메뉴 건너뛰기




Volumn 39, Issue 8, 2010, Pages 896-897

Nickel-catalyzed [4 + 2] cycloaddition of alkynes to carbonylsalicylamides via elimination of isocyanates

Author keywords

[No Author keywords available]

Indexed keywords


EID: 77954779383     PISSN: 03667022     EISSN: 13480715     Source Type: Journal    
DOI: 10.1246/cl.2010.896     Document Type: Article
Times cited : (11)

References (34)
  • 22
    • 77954784683 scopus 로고    scopus 로고
    • 2 (10mol%) or pyridine (10mol%) did not implov the yield of 3aa. The reaction of 2a with carbonylsalicylamides 1, which proceed via elimination of other isocyanate, such as methyl isocyanate, 2-pyridyl isocyanate, did not give cycloadduct 3
    • 2 (10mol%) or pyridine (10mol%) did not implov the yield of 3aa. The reaction of 2a with carbonylsalicylamides 1, which proceed via elimination of other isocyanate, such as methyl isocyanate, 2-pyridyl isocyanate, did not give cycloadduct 3.
  • 23
    • 0002523083 scopus 로고
    • For Ni catalyzed [2 + 2 + 2] cycloaddition of alkynes and isocyanates, see: a
    • For Ni catalyzed [2 + 2 + 2] cycloaddition of alkynes and isocyanates, see: a) H. Hoberg, B. W. Oster, Synthesis 1982, 324.
    • (1982) Synthesis , pp. 324
    • Hoberg, H.1    Oster, B.W.2
  • 29
    • 11444262868 scopus 로고    scopus 로고
    • For SIPr-catalyzed cyclotrimerization of isocyanates, see
    • For SIPr-catalyzed cyclotrimerization of isocyanates, see: H. A. Duong, M. J. Cross, J. Louie, Org. Lett. 2004, 6, 4679.
    • (2004) Org. Lett. , vol.6 , pp. 4679
    • Duong, H.A.1    Cross, M.J.2    Louie, J.3
  • 30
    • 77954807476 scopus 로고    scopus 로고
    • 1HNMR spectroscopy of crude reaction mixture (ca. 30% yield). The side product, N-phenyl-3,4,5,6-tetrapropyl-2-pyridone, was observed in ca. 10% yield
    • 1HNMR spectroscopy of crude reaction mixture (ca. 30% yield). The side product, N-phenyl-3,4,5,6-tetrapropyl-2-pyridone, was observed in ca. 10% yield.
  • 31
    • 0037148763 scopus 로고    scopus 로고
    • For pioneering works of transition-metal-catalyzed reaction, involving β-elimination of oxygen, see: a
    • For pioneering works of transition-metal-catalyzed reaction, involving β-elimination of oxygen, see: a) M. Murakami, H. Igawa, Chem. Commun. 2002, 390.
    • (2002) Chem. Commun. , pp. 390
    • Murakami, M.1    Igawa, H.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.