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Volumn , Issue 18, 2009, Pages 2957-2960

Intramolecular glycosylation approach toward constructing the macrocyclic structure of resin glycosides

Author keywords

Dodecyl thioglycoside; Intramolecular glycosylation; Macrolide; Resin glycoside; Tricolorin

Indexed keywords

GLYCOSIDE; RESIN; TRICOLORIN A; TRICOLORIN F; UNCLASSIFIED DRUG;

EID: 72149132281     PISSN: 09365214     EISSN: 14372096     Source Type: Journal    
DOI: 10.1055/s-0029-1218272     Document Type: Article
Times cited : (9)

References (26)
  • 26
    • 72149116302 scopus 로고    scopus 로고
    • note
    • All new compounds had satisfactory data for elemental analysis or high resolution mass spectrum. Selected Physical Data Compound (R,S)-5: 1H NMR (300 MHz, CDCl3): d = 8.02?7.25 (m, 20 H, CHarom), 5.45 (t, 1 H, J3?,4? = 9.4 Hz, H-3?), 5.19 (t, 1 H, J2?,3? = 9.8 Hz, H-2?), 4.97?4.61 (m, 6 H, PhCH2), 4.57 (d, 1 H, J1?,2? = 10.0 Hz, H-1?), 4.25 (d, 1 H, J1,2 = 7.1 Hz, H-1), 3.61?3.48 (m, 4 H, H-2, H-3, H-5?, OCH), 3.41?3.33 (m, 2 H, H-5, H-4?), 3.20 (t, 1 H, J4,5 = 8.6 Hz, H-4), 2.69?2.63 (m, 2 H, SCH2), 2.26 (s, 1 H, OH), 2.09 (t, 2 H, J = 7.3 Hz, CH2COO), 1.57?0.85 (m, 56 H, H-6, H-6?, 22 CH2, 2 CH3). Although (R)-5 and (S)-5 were not distinguished by both 1H NMR and 13C NMR spectra, the diastereomeric ratio of almost 1:1 was deduced by careful HPTLC (Merck) analysis on silica gel using hexane?EtOAc (2:1). Compound (R)-6: [a]D +13.3 (c 1.05, CHCl3). 1H NMR (300 MHz, CDCl3): d = 7.90?7.19 (m, 20 H, CHarom), 5.41 (t, 1 H, J3?,4? = 8.6 Hz, H-3?), 5.23 (t, 1 H, J2?, 3? = 7.7 Hz, H-2?), 5.14 (d, 1 H, J1?,2? = 7.7 Hz, H-1?), 4.75?4.48 (m, 6 H, PhCH2), 4.39 (d, 1 H, J1,2 = 7.7 Hz, H-1), 3.85?3.76 (m, 2 H, H-2, OCH), 3.53?3.45 (m, 1 H, H-5?), 3.42 (t, 1 H, J4?,5? = 9.2 Hz, H-4?), 3.41 (t, 1 H, J3,4 = 8.5 Hz, H-3), 3.29?3.22 (m, 1 H, H- 5), 3.11 (t, 1 H, J4,5 = 9.1 Hz, H-4), 2.29?2.08 (m, 2 H, CH2COO), 1.67?1.21 (m, 30 H, H-6, H-6?, 12 CH2), 0.88 (t, 3 H, J = 6.7 Hz, CH2CH3). 13C NMR (75.5 MHz, CDCl3): d = 172.4, 165.4, 138.5, 138.1, 133.4, 130.2, 130.1, 129.0, 128.8, 128.4, 128.4, 128.2, 128.0, 99.6, 95.6, 86.4, 84.4, 82.9, 81.0, 76.2, 75.8, 75.6, 75.4, 74.9, 71.2, 71.1, 34.9, 34.5, 34.5, 32.6, 31.2, 29.4, 28.3, 28.0, 27.9, 26.9, 23.1, 18.5, 18.4, 14.6. HRMS?FAB: m/z calcd for C56H72O11 [M + Na]+: 943.4995; found: 943.4995. Compound (S)-6: [a]D +25.6 (c 0.20, CHCl3). 1H NMR (300 MHz, CDCl3): d = 7.92?7.17 (m, 20 H, CHarom), 5.42 (t, 1 H, J3?,4? = 8.6 Hz, H-3?), 5.23 (t, 1 H, J2?,3? = 8.3 Hz, H-2?), 5.07 (d, 1 H, J1?,2? = 7.6 Hz, H-1?), 4.75?4.46 (m, 6 H, PhCH2), 4.24 (d, 1 H, J1,2 = 7.8 Hz, H-1), 3.82 (dd, 1 H, J = 8.0 Hz, J2,3 = 9.3 Hz, H-2), 3.53?3.46 (m, 2 H, H-5?, OCH), 3.40 (t, 1 H, J4?,5? = 9.2 Hz, H-4?), 3.40 (t, 1 H, J3,4 = 8.4 Hz, H-3), 3.31?3.26 (m, 1 H, H-5), 3.11 (t, 1 H, J4,5 = 9.2 Hz, H-4), 2.19 (s, 2 H, CH2COO), 1.59?1.22 (m, 30 H, H-6, H-6?, 12 CH2), 0.89 (t, 3 H, J1,2 = 6.4 Hz, CH2CH3). 13C NMR (75.5 MHz, CDCl3): d = 172.4, 165.5, 138.5, 138.2, 133.4, 130.2, 130.1, 129.0, 128.9, 128.8, 128.4, 128.3, 128.3, 128.2, 128.0, 102.3, 99.5, 86.1, 84.1, 83.2, 82.2, 76.5, 75.8, 75.6, 75.5, 75.1, 71.5, 70.9, 35.3, 35.0, 34.6, 32.5, 31.6, 29.8, 28.4, 28.1, 27.3, 25.7, 25.4, 23.4, 23.1, 18.4, 14.6. HRMS?FAB: m/z calcd for C56H72O11 [M + Na]+: 943.4995; found: 943.4995. Compound 12: [a]D ?7.2 (c 0.76, CHCl3). 1H NMR (300 MHz, acetone-d6): d = 7.40?7.25 (m, 10 H, 2 CHarom), 5.40 (t, 1 H, J3?,4? = 8.9 Hz, H-3?), 4.97?4.57 (m, 6 H, PhCH2, Cl3CCH2), 4.82 (d, 1 H, J1?,2? = 10.0 Hz, H-1?), 4.73 (t, 1 H, J2?,3? = 9.6 Hz, H-2?), 4.22 (d, 1 H, J1,2 = 8.1 Hz, H-1), 4.03 (dd, 1 H, J = 2.2 Hz, J4,5 = 6.0 Hz, H-4), 4.00?3.96 (m, 1 H, H-3), 3.91 (dd, 1 H, J = 2.1, 6.5 Hz, H-5), 3.86?3.75 (m, 4 H, H-4?, H-5?, H-6?a, H-6?b), 3.63?3.60 (m, 1 H, CHO), 3.35 (t, 1 H, J2,3 = 7.6 Hz, H-2), 2.85?2.65 (m, 2 H, SCH2), 2.33? 2.20 (m, 2 H, CH2COO), 1.52?1.28 [m, 53 H, H-6, C(CH3)2, 22 CH2], 0.91?0.86 (m, 6 H, 2 CH3). Column chromatography of the mixture gave crude 12 contaminated with small amount of an unknown product in ca. 60% yield and a mixture of 11 its 3-O-Troc derivative. Repeated column chromatography gave pure 12 in 12% yield. Compound 13: [a]D +2.1 (c 0.33, CHCl3). 1H NMR (300 MHz, acetone-d6): d = 7.44?7.29 (m, 10 H, CHarom), 5.48 (t, 1 H, J3?,4? = 8.6 Hz, H-3?), 5.36 (d, 1 H, J1?,2? = 7.6 Hz, H-1?), 5.08?4.63 (m, 6 H, PhCH2, Cl3CCH2), 4.57 (dd, 1 H, J = 7.6 Hz, J2?,3? = 8.8 Hz, H-2?), 4.23 (d, 1 H, J1,2 = 8.4 Hz, H-1), 4.11 (dd, 1 H, J = 5.3 Hz, J4,5 = 7.0 Hz, H-4), 4.05 (dd, 1 H, J = 2.0 Hz, J3,4 = 5.3 Hz, H-3), 3.95?3.84 (m, 5 H, H-2, H-5, H-4?, H-6?a, H-6?b), 3.71?3.65 (m, 1 H, H-5?), 3.55?3.49 (m, 1 H, CHO), 2.33?2.00 (m, 2 H, CH2COO), 1.53?1.24 [m, 33 H, H-6, C(CH3)2, 12 CH2], 0.86 (t, 3 H, J = 6.8 Hz, CH2CH3). 13C NMR (75.5 MHz, acetone-d6): d = 171.8, 153.4, 139.1, 138.8, 128.6, 128.3, 128.2, 128.0, 127.7, 109.6, 101.5, 97.0, 95.3, 81.2, 80.5, 80.2, 77.0, 76.9, 75.5, 75.1, 74.7, 74.5, 73.5, 68.6, 68.3, 35.4, 35.2, 34.5, 32.1, 31.1, 30.1, 29.9, 29.6, 29.3, 29.1, 28.8, 28.6, 28.3, 28.2, 27.9, 27.4, 26.3, 25.4, 25.1, 24.2, 22.8, 16.7, 13.9. HRMS?FAB: m/z calcd for C48H67Cl3O13 [M + Na]+: 979.3545; found: 979.3542. Compound 19: [a]D ?20.5 (c 0.064, CHCl3). 1H NMR (600 MHz, acetone-d6): d = 7.41?7.20 (m, 25 H, CHarom), 5.06 (d, 1 H, J1?, 2? = 7.4 Hz, H-1?), 5.01 (s, 1 H, H-1), 5.01 (t, 1 H, J2,3 = 4.5 Hz, H-2), 5.01?4.61 (m, 10 H, PhCH2), 4.45 (t, 1 H, J3,4 = 6.3 Hz, H-3), 4.42 (d, 1 H, J1,2 = 6.4 Hz, H-1), 4.12 (dd, 1 H, J = 2.0 Hz, J4,5 = 5.7 Hz, H-4), 3.98?3.91 (m, 1 H, H-5), 3.94 (t, 1 H, J2,3 = 6.4 Hz, H-2), 3.80?3.74


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