Literature DB >> 22412523

Ergotaminine.

Stefan Merkel1, Robert Köppen, Matthias Koch, Franziska Emmerling, Irene Nehls.   

Abstract

The title compound {systematic name: (6aR,9S)-N-[(2R,5S,10aS,10bS)-5-benzyl-10b-hy-droxy-2-methyl-3,6-dioxoocta-hydro-8H-oxazolo[3,2-a]pyrrolo-[2,1-c]pyrazin-2-yl]-7-methyl-4,6,6a,7,8,9-hexa-hydro-indolo[4,3-fg]quinoline-9-carboxamide}, C(33)H(35)N(5)O(5), was formed by an epimerization reaction of ergotamine. The non-aromatic ring (ring C of the ergoline skeleton) directly fused to the aromatic rings is nearly planar [maximum deviation = 0.317 (4) Å] and shows an envelope conformation, whereas ring D, involved in an intra-molecular N-H⋯N hydrogen bond exhibits a slightly distorted chair conformation. The structure displays chains running approximately parallel to the diagonal of bc plane that are formed through N-H⋯O hydrogen bonds.

Entities:  

Year:  2012        PMID: 22412523      PMCID: PMC3295412          DOI: 10.1107/S1600536812003674

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


Related literature

Ergotaminine is an ergot alkaloid formed by, among others, the fungus Claviceps purpurea on cereal grains and grasses during the growth process; see: Crews et al. (2009 ▶); Müller et al. (2009 ▶). For investigations of the biologically inactive C8-(S)-isomer ergotaminine, see: Pierri et al. (1982 ▶); Komarova & Tolkachev (2001 ▶). For the crystal structure of ergotamine tartrate ethanol solvate, see: Pakhomova et al. (1995 ▶). For the crystal structure of ergometrinine, another C8-(S)-configured ergotalkaloid, see: Merkel et al. (2010 ▶). For the solubility of ergotaminine, see: Stoll (1945 ▶).

Experimental

Crystal data

C33H35N5O5 M = 581.66 Monoclinic, a = 10.974 (3) Å b = 9.662 (2) Å c = 14.450 (4) Å β = 105.059 (15)° V = 1479.5 (7) Å3 Z = 2 Mo Kα radiation μ = 0.09 mm−1 T = 296 K 0.2 × 0.1 × 0.06 mm

Data collection

Bruker APEX CCD area-detector diffractometer Absorption correction: multi-scan (SADABS; Bruker, 2001 ▶) T min = 0.879, T max = 0.986 20196 measured reflections 2781 independent reflections 2240 reflections with I > 2σ(I) R int = 0.087

Refinement

R[F 2 > 2σ(F 2)] = 0.047 wR(F 2) = 0.093 S = 1.12 2781 reflections 390 parameters 1 restraint H-atom parameters constrained Δρmax = 0.15 e Å−3 Δρmin = −0.19 e Å−3 Absolute structure: determined from the synthesis Data collection: SMART (Bruker, 2001 ▶); cell refinement: SAINT (Bruker, 2001 ▶); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: SHELXTL (Sheldrick, 2008 ▶) and ORTEPIII (Burnett & Johnson, 1996 ▶); software used to prepare material for publication: SHELXTL. Crystal structure: contains datablock(s) I, global. DOI: 10.1107/S1600536812003674/ds2173sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S1600536812003674/ds2173Isup2.hkl Supplementary material file. DOI: 10.1107/S1600536812003674/ds2173Isup3.mol Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C33H35N5O5F(000) = 616
Mr = 581.66Dx = 1.306 Mg m3
Monoclinic, P21Mo Kα radiation, λ = 0.71073 Å
Hall symbol: P 2ybCell parameters from 86 reflections
a = 10.974 (3) Åθ = 4–29°
b = 9.662 (2) ŵ = 0.09 mm1
c = 14.450 (4) ÅT = 296 K
β = 105.059 (15)°Plate, colourless
V = 1479.5 (7) Å30.2 × 0.1 × 0.06 mm
Z = 2
Bruker APEX CCD area-detector diffractometer2781 independent reflections
Radiation source: fine-focus sealed tube2240 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.087
ω/2θ scansθmax = 25.1°, θmin = 1.5°
Absorption correction: multi-scan (SADABS; Bruker, 2001)h = −12→12
Tmin = 0.879, Tmax = 0.986k = −11→11
20196 measured reflectionsl = −14→17
Refinement on F2Secondary atom site location: difference Fourier map
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.047H-atom parameters constrained
wR(F2) = 0.093w = 1/[σ2(Fo2) + (0.0345P)2] where P = (Fo2 + 2Fc2)/3
S = 1.12(Δ/σ)max < 0.001
2781 reflectionsΔρmax = 0.15 e Å3
390 parametersΔρmin = −0.19 e Å3
1 restraintAbsolute structure: syn
Primary atom site location: structure-invariant direct methods
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
O10.2567 (2)0.1765 (2)0.57682 (16)0.0564 (7)
O20.3529 (2)0.2000 (2)0.45142 (16)0.0526 (6)
H10.35250.28460.45590.079*
O3−0.0202 (3)0.3535 (3)0.45451 (19)0.0753 (8)
O40.2943 (3)0.4688 (3)0.52044 (19)0.0787 (9)
O50.0781 (3)−0.0063 (3)0.21039 (18)0.0726 (8)
N10.1306 (2)0.2059 (3)0.42571 (18)0.0458 (7)
N20.2054 (3)0.3898 (3)0.6360 (2)0.0589 (8)
H20.18510.41180.68770.071*
N30.3774 (3)0.4339 (3)0.8282 (2)0.0594 (8)
N40.1372 (4)0.7970 (5)1.0691 (3)0.0918 (13)
H30.10680.83441.11230.110*
N50.2018 (2)−0.0396 (3)0.36023 (19)0.0478 (7)
C10.2503 (3)0.1457 (3)0.4785 (2)0.0438 (8)
C20.0775 (3)0.2859 (4)0.4814 (3)0.0529 (9)
C30.1537 (3)0.2655 (4)0.5853 (2)0.0513 (9)
C40.2866 (4)0.4728 (4)0.6038 (3)0.0606 (10)
C50.3716 (4)0.5658 (4)0.6793 (3)0.0626 (11)
H40.42990.61300.64870.075*
C60.4514 (4)0.4756 (4)0.7608 (3)0.0710 (12)
H50.47990.39360.73380.085*
H60.52530.52700.79510.085*
C70.3456 (3)0.5530 (4)0.8811 (3)0.0563 (10)
H70.42270.58130.92870.068*
C80.2471 (4)0.5103 (4)0.9358 (3)0.0649 (11)
H80.17360.47070.89130.078*
H90.28300.44070.98340.078*
C90.2085 (4)0.6349 (5)0.9840 (3)0.0637 (11)
C100.1623 (4)0.6591 (6)1.0624 (3)0.0858 (14)
H100.14990.59141.10480.103*
C110.1678 (4)0.8663 (5)0.9949 (3)0.0732 (12)
C120.2133 (3)0.7655 (4)0.9420 (3)0.0573 (10)
C130.2523 (3)0.7954 (4)0.8593 (3)0.0532 (9)
C140.3004 (3)0.6764 (4)0.8136 (2)0.0487 (9)
C150.3054 (3)0.6754 (4)0.7218 (3)0.0548 (9)
H110.26540.74670.68220.066*
C160.2457 (4)0.9325 (4)0.8304 (3)0.0661 (11)
H120.27180.95800.77650.079*
C170.1988 (4)1.0347 (4)0.8837 (3)0.0831 (14)
H130.19441.12620.86310.100*
C180.1594 (4)1.0026 (6)0.9656 (3)0.0841 (15)
H140.12861.07050.99910.101*
C190.4491 (5)0.3282 (5)0.8935 (3)0.0904 (14)
H150.47200.25450.85670.136*
H160.39800.29200.93260.136*
H170.52400.36900.93360.136*
C200.0706 (4)0.1934 (5)0.6393 (3)0.0718 (11)
H180.00200.25320.64260.108*
H190.11950.17180.70300.108*
H200.03780.10950.60660.108*
C210.0681 (3)0.1685 (4)0.3258 (2)0.0502 (9)
H21−0.02080.15230.32350.060*
C220.1174 (3)0.0328 (4)0.2951 (3)0.0507 (9)
C230.2471 (3)−0.0094 (4)0.4643 (2)0.0470 (8)
H220.1881−0.04990.49730.056*
C240.3714 (4)−0.0875 (4)0.4936 (3)0.0651 (11)
H230.4400−0.03250.48220.078*
H240.3914−0.11340.56070.078*
C250.3467 (4)−0.2143 (4)0.4293 (3)0.0805 (13)
H250.3059−0.28620.45730.097*
H260.4252−0.25050.42020.097*
C260.2613 (4)−0.1660 (4)0.3349 (3)0.0577 (10)
H270.3097−0.14560.28910.069*
H280.1984−0.23550.30800.069*
C270.0694 (4)0.2867 (4)0.2538 (3)0.0658 (11)
H290.01730.25840.19170.079*
H300.02960.36690.27370.079*
C280.1947 (4)0.3310 (4)0.2411 (2)0.0551 (10)
C290.2512 (5)0.2625 (5)0.1781 (3)0.0706 (12)
H310.21150.18590.14430.085*
C300.3658 (5)0.3069 (5)0.1651 (3)0.0863 (15)
H320.40210.25970.12290.104*
C310.4258 (5)0.4192 (6)0.2138 (4)0.0921 (15)
H330.50200.44940.20410.110*
C320.3729 (5)0.4871 (5)0.2769 (3)0.0867 (13)
H340.41430.56240.31130.104*
C330.2586 (4)0.4445 (4)0.2899 (3)0.0667 (11)
H350.22340.49270.33230.080*
U11U22U33U12U13U23
O10.0583 (15)0.0628 (17)0.0461 (14)0.0085 (13)0.0098 (12)−0.0074 (12)
O20.0457 (13)0.0436 (13)0.0695 (15)−0.0059 (11)0.0167 (12)0.0008 (12)
O30.0698 (18)0.077 (2)0.0795 (18)0.0295 (17)0.0199 (15)−0.0057 (16)
O40.127 (3)0.0594 (17)0.0620 (17)−0.0228 (17)0.0460 (17)−0.0118 (14)
O50.0844 (19)0.0737 (18)0.0501 (15)0.0090 (16)0.0004 (14)−0.0174 (14)
N10.0429 (15)0.0467 (16)0.0466 (16)0.0038 (14)0.0095 (13)−0.0067 (14)
N20.078 (2)0.0510 (18)0.0569 (19)−0.0101 (16)0.0347 (17)−0.0146 (15)
N30.0624 (19)0.0521 (19)0.0624 (19)0.0094 (16)0.0140 (16)−0.0056 (16)
N40.107 (3)0.116 (4)0.056 (2)0.025 (3)0.027 (2)−0.015 (2)
N50.0486 (16)0.0409 (16)0.0509 (16)0.0013 (13)0.0077 (13)−0.0074 (13)
C10.0418 (19)0.0470 (19)0.0424 (19)−0.0020 (16)0.0107 (16)−0.0030 (15)
C20.053 (2)0.046 (2)0.062 (2)0.0042 (19)0.0190 (19)−0.0042 (18)
C30.057 (2)0.047 (2)0.053 (2)0.0019 (18)0.0218 (18)−0.0087 (17)
C40.080 (3)0.051 (2)0.058 (2)−0.008 (2)0.031 (2)−0.013 (2)
C50.071 (3)0.056 (2)0.071 (3)−0.014 (2)0.037 (2)−0.018 (2)
C60.059 (2)0.065 (3)0.093 (3)0.000 (2)0.026 (2)−0.021 (3)
C70.054 (2)0.056 (2)0.054 (2)0.0060 (19)0.0054 (18)−0.0090 (18)
C80.069 (3)0.064 (3)0.061 (2)0.001 (2)0.016 (2)0.004 (2)
C90.061 (2)0.082 (3)0.047 (2)0.008 (2)0.012 (2)−0.001 (2)
C100.095 (3)0.109 (4)0.054 (3)0.013 (3)0.022 (3)0.004 (3)
C110.073 (3)0.093 (4)0.047 (2)0.014 (3)0.005 (2)−0.017 (2)
C120.053 (2)0.070 (3)0.044 (2)0.005 (2)0.0044 (18)−0.014 (2)
C130.051 (2)0.053 (2)0.051 (2)0.0027 (18)0.0046 (17)−0.0153 (18)
C140.0437 (19)0.052 (2)0.049 (2)−0.0028 (17)0.0092 (16)−0.0082 (17)
C150.060 (2)0.048 (2)0.058 (2)−0.0043 (18)0.0192 (19)−0.0085 (18)
C160.071 (3)0.064 (3)0.060 (2)0.005 (2)0.013 (2)−0.012 (2)
C170.100 (3)0.059 (3)0.081 (3)0.017 (2)0.007 (3)−0.021 (2)
C180.094 (3)0.094 (4)0.056 (3)0.025 (3)0.005 (2)−0.033 (3)
C190.091 (3)0.070 (3)0.100 (3)0.023 (3)0.006 (3)0.006 (3)
C200.083 (3)0.067 (3)0.074 (3)−0.011 (2)0.036 (2)−0.003 (2)
C210.0438 (19)0.050 (2)0.053 (2)0.0042 (17)0.0063 (16)−0.0035 (17)
C220.047 (2)0.051 (2)0.052 (2)0.0033 (17)0.0077 (17)−0.0039 (17)
C230.0468 (19)0.0442 (18)0.050 (2)0.0003 (16)0.0123 (16)−0.0009 (16)
C240.068 (3)0.049 (2)0.070 (2)0.009 (2)0.003 (2)0.001 (2)
C250.085 (3)0.056 (2)0.089 (3)0.018 (2)0.003 (2)−0.012 (2)
C260.059 (2)0.047 (2)0.070 (2)0.0059 (19)0.021 (2)−0.0106 (19)
C270.072 (3)0.068 (3)0.053 (2)0.023 (2)0.007 (2)0.002 (2)
C280.067 (3)0.050 (2)0.046 (2)0.0169 (19)0.0103 (19)0.0089 (18)
C290.093 (3)0.065 (3)0.058 (2)0.014 (3)0.028 (2)−0.003 (2)
C300.116 (4)0.075 (3)0.081 (3)0.034 (3)0.049 (3)0.013 (3)
C310.085 (3)0.084 (4)0.117 (4)0.019 (3)0.044 (3)0.031 (3)
C320.091 (4)0.070 (3)0.094 (3)0.001 (3)0.015 (3)0.003 (3)
C330.086 (3)0.055 (3)0.060 (2)0.010 (2)0.022 (2)−0.001 (2)
O1—C11.435 (4)C13—C161.385 (5)
O1—C31.451 (4)C13—C141.490 (5)
O2—C11.388 (4)C14—C151.340 (5)
O2—H10.8201C15—H110.9300
O3—C21.229 (4)C16—C171.428 (6)
O4—C41.230 (4)C16—H120.9300
O5—C221.246 (4)C17—C181.396 (6)
N1—C21.353 (4)C17—H130.9300
N1—C11.458 (4)C18—H140.9300
N1—C211.474 (4)C19—H150.9600
N2—C41.367 (5)C19—H160.9600
N2—C31.444 (4)C19—H170.9600
N2—H20.8600C20—H180.9600
N3—C191.472 (5)C20—H190.9600
N3—C71.472 (4)C20—H200.9600
N3—C61.477 (5)C21—C221.527 (5)
N4—C101.369 (6)C21—C271.547 (5)
N4—C111.378 (6)C21—H210.9800
N4—H30.8600C23—C241.519 (5)
N5—C221.334 (4)C23—H220.9800
N5—C261.475 (4)C24—C251.519 (6)
N5—C231.485 (4)C24—H230.9700
C1—C231.512 (5)C24—H240.9700
C2—C31.529 (5)C25—C261.514 (5)
C3—C201.515 (5)C25—H250.9700
C4—C51.530 (5)C25—H260.9700
C5—C151.503 (5)C26—H270.9700
C5—C61.542 (6)C26—H280.9700
C5—H40.9800C27—C281.495 (5)
C6—H50.9700C27—H290.9700
C6—H60.9700C27—H300.9700
C7—C141.539 (5)C28—C331.391 (5)
C7—C81.552 (5)C28—C291.395 (5)
C7—H70.9800C29—C301.387 (6)
C8—C91.506 (5)C29—H310.9300
C8—H80.9700C30—C311.366 (7)
C8—H90.9700C30—H320.9300
C9—C101.376 (5)C31—C321.370 (6)
C9—C121.407 (6)C31—H330.9300
C10—H100.9300C32—C331.378 (6)
C11—C181.379 (7)C32—H340.9300
C11—C121.406 (5)C33—H350.9300
C12—C131.400 (5)
C1—O1—C3111.6 (2)C5—C15—H11118.1
C1—O2—H1109.5C13—C16—C17119.8 (4)
C2—N1—C1112.7 (3)C13—C16—H12120.1
C2—N1—C21124.1 (3)C17—C16—H12120.1
C1—N1—C21122.8 (3)C18—C17—C16122.5 (4)
C4—N2—C3121.4 (3)C18—C17—H13118.7
C4—N2—H2119.3C16—C17—H13118.7
C3—N2—H2119.4C11—C18—C17117.5 (4)
C19—N3—C7111.6 (3)C11—C18—H14121.3
C19—N3—C6108.5 (3)C17—C18—H14121.3
C7—N3—C6112.0 (3)N3—C19—H15109.5
C10—N4—C11108.9 (4)N3—C19—H16109.5
C10—N4—H3125.7H15—C19—H16109.5
C11—N4—H3125.5N3—C19—H17109.5
C22—N5—C26122.0 (3)H15—C19—H17109.5
C22—N5—C23126.8 (3)H16—C19—H17109.5
C26—N5—C23111.1 (3)C3—C20—H18109.5
O2—C1—O1111.5 (3)C3—C20—H19109.5
O2—C1—N1112.8 (3)H18—C20—H19109.5
O1—C1—N1104.0 (2)C3—C20—H20109.5
O2—C1—C23109.2 (3)H18—C20—H20109.5
O1—C1—C23109.5 (3)H19—C20—H20109.5
N1—C1—C23109.8 (3)N1—C21—C22112.7 (3)
O3—C2—N1126.2 (3)N1—C21—C27113.2 (3)
O3—C2—C3126.1 (3)C22—C21—C27111.9 (3)
N1—C2—C3107.5 (3)N1—C21—H21106.1
N2—C3—O1108.9 (3)C22—C21—H21106.1
N2—C3—C20109.3 (3)C27—C21—H21106.1
O1—C3—C20110.9 (3)O5—C22—N5122.3 (3)
N2—C3—C2115.7 (3)O5—C22—C21119.1 (3)
O1—C3—C2103.4 (3)N5—C22—C21118.6 (3)
C20—C3—C2108.5 (3)N5—C23—C1108.8 (3)
O4—C4—N2122.1 (3)N5—C23—C24103.0 (3)
O4—C4—C5122.2 (4)C1—C23—C24117.8 (3)
N2—C4—C5115.7 (3)N5—C23—H22108.9
C15—C5—C4115.8 (3)C1—C23—H22108.9
C15—C5—C6109.0 (3)C24—C23—H22108.9
C4—C5—C6109.4 (3)C25—C24—C23103.0 (3)
C15—C5—H4107.4C25—C24—H23111.2
C4—C5—H4107.4C23—C24—H23111.2
C6—C5—H4107.4C25—C24—H24111.2
N3—C6—C5110.9 (3)C23—C24—H24111.2
N3—C6—H5109.5H23—C24—H24109.1
C5—C6—H5109.5C24—C25—C26105.8 (3)
N3—C6—H6109.5C24—C25—H25110.6
C5—C6—H6109.5C26—C25—H25110.6
H5—C6—H6108.0C24—C25—H26110.6
N3—C7—C14110.9 (3)C26—C25—H26110.6
N3—C7—C8110.3 (3)H25—C25—H26108.7
C14—C7—C8112.1 (3)N5—C26—C25104.0 (3)
N3—C7—H7107.8N5—C26—H27111.0
C14—C7—H7107.8C25—C26—H27111.0
C8—C7—H7107.8N5—C26—H28111.0
C9—C8—C7109.9 (3)C25—C26—H28111.0
C9—C8—H8109.7H27—C26—H28109.0
C7—C8—H8109.7C28—C27—C21117.6 (3)
C9—C8—H9109.7C28—C27—H29107.9
C7—C8—H9109.7C21—C27—H29107.9
H8—C8—H9108.2C28—C27—H30107.9
C10—C9—C12105.4 (4)C21—C27—H30107.9
C10—C9—C8136.4 (4)H29—C27—H30107.2
C12—C9—C8118.1 (3)C33—C28—C29117.0 (4)
N4—C10—C9110.3 (4)C33—C28—C27121.5 (4)
N4—C10—H10124.8C29—C28—C27121.5 (4)
C9—C10—H10124.8C30—C29—C28121.0 (4)
N4—C11—C18133.8 (4)C30—C29—H31119.5
N4—C11—C12106.2 (4)C28—C29—H31119.5
C18—C11—C12120.0 (4)C31—C30—C29120.6 (5)
C13—C12—C11123.4 (4)C31—C30—H32119.7
C13—C12—C9127.4 (3)C29—C30—H32119.7
C11—C12—C9109.2 (4)C30—C31—C32119.5 (5)
C16—C13—C12116.8 (3)C30—C31—H33120.3
C16—C13—C14127.0 (3)C32—C31—H33120.3
C12—C13—C14116.2 (3)C31—C32—C33120.4 (5)
C15—C14—C13123.6 (3)C31—C32—H34119.8
C15—C14—C7122.2 (3)C33—C32—H34119.8
C13—C14—C7114.2 (3)C32—C33—C28121.6 (4)
C14—C15—C5123.9 (4)C32—C33—H35119.2
C14—C15—H11118.1C28—C33—H35119.2
C3—O1—C1—O2115.5 (3)C9—C12—C13—C14−3.5 (5)
C3—O1—C1—N1−6.4 (3)C16—C13—C14—C15−23.1 (6)
C3—O1—C1—C23−123.6 (3)C12—C13—C14—C15159.1 (3)
C2—N1—C1—O2−111.3 (3)C16—C13—C14—C7156.5 (4)
C21—N1—C1—O275.9 (4)C12—C13—C14—C7−21.3 (4)
C2—N1—C1—O19.6 (4)N3—C7—C14—C15−7.1 (5)
C21—N1—C1—O1−163.2 (3)C8—C7—C14—C15−130.9 (4)
C2—N1—C1—C23126.7 (3)N3—C7—C14—C13173.2 (3)
C21—N1—C1—C23−46.1 (4)C8—C7—C14—C1349.5 (4)
C1—N1—C2—O3176.7 (4)C13—C14—C15—C5170.2 (3)
C21—N1—C2—O3−10.6 (6)C7—C14—C15—C5−9.4 (5)
C1—N1—C2—C3−8.9 (4)C4—C5—C15—C14113.1 (4)
C21—N1—C2—C3163.8 (3)C6—C5—C15—C14−10.7 (5)
C4—N2—C3—O156.9 (4)C12—C13—C16—C17−1.0 (5)
C4—N2—C3—C20178.3 (3)C14—C13—C16—C17−178.8 (4)
C4—N2—C3—C2−59.0 (5)C13—C16—C17—C180.5 (6)
C1—O1—C3—N2−122.1 (3)N4—C11—C18—C17−178.9 (4)
C1—O1—C3—C20117.6 (3)C12—C11—C18—C17−0.8 (7)
C1—O1—C3—C21.5 (4)C16—C17—C18—C110.5 (7)
O3—C2—C3—N2−62.1 (5)C2—N1—C21—C22−154.1 (3)
N1—C2—C3—N2123.5 (3)C1—N1—C21—C2217.9 (4)
O3—C2—C3—O1178.9 (4)C2—N1—C21—C2777.7 (4)
N1—C2—C3—O14.5 (4)C1—N1—C21—C27−110.3 (3)
O3—C2—C3—C2061.1 (5)C26—N5—C22—O54.5 (5)
N1—C2—C3—C20−113.3 (3)C23—N5—C22—O5−174.5 (3)
C3—N2—C4—O419.6 (6)C26—N5—C22—C21−175.2 (3)
C3—N2—C4—C5−157.6 (3)C23—N5—C22—C215.7 (5)
O4—C4—C5—C15117.7 (4)N1—C21—C22—O5−175.5 (3)
N2—C4—C5—C15−65.1 (5)C27—C21—C22—O5−46.7 (4)
O4—C4—C5—C6−118.7 (4)N1—C21—C22—N54.2 (4)
N2—C4—C5—C658.5 (4)C27—C21—C22—N5133.1 (3)
C19—N3—C6—C5169.6 (3)C22—N5—C23—C1−33.7 (4)
C7—N3—C6—C5−66.7 (4)C26—N5—C23—C1147.2 (3)
C15—C5—C6—N347.1 (4)C22—N5—C23—C24−159.5 (3)
C4—C5—C6—N3−80.4 (4)C26—N5—C23—C2421.4 (4)
C19—N3—C7—C14166.1 (3)O2—C1—C23—N5−74.8 (3)
C6—N3—C7—C1444.2 (4)O1—C1—C23—N5162.9 (2)
C19—N3—C7—C8−69.1 (4)N1—C1—C23—N549.3 (3)
C6—N3—C7—C8169.0 (3)O2—C1—C23—C2441.9 (4)
N3—C7—C8—C9−176.1 (3)O1—C1—C23—C24−80.4 (4)
C14—C7—C8—C9−52.0 (4)N1—C1—C23—C24166.0 (3)
C7—C8—C9—C10−154.0 (5)N5—C23—C24—C25−33.9 (4)
C7—C8—C9—C1228.8 (5)C1—C23—C24—C25−153.6 (3)
C11—N4—C10—C9−0.5 (6)C23—C24—C25—C2635.2 (4)
C12—C9—C10—N40.9 (5)C22—N5—C26—C25−178.9 (3)
C8—C9—C10—N4−176.5 (4)C23—N5—C26—C250.2 (4)
C10—N4—C11—C18178.1 (5)C24—C25—C26—N5−22.0 (4)
C10—N4—C11—C12−0.1 (5)N1—C21—C27—C2865.2 (4)
N4—C11—C12—C13178.8 (3)C22—C21—C27—C28−63.3 (4)
C18—C11—C12—C130.2 (6)C21—C27—C28—C33−96.9 (4)
N4—C11—C12—C90.7 (5)C21—C27—C28—C2984.6 (4)
C18—C11—C12—C9−177.8 (4)C33—C28—C29—C30−0.2 (5)
C10—C9—C12—C13−179.0 (4)C27—C28—C29—C30178.3 (4)
C8—C9—C12—C13−1.0 (6)C28—C29—C30—C31−0.1 (6)
C10—C9—C12—C11−1.0 (4)C29—C30—C31—C321.0 (7)
C8—C9—C12—C11177.0 (3)C30—C31—C32—C33−1.4 (7)
C11—C12—C13—C160.7 (5)C31—C32—C33—C281.1 (6)
C9—C12—C13—C16178.4 (4)C29—C28—C33—C32−0.2 (5)
C11—C12—C13—C14178.7 (3)C27—C28—C33—C32−178.7 (4)
D—H···AD—HH···AD···AD—H···A
N2—H2···N30.862.532.955 (4)112
N4—H3···O5i0.862.172.981 (5)157
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
N2—H2⋯N30.862.532.955 (4)112
N4—H3⋯O5i0.862.172.981 (5)157

Symmetry code: (i) .

  5 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.  A basic tool for risk assessment: a new method for the analysis of ergot alkaloids in rye and selected rye products.

Authors:  Carola Müller; Sabine Kemmlein; Horst Klaffke; Werner Krauthause; Angelika Preiss-Weigert; Reiner Wittkowski
Journal:  Mol Nutr Food Res       Date:  2009-04       Impact factor: 5.914

3.  Ergot alkaloids in some rye-based UK cereal products.

Authors:  C Crews; W A C Anderson; G Rees; R Krska
Journal:  Food Addit Contam Part B Surveill       Date:  2009       Impact factor: 3.407

4.  Conformational analysis of the ergot alkaloids ergotamine and ergotaminine.

Authors:  L Pierri; I H Pitman; I D Rae; D A Winkler; P R Andrews
Journal:  J Med Chem       Date:  1982-08       Impact factor: 7.446

5.  Ergometrinine.

Authors:  Stefan Merkel; Robert Köppen; Matthias Koch; Franziska Emmerling; Irene Nehls
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2010-08-11
  5 in total

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