligands are essentially ineffective for this catalysis (<5 % ee).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.