Literature DB >> 21754076

3,3,6,6-Tetra-methyl-9-[6-(3,3,6,6-tetra-methyl-1,8-dioxo-2,3,4,5,6,7,8,9-octa-hydro-1H-xanthen-9-yl)pyridin-2-yl]-2,3,4,5,6,7,8,9-octa-hydro-1H-xanthene-1,8-dione.

Antar A Abdelhamid, Shaaban Kamel Mohamed, Mirze A Allahverdiyev, Atash V Gurbanov, Seik Weng Ng.   

Abstract

In the title mol-ecule, C(39)H(45)NO(6), the two tetra-methyl-octa-hydroxanthen-1,8-dione substituents are arranged approximately parallel to each other and approximately perpendicular to the plane of the pyridine ring. The six-membered xanthene rings adopt flattened boat conformations with the O and methine C atoms deviating from the plane of the other four atoms.

Entities:  

Year:  2011        PMID: 21754076      PMCID: PMC3100053          DOI: 10.1107/S1600536811007318

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


Related literature

For a related structure, see: Mohamed et al. (2011 ▶).

Experimental

Crystal data

C39H45NO6 M = 623.76 Monoclinic, a = 24.1384 (8) Å b = 10.0371 (4) Å c = 14.4408 (5) Å β = 105.8460 (7)° V = 3365.8 (2) Å3 Z = 4 Mo Kα radiation μ = 0.08 mm−1 T = 100 K 0.30 × 0.30 × 0.30 mm

Data collection

Bruker APEXII diffractometer 35921 measured reflections 7717 independent reflections 6410 reflections with I > 2σ(I) R int = 0.035

Refinement

R[F 2 > 2σ(F 2)] = 0.041 wR(F 2) = 0.111 S = 1.03 7717 reflections 415 parameters H-atom parameters constrained Δρmax = 0.35 e Å−3 Δρmin = −0.25 e Å−3 Data collection: APEX2 (Bruker, 2005 ▶); cell refinement: SAINT (Bruker, 2005 ▶); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: X-SEED (Barbour, 2001 ▶); software used to prepare material for publication: publCIF (Westrip, 2010 ▶). Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536811007318/lh5213sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536811007318/lh5213Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C39H45NO6F(000) = 1336
Mr = 623.76Dx = 1.231 Mg m3
Monoclinic, P21/cMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybcCell parameters from 9997 reflections
a = 24.1384 (8) Åθ = 2.2–28.3°
b = 10.0371 (4) ŵ = 0.08 mm1
c = 14.4408 (5) ÅT = 100 K
β = 105.8460 (7)°Prism, yellow
V = 3365.8 (2) Å30.30 × 0.30 × 0.30 mm
Z = 4
Bruker APEXII diffractometer6410 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tubeRint = 0.035
graphiteθmax = 27.5°, θmin = 0.9°
φ and ω scansh = −31→31
35921 measured reflectionsk = −13→13
7717 independent reflectionsl = −18→18
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.041Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.111H-atom parameters constrained
S = 1.03w = 1/[σ2(Fo2) + (0.0516P)2 + 1.4985P] where P = (Fo2 + 2Fc2)/3
7717 reflections(Δ/σ)max = 0.001
415 parametersΔρmax = 0.35 e Å3
0 restraintsΔρmin = −0.25 e Å3
xyzUiso*/Ueq
O10.25761 (4)0.57513 (8)0.57197 (6)0.01520 (18)
O20.14471 (4)0.79864 (10)0.29720 (7)0.0240 (2)
O30.36827 (4)0.79429 (9)0.39499 (7)0.0219 (2)
O40.24055 (4)0.16338 (10)0.42959 (6)0.0194 (2)
O50.35334 (4)0.23059 (10)0.21320 (7)0.0235 (2)
O60.12820 (4)0.24399 (11)0.11215 (7)0.0283 (2)
N10.24746 (4)0.48227 (10)0.31079 (7)0.0153 (2)
C10.25467 (5)0.61420 (12)0.30329 (8)0.0139 (2)
C20.26132 (5)0.67429 (13)0.22082 (9)0.0171 (2)
H20.26680.76780.21870.020*
C30.25984 (5)0.59557 (13)0.14138 (9)0.0185 (3)
H30.26440.63410.08380.022*
C40.25163 (5)0.46041 (13)0.14736 (9)0.0163 (2)
H40.24980.40440.09360.020*
C50.24614 (5)0.40734 (12)0.23306 (8)0.0142 (2)
C60.25609 (5)0.70059 (12)0.39089 (8)0.0143 (2)
H60.25670.79600.37120.017*
C70.30987 (5)0.67488 (12)0.47187 (9)0.0144 (2)
C80.36561 (5)0.72160 (12)0.46172 (9)0.0160 (2)
C90.41928 (5)0.67402 (13)0.53518 (9)0.0189 (3)
H9A0.45120.73620.53550.023*
H9B0.43000.58550.51510.023*
C100.41313 (5)0.66312 (13)0.63785 (9)0.0196 (3)
C110.35893 (5)0.58161 (13)0.63655 (9)0.0168 (2)
H11A0.36800.48570.63430.020*
H11B0.34840.59800.69720.020*
C120.30824 (5)0.61373 (12)0.55352 (9)0.0139 (2)
C130.46594 (6)0.59178 (16)0.70204 (11)0.0294 (3)
H13A0.50070.64300.70340.044*
H13B0.46900.50260.67630.044*
H13C0.46190.58420.76750.044*
C140.40892 (6)0.80262 (14)0.67847 (10)0.0260 (3)
H14A0.44360.85350.67890.039*
H14B0.40540.79510.74430.039*
H14C0.37500.84840.63820.039*
C150.20391 (5)0.68011 (12)0.42723 (9)0.0148 (2)
C160.14805 (5)0.73105 (13)0.36908 (9)0.0172 (2)
C170.09520 (5)0.69456 (13)0.40051 (9)0.0193 (3)
H17A0.08110.60650.37310.023*
H17B0.06460.76070.37370.023*
C180.10563 (5)0.68897 (13)0.51000 (9)0.0181 (3)
C190.15724 (5)0.59658 (12)0.55268 (9)0.0174 (2)
H19A0.17040.61020.62320.021*
H19B0.14460.50280.54090.021*
C200.20658 (5)0.62020 (12)0.51102 (9)0.0144 (2)
C210.05265 (6)0.63199 (15)0.53434 (11)0.0254 (3)
H21A0.01940.68990.50760.038*
H21B0.05990.62700.60440.038*
H21C0.04460.54260.50670.038*
C220.11671 (6)0.82998 (13)0.55179 (10)0.0212 (3)
H22A0.08320.88640.52340.032*
H22B0.15080.86730.53690.032*
H22C0.12320.82640.62180.032*
C230.24111 (5)0.25647 (12)0.24168 (8)0.0152 (2)
H230.23990.21590.17790.018*
C240.29335 (5)0.20300 (12)0.31524 (9)0.0158 (2)
C250.34866 (6)0.19442 (12)0.29151 (9)0.0174 (3)
C260.39889 (5)0.13376 (13)0.36653 (9)0.0185 (3)
H26A0.43530.16530.35510.022*
H26B0.39750.03560.35920.022*
C270.39860 (5)0.16943 (13)0.46965 (9)0.0184 (3)
C280.34085 (5)0.12467 (13)0.48417 (9)0.0188 (3)
H28A0.34070.02640.48990.023*
H28B0.33650.16280.54510.023*
C290.29112 (5)0.16688 (12)0.40344 (9)0.0163 (2)
C300.44699 (6)0.09678 (15)0.54235 (10)0.0252 (3)
H30A0.44620.12070.60780.038*
H30B0.48410.12260.53260.038*
H30C0.44170.00040.53340.038*
C310.40642 (6)0.31961 (14)0.48608 (11)0.0253 (3)
H31A0.40610.34100.55220.038*
H31B0.37490.36690.44080.038*
H31C0.44320.34720.47580.038*
C320.18784 (5)0.21360 (12)0.26884 (9)0.0160 (2)
C330.13235 (6)0.20954 (13)0.19479 (9)0.0195 (3)
C340.08132 (6)0.15408 (15)0.22403 (9)0.0237 (3)
H34A0.08000.05640.21420.028*
H34B0.04560.19200.18110.028*
C350.08224 (5)0.18284 (13)0.32849 (9)0.0186 (3)
C360.13980 (5)0.13223 (13)0.39325 (9)0.0180 (3)
H36A0.14510.16680.45930.022*
H36B0.13880.03370.39620.022*
C370.18971 (5)0.17401 (12)0.35799 (9)0.0159 (2)
C380.03288 (6)0.10894 (15)0.35365 (10)0.0254 (3)
H38A−0.00400.14100.31240.038*
H38B0.03450.12530.42130.038*
H38C0.03650.01320.34340.038*
C390.07642 (6)0.33236 (14)0.34388 (11)0.0258 (3)
H39A0.03960.36400.30230.039*
H39B0.10810.37970.32780.039*
H39C0.07790.34910.41140.039*
U11U22U33U12U13U23
O10.0141 (4)0.0163 (4)0.0153 (4)−0.0004 (3)0.0043 (3)0.0024 (3)
O20.0251 (5)0.0286 (5)0.0178 (5)0.0065 (4)0.0048 (4)0.0037 (4)
O30.0244 (5)0.0234 (5)0.0190 (5)−0.0044 (4)0.0078 (4)0.0021 (4)
O40.0159 (4)0.0302 (5)0.0131 (4)0.0013 (4)0.0055 (3)0.0037 (4)
O50.0300 (5)0.0246 (5)0.0205 (5)0.0050 (4)0.0149 (4)0.0045 (4)
O60.0298 (5)0.0392 (6)0.0140 (4)−0.0012 (4)0.0030 (4)0.0029 (4)
N10.0178 (5)0.0161 (5)0.0124 (5)0.0001 (4)0.0049 (4)0.0005 (4)
C10.0120 (5)0.0160 (6)0.0129 (5)0.0011 (4)0.0021 (4)−0.0003 (4)
C20.0189 (6)0.0157 (6)0.0166 (6)0.0001 (5)0.0048 (5)0.0031 (5)
C30.0205 (6)0.0224 (6)0.0137 (6)0.0013 (5)0.0066 (5)0.0043 (5)
C40.0172 (6)0.0206 (6)0.0114 (5)0.0016 (5)0.0043 (5)−0.0002 (5)
C50.0136 (5)0.0159 (6)0.0131 (5)0.0008 (4)0.0036 (4)0.0008 (4)
C60.0168 (6)0.0132 (5)0.0130 (5)0.0004 (4)0.0044 (5)0.0011 (4)
C70.0154 (6)0.0135 (5)0.0142 (6)−0.0002 (4)0.0039 (5)−0.0024 (4)
C80.0194 (6)0.0147 (6)0.0153 (6)−0.0020 (5)0.0069 (5)−0.0031 (5)
C90.0156 (6)0.0203 (6)0.0215 (6)−0.0018 (5)0.0060 (5)0.0005 (5)
C100.0163 (6)0.0235 (7)0.0175 (6)−0.0036 (5)0.0019 (5)0.0019 (5)
C110.0169 (6)0.0183 (6)0.0147 (6)−0.0004 (5)0.0035 (5)0.0022 (5)
C120.0145 (6)0.0112 (5)0.0162 (6)−0.0009 (4)0.0049 (5)−0.0025 (4)
C130.0180 (7)0.0394 (8)0.0266 (7)−0.0042 (6)−0.0009 (6)0.0108 (6)
C140.0300 (7)0.0274 (7)0.0200 (7)−0.0103 (6)0.0057 (6)−0.0044 (5)
C150.0164 (6)0.0135 (5)0.0144 (6)0.0002 (4)0.0040 (5)−0.0034 (4)
C160.0199 (6)0.0160 (6)0.0149 (6)0.0019 (5)0.0033 (5)−0.0033 (5)
C170.0156 (6)0.0201 (6)0.0205 (6)0.0013 (5)0.0021 (5)−0.0028 (5)
C180.0158 (6)0.0185 (6)0.0209 (6)0.0004 (5)0.0066 (5)0.0001 (5)
C190.0171 (6)0.0169 (6)0.0189 (6)−0.0016 (5)0.0064 (5)0.0014 (5)
C200.0144 (6)0.0125 (5)0.0161 (6)0.0000 (4)0.0038 (5)−0.0023 (4)
C210.0171 (6)0.0269 (7)0.0345 (8)0.0006 (5)0.0109 (6)0.0036 (6)
C220.0227 (6)0.0204 (6)0.0218 (6)0.0016 (5)0.0083 (5)−0.0011 (5)
C230.0208 (6)0.0152 (6)0.0104 (5)0.0007 (5)0.0057 (5)−0.0006 (4)
C240.0193 (6)0.0141 (6)0.0151 (6)0.0009 (5)0.0065 (5)−0.0006 (4)
C250.0239 (6)0.0132 (6)0.0175 (6)0.0009 (5)0.0095 (5)−0.0014 (5)
C260.0200 (6)0.0179 (6)0.0207 (6)0.0030 (5)0.0109 (5)0.0007 (5)
C270.0176 (6)0.0203 (6)0.0183 (6)0.0025 (5)0.0066 (5)0.0006 (5)
C280.0187 (6)0.0239 (6)0.0148 (6)0.0021 (5)0.0063 (5)0.0036 (5)
C290.0173 (6)0.0166 (6)0.0166 (6)0.0004 (5)0.0074 (5)0.0000 (5)
C300.0185 (6)0.0341 (8)0.0235 (7)0.0037 (6)0.0061 (5)0.0046 (6)
C310.0233 (7)0.0233 (7)0.0292 (7)−0.0004 (5)0.0072 (6)−0.0052 (6)
C320.0195 (6)0.0140 (6)0.0146 (6)0.0000 (5)0.0051 (5)−0.0011 (4)
C330.0235 (7)0.0195 (6)0.0147 (6)−0.0002 (5)0.0039 (5)−0.0021 (5)
C340.0201 (6)0.0320 (7)0.0173 (6)−0.0059 (6)0.0022 (5)−0.0038 (5)
C350.0186 (6)0.0196 (6)0.0174 (6)−0.0009 (5)0.0046 (5)−0.0008 (5)
C360.0202 (6)0.0197 (6)0.0151 (6)−0.0002 (5)0.0065 (5)0.0024 (5)
C370.0172 (6)0.0152 (6)0.0149 (6)0.0007 (5)0.0035 (5)−0.0010 (5)
C380.0201 (7)0.0301 (7)0.0262 (7)−0.0035 (6)0.0066 (5)0.0000 (6)
C390.0266 (7)0.0212 (7)0.0311 (8)0.0034 (5)0.0102 (6)0.0001 (6)
O1—C121.3757 (14)C19—C201.4926 (17)
O1—C201.3800 (14)C19—H19A0.9900
O2—C161.2242 (16)C19—H19B0.9900
O3—C81.2242 (15)C21—H21A0.9800
O4—C291.3732 (15)C21—H21B0.9800
O4—C371.3761 (15)C21—H21C0.9800
O5—C251.2220 (15)C22—H22A0.9800
O6—C331.2200 (16)C22—H22B0.9800
N1—C11.3438 (16)C22—H22C0.9800
N1—C51.3443 (15)C23—C321.5060 (17)
C1—C21.3829 (17)C23—C241.5082 (17)
C1—C61.5264 (16)C23—H231.0000
C2—C31.3853 (18)C24—C291.3393 (17)
C2—H20.9500C24—C251.4688 (17)
C3—C41.3771 (18)C25—C261.5157 (18)
C3—H30.9500C26—C271.5335 (17)
C4—C51.3865 (16)C26—H26A0.9900
C4—H40.9500C26—H26B0.9900
C5—C231.5270 (17)C27—C301.5261 (18)
C6—C151.5051 (17)C27—C311.5296 (19)
C6—C71.5133 (16)C27—C281.5325 (17)
C6—H61.0000C28—C291.4884 (17)
C7—C121.3393 (17)C28—H28A0.9900
C7—C81.4696 (17)C28—H28B0.9900
C8—C91.5103 (17)C30—H30A0.9800
C9—C101.5338 (18)C30—H30B0.9800
C9—H9A0.9900C30—H30C0.9800
C9—H9B0.9900C31—H31A0.9800
C10—C141.5321 (19)C31—H31B0.9800
C10—C131.5336 (18)C31—H31C0.9800
C10—C111.5387 (17)C32—C371.3363 (17)
C11—C121.4958 (17)C32—C331.4687 (17)
C11—H11A0.9900C33—C341.5129 (18)
C11—H11B0.9900C34—C351.5301 (18)
C13—H13A0.9800C34—H34A0.9900
C13—H13B0.9800C34—H34B0.9900
C13—H13C0.9800C35—C381.5293 (18)
C14—H14A0.9800C35—C391.5292 (18)
C14—H14B0.9800C35—C361.5341 (18)
C14—H14C0.9800C36—C371.4903 (17)
C15—C201.3368 (17)C36—H36A0.9900
C15—C161.4719 (17)C36—H36B0.9900
C16—C171.5111 (18)C38—H38A0.9800
C17—C181.5328 (18)C38—H38B0.9800
C17—H17A0.9900C38—H38C0.9800
C17—H17B0.9900C39—H39A0.9800
C18—C211.5269 (17)C39—H39B0.9800
C18—C221.5332 (18)C39—H39C0.9800
C18—C191.5403 (17)
C12—O1—C20118.01 (9)C18—C21—H21C109.5
C29—O4—C37117.95 (9)H21A—C21—H21C109.5
C1—N1—C5117.26 (10)H21B—C21—H21C109.5
N1—C1—C2123.18 (11)C18—C22—H22A109.5
N1—C1—C6117.84 (10)C18—C22—H22B109.5
C2—C1—C6118.97 (11)H22A—C22—H22B109.5
C1—C2—C3118.79 (12)C18—C22—H22C109.5
C1—C2—H2120.6H22A—C22—H22C109.5
C3—C2—H2120.6H22B—C22—H22C109.5
C4—C3—C2118.78 (11)C32—C23—C24108.91 (10)
C4—C3—H3120.6C32—C23—C5113.40 (10)
C2—C3—H3120.6C24—C23—C5109.91 (10)
C3—C4—C5119.01 (11)C32—C23—H23108.2
C3—C4—H4120.5C24—C23—H23108.2
C5—C4—H4120.5C5—C23—H23108.2
N1—C5—C4122.97 (11)C29—C24—C25118.76 (11)
N1—C5—C23118.10 (10)C29—C24—C23121.54 (11)
C4—C5—C23118.87 (11)C25—C24—C23119.66 (10)
C15—C6—C7109.28 (10)O5—C25—C24121.22 (12)
C15—C6—C1112.32 (10)O5—C25—C26121.50 (11)
C7—C6—C1111.35 (10)C24—C25—C26117.23 (10)
C15—C6—H6107.9C25—C26—C27112.66 (10)
C7—C6—H6107.9C25—C26—H26A109.1
C1—C6—H6107.9C27—C26—H26A109.1
C12—C7—C8118.80 (11)C25—C26—H26B109.1
C12—C7—C6122.23 (11)C27—C26—H26B109.1
C8—C7—C6118.95 (10)H26A—C26—H26B107.8
O3—C8—C7120.99 (11)C30—C27—C31108.98 (11)
O3—C8—C9121.47 (11)C30—C27—C28108.65 (11)
C7—C8—C9117.52 (10)C31—C27—C28110.25 (11)
C8—C9—C10114.25 (10)C30—C27—C26110.53 (11)
C8—C9—H9A108.7C31—C27—C26110.34 (11)
C10—C9—H9A108.7C28—C27—C26108.06 (10)
C8—C9—H9B108.7C29—C28—C27112.24 (10)
C10—C9—H9B108.7C29—C28—H28A109.2
H9A—C9—H9B107.6C27—C28—H28A109.2
C14—C10—C13109.05 (11)C29—C28—H28B109.2
C14—C10—C9109.82 (11)C27—C28—H28B109.2
C13—C10—C9109.49 (11)H28A—C28—H28B107.9
C14—C10—C11110.21 (11)C24—C29—O4122.55 (11)
C13—C10—C11108.83 (11)C24—C29—C28126.06 (11)
C9—C10—C11109.42 (10)O4—C29—C28111.39 (10)
C12—C11—C10113.69 (10)C27—C30—H30A109.5
C12—C11—H11A108.8C27—C30—H30B109.5
C10—C11—H11A108.8H30A—C30—H30B109.5
C12—C11—H11B108.8C27—C30—H30C109.5
C10—C11—H11B108.8H30A—C30—H30C109.5
H11A—C11—H11B107.7H30B—C30—H30C109.5
C7—C12—O1122.73 (11)C27—C31—H31A109.5
C7—C12—C11126.18 (11)C27—C31—H31B109.5
O1—C12—C11111.07 (10)H31A—C31—H31B109.5
C10—C13—H13A109.5C27—C31—H31C109.5
C10—C13—H13B109.5H31A—C31—H31C109.5
H13A—C13—H13B109.5H31B—C31—H31C109.5
C10—C13—H13C109.5C37—C32—C33118.51 (11)
H13A—C13—H13C109.5C37—C32—C23121.95 (11)
H13B—C13—H13C109.5C33—C32—C23119.49 (11)
C10—C14—H14A109.5O6—C33—C32121.28 (12)
C10—C14—H14B109.5O6—C33—C34121.44 (12)
H14A—C14—H14B109.5C32—C33—C34117.21 (11)
C10—C14—H14C109.5C33—C34—C35114.32 (11)
H14A—C14—H14C109.5C33—C34—H34A108.7
H14B—C14—H14C109.5C35—C34—H34A108.7
C20—C15—C16118.88 (11)C33—C34—H34B108.7
C20—C15—C6122.60 (11)C35—C34—H34B108.7
C16—C15—C6118.50 (11)H34A—C34—H34B107.6
O2—C16—C15120.94 (12)C38—C35—C39109.44 (11)
O2—C16—C17121.57 (11)C38—C35—C34109.89 (11)
C15—C16—C17117.48 (11)C39—C35—C34110.57 (11)
C16—C17—C18113.85 (10)C38—C35—C36109.23 (11)
C16—C17—H17A108.8C39—C35—C36109.89 (11)
C18—C17—H17A108.8C34—C35—C36107.79 (10)
C16—C17—H17B108.8C37—C36—C35112.36 (10)
C18—C17—H17B108.8C37—C36—H36A109.1
H17A—C17—H17B107.7C35—C36—H36A109.1
C21—C18—C17109.83 (11)C37—C36—H36B109.1
C21—C18—C22108.80 (11)C35—C36—H36B109.1
C17—C18—C22109.51 (11)H36A—C36—H36B107.9
C21—C18—C19108.62 (10)C32—C37—O4122.38 (11)
C17—C18—C19108.78 (10)C32—C37—C36126.52 (11)
C22—C18—C19111.30 (10)O4—C37—C36111.08 (10)
C20—C19—C18112.98 (10)C35—C38—H38A109.5
C20—C19—H19A109.0C35—C38—H38B109.5
C18—C19—H19A109.0H38A—C38—H38B109.5
C20—C19—H19B109.0C35—C38—H38C109.5
C18—C19—H19B109.0H38A—C38—H38C109.5
H19A—C19—H19B107.8H38B—C38—H38C109.5
C15—C20—O1122.60 (11)C35—C39—H39A109.5
C15—C20—C19126.13 (11)C35—C39—H39B109.5
O1—C20—C19111.25 (10)H39A—C39—H39B109.5
C18—C21—H21A109.5C35—C39—H39C109.5
C18—C21—H21B109.5H39A—C39—H39C109.5
H21A—C21—H21B109.5H39B—C39—H39C109.5
C5—N1—C1—C2−0.78 (18)C6—C15—C20—C19179.61 (11)
C5—N1—C1—C6179.85 (10)C12—O1—C20—C1511.41 (16)
N1—C1—C2—C30.82 (19)C12—O1—C20—C19−166.90 (10)
C6—C1—C2—C3−179.82 (11)C18—C19—C20—C15−20.41 (18)
C1—C2—C3—C40.18 (18)C18—C19—C20—O1157.83 (10)
C2—C3—C4—C5−1.12 (18)N1—C5—C23—C3258.96 (14)
C1—N1—C5—C4−0.24 (17)C4—C5—C23—C32−123.78 (12)
C1—N1—C5—C23176.90 (10)N1—C5—C23—C24−63.20 (14)
C3—C4—C5—N11.19 (19)C4—C5—C23—C24114.06 (12)
C3—C4—C5—C23−175.93 (11)C32—C23—C24—C29−20.88 (16)
N1—C1—C6—C15−54.14 (14)C5—C23—C24—C29103.91 (13)
C2—C1—C6—C15126.46 (12)C32—C23—C24—C25161.34 (10)
N1—C1—C6—C768.80 (14)C5—C23—C24—C25−73.87 (13)
C2—C1—C6—C7−110.60 (12)C29—C24—C25—O5−177.42 (12)
C15—C6—C7—C1214.18 (16)C23—C24—C25—O50.42 (18)
C1—C6—C7—C12−110.48 (13)C29—C24—C25—C265.01 (17)
C15—C6—C7—C8−164.21 (10)C23—C24—C25—C26−177.15 (11)
C1—C6—C7—C871.13 (13)O5—C25—C26—C27146.24 (12)
C12—C7—C8—O3−169.42 (12)C24—C25—C26—C27−36.19 (15)
C6—C7—C8—O39.03 (17)C25—C26—C27—C30175.29 (11)
C12—C7—C8—C911.97 (17)C25—C26—C27—C31−64.09 (14)
C6—C7—C8—C9−169.59 (10)C25—C26—C27—C2856.52 (14)
O3—C8—C9—C10143.94 (12)C30—C27—C28—C29−167.43 (11)
C7—C8—C9—C10−37.46 (15)C31—C27—C28—C2973.20 (14)
C8—C9—C10—C14−70.02 (14)C26—C27—C28—C29−47.46 (14)
C8—C9—C10—C13170.28 (11)C25—C24—C29—O4−175.58 (11)
C8—C9—C10—C1151.08 (14)C23—C24—C29—O46.62 (19)
C14—C10—C11—C1279.67 (13)C25—C24—C29—C283.67 (19)
C13—C10—C11—C12−160.79 (11)C23—C24—C29—C28−174.13 (12)
C9—C10—C11—C12−41.18 (14)C37—O4—C29—C2411.94 (18)
C8—C7—C12—O1175.34 (10)C37—O4—C29—C28−167.41 (10)
C6—C7—C12—O1−3.05 (18)C27—C28—C29—C2419.21 (18)
C8—C7—C12—C11−2.85 (19)C27—C28—C29—O4−161.47 (10)
C6—C7—C12—C11178.76 (11)C24—C23—C32—C3719.29 (16)
C20—O1—C12—C7−10.61 (16)C5—C23—C32—C37−103.42 (14)
C20—O1—C12—C11167.82 (10)C24—C23—C32—C33−158.13 (11)
C10—C11—C12—C718.90 (18)C5—C23—C32—C3379.16 (14)
C10—C11—C12—O1−159.47 (10)C37—C32—C33—O6−179.69 (13)
C7—C6—C15—C20−13.46 (16)C23—C32—C33—O6−2.18 (19)
C1—C6—C15—C20110.63 (13)C37—C32—C33—C34−2.84 (18)
C7—C6—C15—C16165.04 (10)C23—C32—C33—C34174.67 (11)
C1—C6—C15—C16−70.86 (13)O6—C33—C34—C35−149.70 (13)
C20—C15—C16—O2172.25 (12)C32—C33—C34—C3533.45 (17)
C6—C15—C16—O2−6.31 (17)C33—C34—C35—C38−173.37 (12)
C20—C15—C16—C17−8.86 (17)C33—C34—C35—C3965.70 (15)
C6—C15—C16—C17172.58 (10)C33—C34—C35—C36−54.43 (15)
O2—C16—C17—C18−144.91 (12)C38—C35—C36—C37166.01 (11)
C15—C16—C17—C1836.21 (15)C39—C35—C36—C37−73.91 (14)
C16—C17—C18—C21−171.76 (11)C34—C35—C36—C3746.65 (14)
C16—C17—C18—C2268.82 (13)C33—C32—C37—O4174.15 (11)
C16—C17—C18—C19−53.01 (14)C23—C32—C37—O4−3.29 (19)
C21—C18—C19—C20163.90 (11)C33—C32—C37—C36−3.85 (19)
C17—C18—C19—C2044.39 (14)C23—C32—C37—C36178.71 (11)
C22—C18—C19—C20−76.35 (13)C29—O4—C37—C32−13.67 (17)
C16—C15—C20—O1−176.94 (10)C29—O4—C37—C36164.61 (10)
C6—C15—C20—O11.56 (18)C35—C36—C37—C32−19.89 (18)
C16—C15—C20—C191.11 (19)C35—C36—C37—O4161.92 (10)
  2 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.  4a-Hy-droxy-3,3,6,6-tetra-methyl-9-[6-(3,3,6,6-tetra-methyl-1,8-dioxo-2,3,4,5,6,7,8,9-octa-hydro-1H-xanthen-9-yl)pyridin-2-yl]-2,3,4,4a,5,6,7,8,9,9a-deca-hydro-1H-xanthene-1,8-dione ethanol hemisolvate hemihydrate.

Authors:  Shaaban K Mohamed; Antar A Abdelhamid; Ali N Khalilov; Atash V Gurbanov; Seik Weng Ng
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2011-03-12
  2 in total
  5 in total

1.  7-Bromo-9-(2-hy-droxy-4,4-dimethyl-6-oxocyclo-hex-1-en-1-yl)-3,3-dimethyl-2,3,4,9-tetra-hydro-1H-xanthen-1-one.

Authors:  Shaaban K Mohamed; Mehmet Akkurt; Antar A Abdelhamid; Phillip E Fanwick; Herman Potgeiter
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2012-05-12

2.  14-Bromo-12-chloro-2,16-dioxa-penta-cyclo-[7.7.5.0(1,21).0(3,8).0(10,15)]henicosa-3(8),10,12,14-tetra-ene-7,20-dione.

Authors:  Alan R Kennedy; Mehmet Akkurt; Shaaban K Mohamed; Antar A Abdelhamid; Adel A E Marzouk
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2013-04-20

3.  9-(3-Bromo-5-chloro-2-hy-droxy-phen-yl)-10-(2-hy-droxy-eth-yl)-1,2,3,4,5,6,7,8,9,10-deca-hydro-acridine-1,8-dione.

Authors:  Shaaban K Mohamed; Mehmet Akkurt; Peter N Horton; Antar A Abdelhamid; Mahmoud A A El Remaily
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2012-12-15

4.  9-(2-Hy-droxy-6-oxocyclo-hex-1-en-1-yl)-2,3,4,9-tetra-hydro-1H-xanthen-1-one.

Authors:  Shaaban K Mohamed; Mehmet Akkurt; Antar A Abdelhamid; Aamer Saeed; Ulrich Flörke
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2013-03-28

5.  12-(2-Hy-droxy-6-oxo-cyclo-hex-1-en-yl)-9,10-di-hydro-8H-benzo[a]xanthen-11(12H)-one.

Authors:  Mehmet Akkurt; Shaaban K Mohamed; Alan R Kennedy; Antar A Abdelhamid; Gary J Miller; Mustafa R Albayati
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2013-09-18
  5 in total

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