Literature DB >> 21523068

Anthriscifolcine A, a C18-diterpenoid alkaloid.

Zhi-Jun Song, Wei-Quan Chen, Xiao-Ying Du, Yun-Fei Yuan, Han-Hong Xu.   

Abstract

The title compound, C(26)H(39)NO(7), which was isolated from Delphinium anthriscifolium var. majus, has a lycoctonine carbon skeleton containing four six-membered rings (A, B, D and E) and three five-membered rings (C, F and G). Rings A, B and E adopt chair conformation, while ring D adopts a boat conformation. Rings C and F adopt envelope conformations.

Entities:  

Year:  2011        PMID: 21523068      PMCID: PMC3051775          DOI: 10.1107/S1600536811001346

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For the preparation, see: Song et al. (2007 ▶). For other lycoctonine-type diterpenoid alkaloids, see: Tashkhodjaev & Sultankhodjaev (2009 ▶).

Experimental

Crystal data

C26H39NO7 M = 477.58 Orthorhombic, a = 8.9444 (16) Å b = 14.135 (3) Å c = 19.112 (3) Å V = 2416.4 (7) Å3 Z = 4 Mo Kα radiation μ = 0.09 mm−1 T = 133 K 0.45 × 0.43 × 0.31 mm

Data collection

Rigaku AFC10/Saturn724+ diffractometer 19113 measured reflections 3122 independent reflections 3020 reflections with I > 2σ(I) R int = 0.034

Refinement

R[F 2 > 2σ(F 2)] = 0.034 wR(F 2) = 0.080 S = 1.00 3122 reflections 312 parameters H-atom parameters constrained Δρmax = 0.24 e Å−3 Δρmin = −0.17 e Å−3 Data collection: CrystalClear (Rigaku, 2002 ▶); cell refinement: CrystalClear; data reduction: CrystalClear; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: SHELXTL (Sheldrick, 2008 ▶); software used to prepare material for publication: SHELXL97. Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536811001346/bt5455sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536811001346/bt5455Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report Enhanced figure: interactive version of Fig. 1
C26H39NO7Dx = 1.313 Mg m3
Mr = 477.58Mo Kα radiation, λ = 0.71073 Å
Orthorhombic, P212121Cell parameters from 8028 reflections
a = 8.9444 (16) Åθ = 3.1–27.5°
b = 14.135 (3) ŵ = 0.09 mm1
c = 19.112 (3) ÅT = 133 K
V = 2416.4 (7) Å3Block, colorless
Z = 40.45 × 0.43 × 0.31 mm
F(000) = 1032
Rigaku AFC10/Saturn724+ diffractometer3020 reflections with I > 2σ(I)
Radiation source: Rotating AnodeRint = 0.034
graphiteθmax = 27.5°, θmin = 3.1°
Detector resolution: 28.5714 pixels mm-1h = −11→11
φ and ω scansk = −18→18
19113 measured reflectionsl = −21→24
3122 independent reflections
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.034Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.080H-atom parameters constrained
S = 1.00w = 1/[σ2(Fo2) + (0.0431P)2 + 0.616P] where P = (Fo2 + 2Fc2)/3
3122 reflections(Δ/σ)max < 0.001
312 parametersΔρmax = 0.24 e Å3
0 restraintsΔρmin = −0.17 e Å3
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes.
Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.
xyzUiso*/Ueq
O10.30623 (14)0.49917 (9)0.71667 (6)0.0201 (3)
O20.44209 (14)0.42792 (9)0.62909 (7)0.0203 (3)
O30.72126 (15)0.46178 (8)0.91841 (6)0.0199 (3)
O40.36463 (14)0.26667 (8)0.70942 (7)0.0195 (3)
O50.13732 (16)0.30454 (11)0.66750 (8)0.0329 (3)
O70.77283 (14)0.39651 (9)0.59355 (6)0.0194 (3)
O80.85214 (15)0.60530 (9)0.65703 (7)0.0232 (3)
N10.37859 (17)0.49307 (10)0.87482 (8)0.0191 (3)
C10.6416 (2)0.37444 (12)0.90962 (9)0.0197 (4)
H10.71670.32200.91020.024*
C20.5383 (2)0.36093 (14)0.97290 (9)0.0258 (4)
H2A0.59830.33821.01300.031*
H2B0.49490.42290.98590.031*
C30.4122 (3)0.29143 (15)0.95935 (10)0.0314 (5)
H3A0.34200.29170.99940.038*
H3B0.45340.22680.95460.038*
C40.3289 (2)0.31858 (13)0.89248 (10)0.0253 (4)
H40.24260.27430.88670.030*
C50.4337 (2)0.30608 (12)0.82959 (9)0.0196 (4)
H50.46870.23910.82540.024*
C60.3504 (2)0.33800 (12)0.76349 (9)0.0183 (4)
H60.24200.34550.77520.022*
C70.4165 (2)0.43769 (12)0.74658 (9)0.0162 (3)
C80.53840 (19)0.43831 (12)0.69037 (9)0.0158 (3)
C90.6448 (2)0.35546 (11)0.70054 (8)0.0158 (3)
H90.59850.29510.68400.019*
C100.6892 (2)0.34851 (12)0.78001 (9)0.0168 (3)
H100.71350.28040.78860.020*
C110.5674 (2)0.37552 (11)0.83597 (9)0.0164 (3)
C120.84195 (19)0.40274 (13)0.78403 (9)0.0195 (4)
H12A0.83830.45210.82070.023*
H12B0.92440.35840.79500.023*
C130.8657 (2)0.44761 (12)0.71208 (9)0.0172 (3)
H130.97450.45530.70170.021*
C140.7952 (2)0.37223 (12)0.66496 (9)0.0169 (3)
H140.85620.31300.66760.020*
C150.6204 (2)0.53451 (12)0.68240 (9)0.0176 (3)
H15A0.61720.55220.63230.021*
H15B0.56170.58260.70820.021*
C160.7835 (2)0.54252 (12)0.70678 (9)0.0174 (3)
H160.78500.57350.75380.021*
C170.4825 (2)0.46807 (12)0.81829 (9)0.0160 (3)
H170.55580.52060.81120.019*
C190.2676 (2)0.42064 (14)0.89324 (11)0.0254 (4)
H19A0.18310.42480.86000.030*
H19B0.22820.43460.94050.030*
C210.3093 (2)0.58623 (13)0.86550 (10)0.0239 (4)
H21A0.22310.58030.83330.029*
H21B0.38260.62970.84370.029*
C220.2559 (3)0.62839 (16)0.93459 (11)0.0325 (5)
H22A0.33750.62650.96880.049*
H22B0.17100.59170.95220.049*
H22C0.22500.69410.92720.049*
C230.8432 (2)0.45474 (15)0.96600 (10)0.0280 (4)
H23A0.91640.40920.94800.042*
H23B0.80640.43331.01160.042*
H23C0.89070.51680.97110.042*
C240.3230 (2)0.49072 (13)0.64212 (9)0.0222 (4)
H24A0.22970.46610.62110.027*
H24B0.34480.55340.62130.027*
C250.9100 (2)0.40192 (14)0.55639 (9)0.0235 (4)
H25A0.96030.34040.55800.035*
H25B0.97410.45000.57790.035*
H25C0.89020.41910.50760.035*
C260.9849 (2)0.64858 (14)0.68263 (12)0.0309 (5)
H26A1.05870.59960.69380.046*
H26B0.96180.68490.72490.046*
H26C1.02560.69100.64680.046*
C270.2532 (2)0.26281 (12)0.66158 (10)0.0217 (4)
C280.2948 (3)0.20041 (14)0.60156 (10)0.0290 (4)
H28A0.21560.20240.56620.043*
H28B0.30740.13530.61820.043*
H28C0.38880.22260.58090.043*
U11U22U33U12U13U23
O10.0192 (6)0.0210 (6)0.0201 (6)0.0050 (5)−0.0024 (5)0.0006 (5)
O20.0209 (6)0.0231 (6)0.0169 (6)0.0025 (5)−0.0042 (5)−0.0019 (5)
O30.0232 (6)0.0172 (6)0.0192 (6)−0.0015 (5)−0.0048 (5)−0.0015 (5)
O40.0214 (6)0.0166 (6)0.0205 (6)−0.0012 (5)−0.0026 (5)−0.0049 (5)
O50.0222 (7)0.0412 (8)0.0355 (8)0.0049 (7)−0.0078 (6)−0.0115 (7)
O70.0208 (6)0.0235 (6)0.0139 (6)0.0023 (5)−0.0001 (5)−0.0004 (5)
O80.0231 (6)0.0188 (6)0.0277 (7)−0.0045 (6)0.0002 (6)0.0053 (5)
N10.0202 (7)0.0173 (7)0.0196 (7)−0.0008 (6)0.0042 (6)−0.0032 (6)
C10.0277 (9)0.0134 (7)0.0180 (8)0.0003 (7)−0.0022 (8)0.0013 (6)
C20.0372 (11)0.0245 (9)0.0157 (9)−0.0057 (9)0.0001 (8)0.0021 (7)
C30.0460 (12)0.0281 (10)0.0200 (9)−0.0140 (10)0.0045 (9)0.0034 (8)
C40.0310 (10)0.0225 (9)0.0223 (9)−0.0124 (8)0.0046 (8)−0.0007 (7)
C50.0260 (9)0.0136 (8)0.0191 (9)−0.0036 (7)−0.0001 (7)−0.0005 (6)
C60.0199 (8)0.0156 (8)0.0194 (8)−0.0026 (7)0.0002 (7)−0.0032 (7)
C70.0157 (8)0.0141 (7)0.0187 (8)0.0005 (7)−0.0007 (7)0.0010 (6)
C80.0187 (8)0.0147 (8)0.0140 (8)0.0011 (7)−0.0021 (7)−0.0004 (6)
C90.0184 (8)0.0136 (7)0.0154 (8)0.0008 (7)−0.0009 (7)−0.0007 (6)
C100.0203 (8)0.0136 (7)0.0166 (8)0.0037 (7)−0.0008 (7)0.0006 (6)
C110.0212 (8)0.0120 (7)0.0159 (8)−0.0002 (7)−0.0002 (7)0.0011 (6)
C120.0184 (8)0.0216 (8)0.0185 (8)0.0018 (7)−0.0024 (7)0.0020 (7)
C130.0183 (7)0.0169 (8)0.0166 (8)0.0027 (7)−0.0007 (7)−0.0009 (6)
C140.0195 (8)0.0151 (8)0.0160 (8)0.0026 (7)−0.0003 (7)−0.0011 (6)
C150.0196 (9)0.0151 (8)0.0181 (8)0.0030 (7)0.0006 (7)0.0025 (6)
C160.0203 (8)0.0150 (8)0.0171 (8)−0.0003 (7)0.0012 (7)0.0006 (6)
C170.0181 (8)0.0141 (7)0.0158 (8)−0.0008 (7)0.0019 (7)−0.0009 (6)
C190.0255 (9)0.0284 (10)0.0223 (10)−0.0073 (8)0.0071 (8)−0.0042 (7)
C210.0242 (9)0.0237 (9)0.0240 (9)0.0048 (8)0.0002 (8)−0.0037 (7)
C220.0350 (11)0.0320 (11)0.0304 (11)0.0120 (9)0.0020 (9)−0.0085 (8)
C230.0269 (10)0.0335 (10)0.0237 (9)0.0028 (9)−0.0071 (8)−0.0031 (8)
C240.0216 (9)0.0247 (9)0.0204 (9)0.0032 (8)−0.0043 (7)0.0005 (7)
C250.0234 (8)0.0292 (10)0.0180 (9)−0.0001 (8)0.0025 (7)0.0015 (7)
C260.0256 (10)0.0214 (9)0.0457 (12)−0.0053 (8)−0.0010 (9)−0.0005 (9)
C270.0228 (9)0.0188 (8)0.0236 (9)−0.0038 (8)−0.0021 (7)−0.0003 (7)
C280.0353 (11)0.0275 (10)0.0242 (10)0.0037 (9)−0.0070 (9)−0.0063 (8)
O1—C71.433 (2)C10—C121.568 (2)
O1—C241.438 (2)C10—C111.574 (2)
O2—C241.409 (2)C10—H101.0000
O2—C81.461 (2)C11—C171.550 (2)
O3—C231.424 (2)C12—C131.529 (2)
O3—C11.435 (2)C12—H12A0.9900
O4—C271.354 (2)C12—H12B0.9900
O4—C61.449 (2)C13—C141.531 (2)
O5—C271.198 (2)C13—C161.533 (2)
O7—C251.419 (2)C13—H131.0000
O7—C141.422 (2)C14—H141.0000
O8—C261.422 (2)C15—C161.536 (2)
O8—C161.438 (2)C15—H15A0.9900
N1—C211.466 (2)C15—H15B0.9900
N1—C171.468 (2)C16—H161.0000
N1—C191.469 (2)C17—H171.0000
C1—C21.534 (3)C19—H19A0.9900
C1—C111.557 (2)C19—H19B0.9900
C1—H11.0000C21—C221.525 (3)
C2—C31.518 (3)C21—H21A0.9900
C2—H2A0.9900C21—H21B0.9900
C2—H2B0.9900C22—H22A0.9800
C3—C41.528 (3)C22—H22B0.9800
C3—H3A0.9900C22—H22C0.9800
C3—H3B0.9900C23—H23A0.9800
C4—C51.534 (3)C23—H23B0.9800
C4—C191.543 (3)C23—H23C0.9800
C4—H41.0000C24—H24A0.9900
C5—C61.534 (2)C24—H24B0.9900
C5—C111.552 (2)C25—H25A0.9800
C5—H51.0000C25—H25B0.9800
C6—C71.562 (2)C25—H25C0.9800
C6—H61.0000C26—H26A0.9800
C7—C81.531 (2)C26—H26B0.9800
C7—C171.553 (2)C26—H26C0.9800
C8—C91.522 (2)C27—C281.494 (3)
C8—C151.552 (2)C28—H28A0.9800
C9—C141.526 (2)C28—H28B0.9800
C9—C101.573 (2)C28—H28C0.9800
C9—H91.0000
C7—O1—C24105.84 (13)C12—C13—C14100.56 (14)
C24—O2—C8103.92 (13)C12—C13—C16110.85 (14)
C23—O3—C1113.26 (14)C14—C13—C16111.90 (14)
C27—O4—C6116.41 (14)C12—C13—H13111.0
C25—O7—C14111.81 (14)C14—C13—H13111.0
C26—O8—C16113.22 (15)C16—C13—H13111.0
C21—N1—C17113.23 (14)O7—C14—C9109.93 (14)
C21—N1—C19111.68 (15)O7—C14—C13117.06 (14)
C17—N1—C19115.87 (14)C9—C14—C13102.05 (13)
O3—C1—C2108.29 (14)O7—C14—H14109.1
O3—C1—C11108.02 (13)C9—C14—H14109.1
C2—C1—C11117.18 (16)C13—C14—H14109.1
O3—C1—H1107.7C16—C15—C8118.92 (14)
C2—C1—H1107.7C16—C15—H15A107.6
C11—C1—H1107.7C8—C15—H15A107.6
C3—C2—C1113.19 (16)C16—C15—H15B107.6
C3—C2—H2A108.9C8—C15—H15B107.6
C1—C2—H2A108.9H15A—C15—H15B107.0
C3—C2—H2B108.9O8—C16—C13112.28 (14)
C1—C2—H2B108.9O8—C16—C15104.50 (14)
H2A—C2—H2B107.8C13—C16—C15114.26 (14)
C2—C3—C4110.01 (16)O8—C16—H16108.5
C2—C3—H3A109.7C13—C16—H16108.5
C4—C3—H3A109.7C15—C16—H16108.5
C2—C3—H3B109.7N1—C17—C11110.66 (14)
C4—C3—H3B109.7N1—C17—C7118.36 (14)
H3A—C3—H3B108.2C11—C17—C798.35 (13)
C3—C4—C5109.20 (17)N1—C17—H17109.6
C3—C4—C19113.58 (17)C11—C17—H17109.6
C5—C4—C19109.38 (14)C7—C17—H17109.6
C3—C4—H4108.2N1—C19—C4114.17 (16)
C5—C4—H4108.2N1—C19—H19A108.7
C19—C4—H4108.2C4—C19—H19A108.7
C4—C5—C6108.35 (15)N1—C19—H19B108.7
C4—C5—C11109.64 (14)C4—C19—H19B108.7
C6—C5—C11104.64 (13)H19A—C19—H19B107.6
C4—C5—H5111.3N1—C21—C22112.21 (16)
C6—C5—H5111.3N1—C21—H21A109.2
C11—C5—H5111.3C22—C21—H21A109.2
O4—C6—C5109.86 (14)N1—C21—H21B109.2
O4—C6—C7116.54 (14)C22—C21—H21B109.2
C5—C6—C7104.58 (14)H21A—C21—H21B107.9
O4—C6—H6108.5C21—C22—H22A109.5
C5—C6—H6108.5C21—C22—H22B109.5
C7—C6—H6108.5H22A—C22—H22B109.5
O1—C7—C8101.93 (13)C21—C22—H22C109.5
O1—C7—C17116.49 (14)H22A—C22—H22C109.5
C8—C7—C17110.30 (14)H22B—C22—H22C109.5
O1—C7—C6111.66 (14)O3—C23—H23A109.5
C8—C7—C6114.84 (14)O3—C23—H23B109.5
C17—C7—C6102.17 (13)H23A—C23—H23B109.5
O2—C8—C9113.19 (14)O3—C23—H23C109.5
O2—C8—C798.17 (13)H23A—C23—H23C109.5
C9—C8—C7110.58 (14)H23B—C23—H23C109.5
O2—C8—C15106.73 (13)O2—C24—O1107.87 (14)
C9—C8—C15113.04 (14)O2—C24—H24A110.1
C7—C8—C15114.22 (14)O1—C24—H24A110.1
C8—C9—C14112.02 (14)O2—C24—H24B110.1
C8—C9—C10109.23 (13)O1—C24—H24B110.1
C14—C9—C10102.55 (14)H24A—C24—H24B108.4
C8—C9—H9110.9O7—C25—H25A109.5
C14—C9—H9110.9O7—C25—H25B109.5
C10—C9—H9110.9H25A—C25—H25B109.5
C12—C10—C9103.69 (13)O7—C25—H25C109.5
C12—C10—C11116.83 (14)H25A—C25—H25C109.5
C9—C10—C11117.78 (14)H25B—C25—H25C109.5
C12—C10—H10105.8O8—C26—H26A109.5
C9—C10—H10105.8O8—C26—H26B109.5
C11—C10—H10105.8H26A—C26—H26B109.5
C17—C11—C598.02 (14)O8—C26—H26C109.5
C17—C11—C1114.49 (14)H26A—C26—H26C109.5
C5—C11—C1113.19 (14)H26B—C26—H26C109.5
C17—C11—C10113.31 (13)O5—C27—O4123.60 (17)
C5—C11—C10109.07 (13)O5—C27—C28125.38 (18)
C1—C11—C10108.45 (14)O4—C27—C28111.02 (16)
C13—C12—C10106.23 (14)C27—C28—H28A109.5
C13—C12—H12A110.5C27—C28—H28B109.5
C10—C12—H12A110.5H28A—C28—H28B109.5
C13—C12—H12B110.5C27—C28—H28C109.5
C10—C12—H12B110.5H28A—C28—H28C109.5
H12A—C12—H12B108.7H28B—C28—H28C109.5
C23—O3—C1—C278.45 (18)C2—C1—C11—C10−157.24 (15)
C23—O3—C1—C11−153.71 (15)C12—C10—C11—C1779.16 (18)
O3—C1—C2—C3160.33 (16)C9—C10—C11—C17−45.3 (2)
C11—C1—C2—C337.9 (2)C12—C10—C11—C5−172.79 (14)
C1—C2—C3—C4−52.0 (2)C9—C10—C11—C562.72 (18)
C2—C3—C4—C566.2 (2)C12—C10—C11—C1−49.12 (18)
C2—C3—C4—C19−56.2 (2)C9—C10—C11—C1−173.60 (14)
C3—C4—C5—C6−177.44 (15)C9—C10—C12—C137.26 (17)
C19—C4—C5—C6−52.58 (19)C11—C10—C12—C13−124.09 (15)
C3—C4—C5—C11−63.79 (18)C10—C12—C13—C14−34.41 (16)
C19—C4—C5—C1161.07 (19)C10—C12—C13—C1684.09 (17)
C27—O4—C6—C5153.01 (15)C25—O7—C14—C9−173.13 (14)
C27—O4—C6—C7−88.33 (19)C25—O7—C14—C1371.10 (19)
C4—C5—C6—O4−130.98 (14)C8—C9—C14—O7−53.00 (18)
C11—C5—C6—O4112.10 (15)C10—C9—C14—O7−170.00 (13)
C4—C5—C6—C7103.22 (16)C8—C9—C14—C1371.91 (16)
C11—C5—C6—C7−13.69 (17)C10—C9—C14—C13−45.09 (15)
C24—O1—C7—C828.66 (17)C12—C13—C14—O7169.43 (15)
C24—O1—C7—C17148.75 (15)C16—C13—C14—O751.7 (2)
C24—O1—C7—C6−94.42 (16)C12—C13—C14—C949.40 (15)
O4—C6—C7—O192.28 (17)C16—C13—C14—C9−68.33 (17)
C5—C6—C7—O1−146.23 (14)O2—C8—C15—C16−143.22 (15)
O4—C6—C7—C8−23.1 (2)C9—C8—C15—C16−18.1 (2)
C5—C6—C7—C898.38 (16)C7—C8—C15—C16109.45 (17)
O4—C6—C7—C17−142.51 (15)C26—O8—C16—C13−76.69 (18)
C5—C6—C7—C17−21.02 (16)C26—O8—C16—C15158.94 (14)
C24—O2—C8—C9160.42 (14)C12—C13—C16—O8153.62 (14)
C24—O2—C8—C743.82 (15)C14—C13—C16—O8−94.99 (17)
C24—O2—C8—C15−74.60 (16)C12—C13—C16—C15−87.59 (18)
O1—C7—C8—O2−44.26 (15)C14—C13—C16—C1523.8 (2)
C17—C7—C8—O2−168.60 (13)C8—C15—C16—O8144.03 (15)
C6—C7—C8—O276.63 (16)C8—C15—C16—C1320.9 (2)
O1—C7—C8—C9−162.87 (13)C21—N1—C17—C11172.51 (14)
C17—C7—C8—C972.79 (17)C19—N1—C17—C11−56.6 (2)
C6—C7—C8—C9−41.98 (19)C21—N1—C17—C7−75.16 (19)
O1—C7—C8—C1568.29 (17)C19—N1—C17—C755.8 (2)
C17—C7—C8—C15−56.06 (18)C5—C11—C17—N169.33 (16)
C6—C7—C8—C15−170.82 (14)C1—C11—C17—N1−50.74 (19)
O2—C8—C9—C1492.06 (17)C10—C11—C17—N1−175.83 (14)
C7—C8—C9—C14−158.92 (14)C5—C11—C17—C7−55.31 (14)
C15—C8—C9—C14−29.44 (19)C1—C11—C17—C7−175.38 (14)
O2—C8—C9—C10−155.03 (14)C10—C11—C17—C759.53 (16)
C7—C8—C9—C10−46.01 (18)O1—C7—C17—N150.6 (2)
C15—C8—C9—C1083.48 (17)C8—C7—C17—N1166.10 (14)
C8—C9—C10—C12−96.06 (16)C6—C7—C17—N1−71.36 (17)
C14—C9—C10—C1222.92 (16)O1—C7—C17—C11169.57 (14)
C8—C9—C10—C1134.7 (2)C8—C7—C17—C11−74.93 (15)
C14—C9—C10—C11153.71 (14)C6—C7—C17—C1147.61 (15)
C4—C5—C11—C17−73.03 (16)C21—N1—C19—C4170.95 (16)
C6—C5—C11—C1743.00 (16)C17—N1—C19—C439.3 (2)
C4—C5—C11—C148.02 (19)C3—C4—C19—N181.9 (2)
C6—C5—C11—C1164.04 (14)C5—C4—C19—N1−40.3 (2)
C4—C5—C11—C10168.83 (14)C17—N1—C21—C22−156.45 (16)
C6—C5—C11—C10−75.14 (16)C19—N1—C21—C2270.6 (2)
O3—C1—C11—C17−47.39 (19)C8—O2—C24—O1−28.12 (17)
C2—C1—C11—C1775.15 (19)C7—O1—C24—O2−1.39 (18)
O3—C1—C11—C5−158.61 (14)C6—O4—C27—O5−11.0 (3)
C2—C1—C11—C5−36.1 (2)C6—O4—C27—C28168.90 (15)
O3—C1—C11—C1080.22 (16)
  3 in total

1.  A short history of SHELX.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A       Date:  2007-12-21       Impact factor: 2.290

2.  8β-Acet-oxy-14α-benzo-yloxy-N-ethyl-3α,10β,13β,15α-tetra-hydr-oxy-1α,6α,16β-trimeth-oxy-4β-(methoxy-methyl-ene)aconitane: aconifine from Aconitum karakolicum Rapaics.

Authors:  Bakhodir Tashkhodjaev; Mukhlis N Sultankhodjaev
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2009-06-10

3.  New C18-diterpenoid alkaloids from Delphinium anthriscifolium var. savatieri.

Authors:  Lei Song; Xiao-Xia Liang; Dong-Lin Chen; Xi-Xian Jian; Feng-Peng Wang
Journal:  Chem Pharm Bull (Tokyo)       Date:  2007-06       Impact factor: 1.645

  3 in total

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