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Volumn 10, Issue 23, 2008, Pages 5465-5468

Cylindradines A and B: Novel bromopyrrole alkaloids from the marine Sponge axinella cylindratus

Author keywords

[No Author keywords available]

Indexed keywords

ALKALOID; CYLINDRADINE A; CYLINDRADINE B; PYRROLE DERIVATIVE;

EID: 61349119320     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol802263j     Document Type: Article
Times cited : (41)

References (27)
  • 19
    • 61349146086 scopus 로고    scopus 로고
    • Cylindradine A (1, colorless glass; [α]D -75.3° (c 0.10, MeOH, FABMS m/z, 338, 390, 392 (intensity ratio, 1:2:1, IR (KBr) 3400-3100, 1697, 1637 cm-1; UV λ max (CH3OH) 244 nm (ε 4779, 270 nm (ε 1503, 1H NMR (CD3OD) δ 2.06-2.15 (2H, m, H12, 2.23-2.41 (2H, m, H11, 3.54-3.75 (2H, m, H13, 5.25 (IH, s, H6, 13C NMR (CD3OD) δ 21.3 (C 12, 41.7 (CIl, 46.6 (C13, 56.5 (C6, 85.9 (C10, 98.3 (C3, 107.3 (C2, 113.9 (C4, 134.6 (C5, 159.4 (C8, 161.6 (C 15, Cylindradine B (2, colorless glass; [α]D +59.1° (c 1.49, MeOH, FABMS m/z, 420, 422, 424 (intensity ratio, 1:2:1, IR (KBr) 3500-3000, 1689, 1655, 1630 cm-1; UV λmax (CH 3OH) 242 nm (ε 3166, 275 nm (ε 1266, 1H NMR (CD 3OD) δ 3.63 (1H, d, J, 12.5 Hz, H13a, 3.87 1H, dd, J, 4.6
    • 3OD) δ 52.0 (C6), 54.6 (C13). 74.0 (C 12), 80.5 (C11), 88.1 (C10), 98.2 (C3), 107.1 (C2), 113.6 (C4), 134.1 (C5), 159.0 (C8), 162.1 (C15).
  • 25
    • 61349137429 scopus 로고    scopus 로고
    • Crystallographical data: Cylindradine A (1, crystal formula, C 11H12Br2N5O+· CF3CO2-·H3OH; 0.30 × 0.15 × 0.02 mm3; triclinic, space group P-I; a= 8.422(2, b, 9.324 (4, c, 13.223(6) Å, α, 70.298(18)°, β= 85.55(2)°, γ, 75.751(19)°, V= 947.5(8) Å; Mo Kα, T= 150 K, Z, 2, ρcaled, 1.876 g cm-3, μ, 4.338 mm1, F(000, 528, 13492 measured, 4316 unique, 2563 observed [I > 2σ(I, R 1, 0.0790 [I > 2σ(I, wR2= 0.2370 (all, GOF, 1.006. CCDC-702691. Cylindradine B 2, crystal formula, C 11H12Br2N5O3 +·CF3CO2-·H 2O; 0.27 × 0.10
    • 2 = 0.1700 (all); GOF = 1.062. CCDC-702692. Structures of cylindradines in CIF format have been deposited in CCDC.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.