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Tetrahedron Letters
Volumn 27, Issue 50, 1986, Pages 6051-6054
Intramolecular radical cyclization of phenolic nitronates: Facile synthesis of annelated tropone and tropolone derivatives
Author keywords

[No Author keywords available]
Indexed keywords

EID: 1542612770     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(00)85396-4     Document Type: Article
Times cited : (40)
References (14)
  • 2
    • 84918464552 scopus 로고    scopus 로고
    • 1H-NMR are in agreement with the structures shown.
  • 4
    • 84918464550 scopus 로고    scopus 로고
    • 3): δ 7.34(1H,dd,J=11, 4Hz), 6.80(1H,dd,J=11, 4), 6.35(1H,dd,J=11, 2), 6.28(1H,dd,J=11, 2), 4.67(1H,dd,J=5, 12), 2.39–2.16(2H,m), 2.15–2.07(1H,br d), 1.80–1.46(5H,m). Found: C, 63.54; H, 6.51; N, 6.61.
  • 5
    • 84918464549 scopus 로고    scopus 로고
    • 3): δ 6.69(1H,dd,J=10.5, 2Hz), 6.18(1H,d,J=10.5), 4.67(1H,br s), 2.94(1H,dd,J=17, 1.5), 2.85(1H,dd,J=17, 4), 2.68(1H,dd,J=17, 4), 2.33–2.17(1H,m), 2.15–2.00(2H,m), 1.91(1H,d,J=12), 1.72–1.4(3H,m). Found: C, 63.35; H, 6.39; N, 6.65.
  • 6
    • 84918464548 scopus 로고    scopus 로고
    • 3): δ 6.92(2H,d,J=12 Hz), 6.83(2H,d,J=12), 2.65(4H,m), 1.72(4H,m).
  • 7
    • 0019845784 scopus 로고
    • 1c was prepared from 4-t-butyldimethylsiloxy-3-methoxycinnamic acid which was chain extended following the precedent of
    • (1981) J. Am. Chem. Soc. , vol.103 , pp. 5813
    • Evans1    Tanis2    Hart3
  • 8
    • 84918464547 scopus 로고    scopus 로고
    • 4NF desilylation.
  • 9
    • 84918464546 scopus 로고    scopus 로고
    • 3): δ 7.19(1H,d,J=12 Hz), 7.11(1H,d,J=12), 6.74(1H,s), 3.91(3H,s), 3.03(2H,t,J=7), 2.96(2H,t,J=7), 2.03(2H, quintet).
  • 10
    • 84918464545 scopus 로고    scopus 로고
    • 3); δ 6.84(1H,dd,J=10, 4 Hz), 6.77(1H,dd,J=10, 4), 6.31(2H,m), 4.89(1H,t,J=9), 2.72(1H,m), 2.45(1H,m), 2.26(1H,m), 2.1–2.0(3H,m).

* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.