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Volumn 4, Issue 8, 2007, Pages 553-555

Total synthesis of (±)-euryfuran through Ti(III) catalyzed radical cyclization

Author keywords

Cyclization; Diastereoselectivity; Farnesol; Furanosesquiterpenes; Radical reactions; Titanium

Indexed keywords


EID: 38049121184     PISSN: 15701786     EISSN: None     Source Type: Journal    
DOI: 10.2174/157017807782795457     Document Type: Article
Times cited : (11)

References (44)
  • 25
    • 0037009073 scopus 로고    scopus 로고
    • Gansauer, A.; Pierobon, M.; B1uhm, H. Angew. Chem. Int. Ed. Engl., 2002, 41, 3206.
    • Gansauer, A.; Pierobon, M.; B1uhm, H. Angew. Chem. Int. Ed. Engl., 2002, 41, 3206.
  • 37
    • 0003123493 scopus 로고    scopus 로고
    • Renaud, P, Mukund, P. S, Eds, Wiley-VCH: Weinheim
    • Zard, S. Z. In Radicals in Organic Synthesis, Vol. 1; Renaud, P.; Mukund, P. S., Eds.; Wiley-VCH: Weinheim, 2001, 90.
    • (2001) Radicals in Organic Synthesis , vol.1 , pp. 90
    • Zard, S.Z.1
  • 41
    • 38049162390 scopus 로고    scopus 로고
    • Compound 11: Colourless oil. IR ν (cm-1) 3493, 2926, 2865, 1457, 1385, 1363, 1201, 1151, 1032, 888; 1H NMR (500 MHz, CDCl3) δ 3.66 (1H, dd, J= 11.6, 3.3 Hz, H-1la, 3.44 (1H, t, J= 11.6 Hz, H-11b, 3.24 (1H, dd, J= 3.8, 2.1 Hz, H-12a, 2.74 (1H, d, J= 3.8 Hz, H-12b, 2.01 (1H, ddt, J= 12.7, 4.7, 2.1 Hz, H-7eq, 1.91 (1H, dd, J= 10.1, 3.3 Hz, H-9, 1.87 (1H, dq, J= 13.5, 2.5 Hz, H-6a, 1.71 (1H, ddt, J= 12.8, 3.3, 1.5 Hz, H-leq, 1.63-1.49 (3H, m, H-6b, H2a, H2b, 1.46-1.42 (2H, m, H7ax, H3eq, 1.27-1.20 (2H, m, H-1ax, 12a, H-3ax, 1.10 (1H, dd, J= 12.5, 2.7 Hz, H-5, 0.93 (3H, s, H-15, 0.87 (3H, s, H-13, 0.86 (3H, s, H-14, 13C NMR (125 MHz, CDC13, DEPT) δ 61.82 (C, C-8, 58.95 (CH2, C-11, 54.69 (CH, C-5, 54.35 (CH, C-9, 51.86 (CH2, C-12, 41.79 (CH2, C-3, 39.18 (C, C-10, 38.88 (CH2, C-1, 36.28 C
    • 2]: 238.1933, found: 238.1941.
  • 42
    • 38049115889 scopus 로고    scopus 로고
    • Compound 12: Colourless oil. 1H NMR (300 MHz, CDCl3) δ 9.60 (1H, d, J= 4.0 Hz, H-11, 3.15 (1H, dd, J= 4.0, 2.0 Hz, H-12a, 2.74 (1H, dd, J= 4.0,1.2 Hz, H-12b, 2.50 (1H, d, J= 4.0 Hz, H-9, 2.03-1.82 (2H, m, H7a, H6a, 1.70-1.40 (6H, m, H1eq, H6b, H2a, H2b, H7ax, H3eq, 1.30-1.18 (2H, m, H1ax, H3ax, 1.22 (3H, s, Me-15),1.02 (1H, dd, J= 12.5, 2.8 Hz, H-5, 0.93 (3H, s, Me-15, 0.89 (3H, s, Me-13, 13C NMR (75 MHz, CDCl3, DEPT) δ 202.7 (CHO, C-11, 64.4 (CH, C-9, 57.8 (C, C-8, 54.0 (CH, C-5, 52.2 (CH2, C-12, 41.7 (CH2, C-3, 40.5 (C, C-10, 39.1 (CH2, C-1, 35.8 (CH2, C-7, 33.5 (CH3, C-15, 33.3 (C, C-4, 21.6 (CH3, C-14, 21.4 (CH2, C-6, 18.2 (CH2, C-2, 16.1 (CH3, C-13, HRMS El, m/z calcd for [C15H24O, 236.1776, found: 236.1782
    • ]: 236.1776, found: 236.1782.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.