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Volumn , Issue 4, 2007, Pages 571-574

Asymmetric synthesis of the diene unit of methyl sartortuoate via a temperature-sensitive intramolecular Horner-Wadsworth-Emmons (HWE) reaction

Author keywords

Asymmetric synthesis; Diene unit; HWE reaction; Methyl sartortuoate; Payne rearrangement

Indexed keywords

2,3 EPOXY ALCOHOL; ALCOHOL DERIVATIVE; ALKADIENE; CEMBRANOID; MEETHYL ISOSARTORTUOATE; METHYL SARCOATE; METHYL SARCOPHYTOATE; METHYL SARTORTUOATE; UNCLASSIFIED DRUG;

EID: 33947274308     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-2007-967970     Document Type: Article
Times cited : (8)

References (40)
  • 9
    • 0009531605 scopus 로고    scopus 로고
    • For synthetic studies on biscembranoids by the Nakata's group, see: a
    • For synthetic studies on biscembranoids by the Nakata's group, see: (a) Yasuda, M.; Ide, M.; Matsumoto, Y.; Nakata, M. Synlett 1997, 899.
    • (1997) Synlett , pp. 899
    • Yasuda, M.1    Ide, M.2    Matsumoto, Y.3    Nakata, M.4
  • 27
    • 33947212999 scopus 로고    scopus 로고
    • Compound 15: colorless oil; [α]D20 +15.8 (c, 0.50, MeOH, IR (film, 2932, 1717, 1676, 1448, 1184, 1137, 1098, 1037 cm-1. 1H NMR (300 MHz, CDCl3, δ, 10.09 (d, J, 7.8 Hz, 1 H, 6.14 (s, 1 H, 6.12 (d, J, 7.8 Hz, 1 H, 5.39 (s, 1 H, 5.22 (t, J, 7.5 Hz, 1 H, 4.77 (d, J, 7.2 Hz, 1 H, 4.72 (d, J, 7.2 Hz, 1 H, 4.22 (q, J, 7.2 Hz, 2 H, 4.08-4.11 (m, 1 H, 3.62-3.66 (m, 1 H, 3.39 (s, 3 H, 3.01 (d, J, 7.5 Hz, 2 H, 2.19 (s, 3 H, 1.40-2.10 (m, 8 H, 1.64 (s, 3 H, 1.30 (t, J, 7.2 Hz, 3 H, 1.20 (s, 3 H, 13C NMR (75 MHz, CDCl 3, δ, 191.7, 167.3, 161.6, 139.7, 137.2, 126.2, 124.4, 120.8, 90.7, 77.8, 74.8, 72.67, 60.6, 55.5, 36.0, 31.5, 30.1, 26.5, 24.6, 21.0, 16.1, 14.3, 14.2. ESI-MS: m/z, 409.1 [M, H, 431.1 [M, Na, HRMS ESI, m/z [M, Na, calcd for C 2
    • 6: 431.2404; found: 431.2401.
  • 28
    • 33947254658 scopus 로고    scopus 로고
    • Compound 8: colorless oil; [α]D20 +88.4 (c, 0.49, CHCl3, IR (film, 2979, 2934, 1707, 1448, 1380, 1222, 1145, 1097, 1037, 919 cm-1. 1H NMR (300 MHz, CDCl3, δ, 6.81 (t, J, 7.2 Hz, 1 H, 5.36 (t, J, 7.5 Hz, 1 H, 4.82 (d, J, 8.1 Hz, 1 H, 4.77 (d, J, 7.5 Hz, 1 H, 4.75 (d, J, 7.5 Hz, 1 H, 4.73 (d, J, 8.1 Hz, 1 H, 4.22 (q, J, 7.2 Hz, 2 H, 3.76-3.80 (m, 1 H, 3.69 (d, J, 5.1 Hz, 1 H, 3.38 (s, 3 H, 3.37 (s, 3 H, 2.70-3.10 (m, 4 H, 2.32-2.40 (m, 1 H, 2.00-2.10 (m, 2 H, 1.80-2.00 (m, 2 H, 1.50-1.70 (m, 3 H, 1.62 (s, 3 H, 1.32 (t, J, 7.2 Hz, 3 H, 1.25 (s, 3 H, 1.19 (s, 3 H, 13C NMR 75 MHz, CDCl3, δ, 168.0, 142.0, 139.1, 127.8, 123.2, 91.4, 90.9, 79.6, 77.4, 76.4, 75.9, 60.0, 55.6, 55.4, 39.7, 38.4, 33.9, 29.5, 27.7, 23.6, 22.7, 21.4, 15.4, 14.3. ESI-MS: m/z, 463.2 [M, Na
    • 7: 463.2666; found: 463.2685.
  • 29
    • 33947285770 scopus 로고    scopus 로고
    • The stereochemistry of the conjugated double bond is assigned from the chemical shift and the coupling constant data of the vinylic proton, and by analogy with closely related cyclizations
    • The stereochemistry of the conjugated double bond is assigned from the chemical shift and the coupling constant data of the vinylic proton, and by analogy with closely related cyclizations.
  • 35
    • 33947240458 scopus 로고    scopus 로고
    • Compound 20: white solid; mp 80-81°C; [α] D20 -234 (c, 0.40, CHCl3, IR (film, 2942, 1740, 1376, 1243, 1092, 1033 cm-1. 1H NMR (300 MHz, CDCl3, δ, 6.27 (d, J, 10.5 Hz, 1 H, 6.05 (dd, J, 8.4 Hz, 2 H, 4.22 (d, J, 7.5 Hz, 1 H, 4.83 (d, J, 7.5 Hz, 1 H, 4.71 (d, J, 7.5 Hz, 1 H, 4.65 (d, J, 12.3 Hz, 1 H, 4.37 (d, J, 12.3 Hz, 1 H, 4.92 (d, J, 7.5 Hz, 1 H, 3.97-4.01 (m, 1 H, 3.73 (d, J, 8.4 Hz, 1 H, 3.40 (s, 3 H, 3.32 (s, 3 H, 2.50-2.62 (m, 1 H, 2.15-2.33 (m, 1 H, 2.14-2.15 (m, 8 H, 2.054 (s, 3 H, 2.047 (s, 3 H, 1.74 (s, 3 H, 1.23 (s, 3 H, 1.21 (s, 3 H, 13C NMR (75 MHz, CDCl3, δ, 170.6, 170.1, 139.0, 134.6, 126.0, 118.1, 91.0, 90.8, 82.7, 79.9, 75.2, 69.0, 68.4, 65.2, 55.7, 55.2, 40.4, 39.8, 30.3, 24.6, 21.1 2 C, 21.0, 20.0, 19.9, 18.3. ESI-MS: m/z, 521.3 [M, Na
    • 9: 521.2721; found: 521.2743. (b) The crystallographic data for 20 has been deposited at the Cambridge Crystallographic Data Centre with deposition no. CCDC 632316.
  • 36
    • 33947288656 scopus 로고    scopus 로고
    • Compound 22: colorless oil; [α]D20 -254 (c, 0.10, CHCl3, IR (film, 2981, 2945, 2855, 1734, 1673, 1647, 1440, 1376, 1275, 1244, 1033, 910 cm-1. 1H NMR (300 MHz, CDCl3, δ, 6.98 (d, J, 10.2Hz, 1 H, 6.25 (d, J, 11.1 Hz, 1 H, 5.95 (d, J, 10.2 Hz, 1 H, 5.03 (d, J, 7.2 Hz, 1 H, 4.82 (d, J, 7.5 Hz, 1 H, 4.69 (d, J, 7.5 Hz, 1 H, 4.42 (d, J, 7.2 Hz, 1 H, 3.98-4.02 (m, 1 H, 3.70-3.73 (m, 1 H, 3.40 (s, 3 H, 3.33 (s, 3 H, 1.80-2.70 (m, 4 H, 2.27 (s, 3 H, 2.00 (s, 3 H, 1.40-1.80 (m, 6 H, 1.83 (s, 3 H, 1.23 (s, 3 H, 1.20 (s, 3 H, 13C NMR (75 MHz, CDCl3, δ, 190.2, 170.6, 145.2, 140.7, 131.9, 118.3, 91.1, 91.0, 82.5, 80.1, 75.2, 68.5, 68.4, 55.7, 55.3, 40.2, 39.6, 30.1, 27.5, 24.5, 21.3, 21.0, 20.1, 20.0, 18.8. ESI-MS: m/z, 491.1 [M, Na, HRMS ESl, m/z [M, Na, ca
    • 8: 491.2615; found: 491.2605.
  • 40
    • 33947198900 scopus 로고    scopus 로고
    • Compound 5: colorless oil; [α]D20 -176 (c, 0.05, CHCl3, IR (film, 2925, 2853, 1742, 1458, 1375, 1240, 1144, 1092, 1072, 1034, 910 cm-1. 1H NMR (500 MHz, CDCl3, δ, 6.08-6.13 (m, 3 H, 4.96 (d, J, 7.4 Hz, 1 H, 4.93 (s, 1 H, 4.85 (s, 1 H, 4.84 (d, J, 7.3 Hz, 1 H, 5.03 (d, J, 7.3 Hz, 1 H, 4.39 (d, J, 7.4 Hz, 1 H, 4.03 (dd, J, 3.0 Hz, 1 H, 3.69 (d, J, 8.3 Hz, 1 H, 3.40 (s, 3 H, 3.33 (s, 3 H, 1.40-2.80 (m, 10 H, 1.98 (s, 3 H, 1.88 (s, 3 H, 1.73 (s, 3 H, 1.25 (s, 3 H, 1.21 (s, 3 H, 13C NMR (125 MHz, CDCl3, δ, 169.9, 143.5, 137.4, 121.2, 119.0, 113.9, 112.9, 91.1, 91.0, 82.7, 80.2, 75.3, 69.8, 68.3, 55.7, 55.2, 40.3, 39.8, 30.4, 29.7, 24.6, 22.8, 21.5, 21.1, 20.2, 18.4. ESI-MS: m/z, 489.4 [M, Na, HRMS ESI, m/z [M, Na, calcd for C26H42O7
    • 7: 489.2828; found: 489.2823.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.