Literature DB >> 21589587

(2E,6E)-2,6-Bis(2-fluoro-5-meth-oxy-benzyl-idene)cyclo-hexan-1-one.

Linfeng Chen1, Li Zhang, Zhe Wang, Yunjie Wu, Guang Liang.   

Abstract

The title compound, C(22)H(20)F(2)O(3), a derivative of curcumin, crystallized with two independent mol-ecules in the asymmetric unit. The mean planes of the two 2-fluoro-5-meth-oxy-phenyl groups are aligned at 24.88 (11)° in one mol-ecule and 24.19 (15)° in the other. The dihedral angles between the mean plane of the penta-1,4-dien-3-one group and those of the two 2-fluoro-5-meth-oxy-phenyl rings are 51.16 (11) and 49.16 (10)° in the first mol-ecule, and 45.69 (15) and 54.00 (14)° in the second. The mol-ecules adopt E configurations about the central olefinic bonds.

Entities:  

Year:  2010        PMID: 21589587      PMCID: PMC3011608          DOI: 10.1107/S1600536810048610

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


Related literature

For related structures, see: Liang et al. (2007 ▶); Zhao et al. (2009 ▶); Zhao, Yang, Liang et al. (2010 ▶). For background to and applications of related compounds, see: Aggarwal et al. (2003 ▶); Began et al. (1999 ▶); Ganesh & Aggarwal (2007) ▶; Liang et al.(2009 ▶); Zhao, Yang, Wang et al. (2010 ▶).

Experimental

Crystal data

C22H20F2O3 M = 370.38 Triclinic, a = 9.2334 (10) Å b = 9.7601 (11) Å c = 21.433 (2) Å α = 90.195 (2)° β = 100.568 (2)° γ = 92.934 (2)° V = 1896.1 (4) Å3 Z = 4 Mo Kα radiation μ = 0.10 mm−1 T = 273 K 0.10 × 0.10 × 0.10 mm

Data collection

Bruker APEXII CCD area-detector diffractometer Absorption correction: multi-scan (SADABS; Bruker, 2004 ▶) T min = 0.990, T max = 0.990 10069 measured reflections 6634 independent reflections 3949 reflections with I > 2σ(I) R int = 0.101

Refinement

R[F 2 > 2σ(F 2)] = 0.057 wR(F 2) = 0.147 S = 1.00 6634 reflections 492 parameters H-atom parameters not refined Δρmax = 0.26 e Å−3 Δρmin = −0.27 e Å−3 Data collection: APEX2 (Bruker, 2004 ▶); cell refinement: SAINT (Bruker, 2004 ▶); 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 ▶); software used to prepare material for publication: SHELXTL. Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536810048610/ng5065sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536810048610/ng5065Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C22H20F2O3Z = 4
Mr = 370.38F(000) = 776
Triclinic, P1Dx = 1.297 Mg m3
Hall symbol: -P 1Mo Kα radiation, λ = 0.71073 Å
a = 9.2334 (10) ÅCell parameters from 3025 reflections
b = 9.7601 (11) Åθ = 2.3–23.1°
c = 21.433 (2) ŵ = 0.10 mm1
α = 90.195 (2)°T = 273 K
β = 100.568 (2)°Block, colorless
γ = 92.934 (2)°0.10 × 0.10 × 0.10 mm
V = 1896.1 (4) Å3
Bruker APEXII CCD area-detector diffractometer6634 independent reflections
Radiation source: fine-focus sealed tube3949 reflections with I > 2σ(I)
graphiteRint = 0.101
φ and ω scansθmax = 25.0°, θmin = 1.9°
Absorption correction: multi-scan (SADABS; Bruker, 2004)h = −10→10
Tmin = 0.990, Tmax = 0.990k = −11→11
10069 measured reflectionsl = −18→25
Refinement on F2Secondary atom site location: difference Fourier map
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.057H-atom parameters not refined
wR(F2) = 0.147w = 1/[σ2(Fo2) + (0.055P)2] where P = (Fo2 + 2Fc2)/3
S = 1.00(Δ/σ)max = 0.015
6634 reflectionsΔρmax = 0.26 e Å3
492 parametersΔρmin = −0.27 e Å3
0 restraintsExtinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4
Primary atom site location: structure-invariant direct methodsExtinction coefficient: 0.0102 (12)
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds 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 > 2sigma(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
F10.64586 (15)−0.51316 (13)0.03944 (7)0.0840 (4)
O10.59989 (17)−0.11281 (16)−0.08404 (7)0.0687 (4)
O40.94423 (17)0.60048 (16)−0.09902 (8)0.0769 (5)
F20.94845 (17)0.08313 (16)−0.19582 (7)0.0938 (5)
C50.7533 (2)0.0813 (2)−0.04416 (10)0.0525 (5)
C60.6674 (2)−0.0492 (2)−0.03706 (10)0.0521 (5)
C70.9400 (2)0.4676 (2)−0.12065 (11)0.0602 (6)
C80.5428 (2)−0.2508 (2)0.13952 (10)0.0577 (6)
H80.5357−0.15620.14120.069*
C90.6657 (2)−0.1030 (2)0.02818 (10)0.0513 (5)
C100.8601 (2)0.3605 (2)−0.09952 (10)0.0585 (6)
H100.80330.3770−0.06890.070*
O30.4590 (2)−0.25806 (18)0.23530 (8)0.0859 (5)
C120.9460 (3)0.2116 (2)−0.17015 (11)0.0666 (6)
C130.6103 (2)−0.2322 (2)0.03145 (10)0.0561 (5)
H130.5820−0.2785−0.00720.067*
C140.5881 (2)−0.3100 (2)0.08760 (10)0.0541 (5)
C150.7815 (2)0.1087 (2)−0.10238 (11)0.0593 (6)
H150.74410.0433−0.13360.071*
C160.6001 (2)−0.4513 (2)0.08892 (11)0.0631 (6)
C170.8626 (2)0.2266 (2)−0.12325 (10)0.0576 (6)
C180.7318 (2)−0.0142 (2)0.08455 (10)0.0603 (6)
H18A0.7671−0.07220.12020.072*
H18B0.65610.04090.09610.072*
C190.5085 (2)−0.3297 (2)0.18834 (11)0.0633 (6)
C200.5209 (3)−0.4707 (3)0.18760 (12)0.0742 (7)
H200.4980−0.52380.22080.089*
C210.8076 (3)0.1678 (2)0.01397 (10)0.0664 (6)
H21A0.72920.22370.02220.080*
H21B0.88910.22880.00680.080*
C220.5255 (3)0.7126 (3)0.62792 (12)0.0742 (7)
H220.53770.61860.62680.089*
C230.3185 (3)0.5673 (3)0.51074 (11)0.0715 (7)
C240.5675 (3)−0.5308 (3)0.13702 (13)0.0727 (7)
H240.5766−0.62520.13580.087*
C251.0243 (3)0.4454 (3)−0.16668 (12)0.0723 (7)
H251.07920.5179−0.18050.087*
O50.6789 (2)0.7139 (2)0.72684 (9)0.1000 (6)
C271.0266 (3)0.3162 (3)−0.19182 (12)0.0780 (7)
H271.08200.3002−0.22300.094*
O20.2913 (2)0.5903 (2)0.39992 (8)0.1026 (6)
C290.8584 (2)0.0796 (2)0.07149 (11)0.0682 (6)
H29A0.93840.02510.06380.082*
H29B0.89480.13820.10830.082*
C300.5948 (3)0.7889 (3)0.68033 (13)0.0799 (7)
C310.2607 (3)0.5211 (3)0.44426 (12)0.0769 (7)
F4−0.1739 (2)0.4179 (2)0.28990 (8)0.1210 (6)
C330.1666 (3)0.3919 (3)0.43095 (12)0.0733 (7)
C340.3691 (3)0.6978 (3)0.51894 (12)0.0803 (7)
H340.35880.74920.48210.096*
C35−0.0142 (3)0.2610 (3)0.34497 (12)0.0787 (8)
C360.0179 (3)0.1235 (3)0.35708 (12)0.0826 (8)
H360.10250.10300.38560.099*
C370.8455 (3)0.6307 (3)−0.05740 (13)0.0797 (7)
H37A0.74620.6047−0.07750.120*
H37B0.85340.7272−0.04780.120*
H37C0.87060.5804−0.01880.120*
C380.4382 (3)0.7727 (3)0.57692 (13)0.0776 (7)
C390.3083 (3)0.4666 (3)0.56284 (12)0.0808 (7)
H39A0.30550.51660.60180.097*
H39B0.39590.41390.56990.097*
C40−0.1396 (4)0.2852 (4)0.30224 (14)0.0935 (9)
C410.0852 (3)0.3759 (3)0.37287 (13)0.0840 (8)
H410.09280.44930.34590.101*
O6−0.0522 (3)−0.1187 (2)0.33634 (11)0.1141 (7)
F30.3415 (3)0.97700 (19)0.53269 (11)0.1524 (9)
C440.1740 (3)0.3700 (3)0.54768 (12)0.0921 (9)
H44A0.08630.42170.54570.111*
H44B0.17570.30420.58160.111*
C450.1653 (3)0.2928 (3)0.48495 (12)0.0846 (8)
H45A0.24850.23490.48790.102*
H45B0.07560.23430.47660.102*
C460.5792 (4)0.9275 (3)0.68372 (16)0.0975 (9)
H460.62640.97860.71900.117*
C47−0.0755 (3)0.0179 (4)0.32694 (15)0.0913 (9)
C480.3954 (4)−0.3343 (3)0.28049 (13)0.1087 (10)
H48A0.3209−0.39890.25890.163*
H48B0.3517−0.27300.30600.163*
H48C0.4704−0.38260.30720.163*
C490.4926 (4)0.9889 (3)0.6342 (2)0.1229 (12)
H490.47921.08250.63580.147*
C50−0.2011 (4)0.0478 (4)0.28457 (16)0.1095 (11)
H50−0.2637−0.02290.26430.131*
C51−0.2339 (4)0.1829 (5)0.27229 (16)0.1145 (11)
H51−0.31890.20370.24410.137*
C520.4259 (4)0.9131 (3)0.58215 (17)0.1020 (9)
C540.0799 (4)−0.1549 (4)0.3739 (2)0.1360 (14)
H54A0.1614−0.11180.35810.204*
H54B0.0861−0.25270.37260.204*
H54C0.0830−0.12520.41690.204*
C550.7647 (4)0.7839 (3)0.77809 (15)0.1175 (11)
H55A0.82650.85350.76300.176*
H55B0.82520.72080.80390.176*
H55C0.70190.82580.80290.176*
U11U22U33U12U13U23
F10.1075 (10)0.0526 (8)0.1018 (11)0.0057 (7)0.0447 (9)−0.0015 (7)
O10.0905 (11)0.0540 (10)0.0632 (10)−0.0054 (8)0.0210 (9)−0.0035 (8)
O40.0902 (11)0.0533 (10)0.0936 (12)−0.0070 (8)0.0364 (10)0.0036 (8)
F20.1283 (12)0.0732 (10)0.0938 (11)0.0039 (9)0.0572 (9)−0.0062 (8)
C50.0541 (12)0.0410 (12)0.0645 (14)0.0075 (9)0.0151 (10)0.0029 (10)
C60.0572 (12)0.0434 (12)0.0591 (14)0.0080 (10)0.0183 (11)−0.0030 (10)
C70.0629 (13)0.0544 (15)0.0648 (14)0.0012 (11)0.0163 (11)0.0092 (11)
C80.0638 (13)0.0511 (13)0.0594 (14)−0.0038 (10)0.0160 (11)0.0065 (11)
C90.0541 (11)0.0437 (12)0.0594 (13)0.0057 (9)0.0180 (10)0.0009 (10)
C100.0642 (13)0.0559 (14)0.0602 (14)0.0032 (11)0.0237 (11)0.0092 (11)
O30.1237 (14)0.0769 (12)0.0651 (11)−0.0099 (10)0.0422 (10)0.0060 (9)
C120.0820 (15)0.0563 (15)0.0671 (15)0.0027 (12)0.0283 (13)0.0022 (12)
C130.0669 (13)0.0447 (13)0.0606 (13)0.0033 (10)0.0222 (11)−0.0028 (10)
C140.0573 (12)0.0472 (13)0.0603 (14)0.0004 (10)0.0178 (10)0.0058 (10)
C150.0664 (13)0.0504 (13)0.0651 (15)0.0049 (10)0.0222 (11)0.0045 (11)
C160.0705 (14)0.0533 (14)0.0684 (15)0.0007 (11)0.0213 (12)0.0024 (12)
C170.0617 (13)0.0541 (14)0.0598 (14)0.0024 (10)0.0189 (11)0.0093 (11)
C180.0670 (13)0.0535 (13)0.0616 (14)0.0004 (11)0.0158 (11)0.0040 (11)
C190.0717 (14)0.0625 (16)0.0565 (14)−0.0056 (12)0.0162 (11)0.0068 (12)
C200.0850 (16)0.0688 (18)0.0674 (16)−0.0083 (13)0.0134 (13)0.0227 (13)
C210.0795 (15)0.0544 (14)0.0632 (15)−0.0096 (11)0.0108 (12)0.0057 (11)
C220.0987 (18)0.0635 (16)0.0681 (17)0.0113 (14)0.0334 (14)0.0018 (13)
C230.0922 (17)0.0703 (18)0.0614 (16)0.0245 (14)0.0337 (13)0.0114 (12)
C240.0839 (16)0.0494 (14)0.0856 (18)0.0006 (12)0.0185 (14)0.0153 (13)
C250.0761 (15)0.0691 (17)0.0772 (17)−0.0067 (13)0.0311 (13)0.0148 (13)
O50.1470 (17)0.0775 (13)0.0736 (13)−0.0049 (12)0.0182 (12)0.0008 (11)
C270.0853 (17)0.084 (2)0.0748 (17)0.0039 (14)0.0420 (14)0.0101 (14)
O20.1667 (18)0.0881 (14)0.0632 (11)0.0080 (13)0.0474 (12)0.0147 (10)
C290.0729 (14)0.0639 (15)0.0650 (15)−0.0100 (12)0.0087 (12)0.0079 (12)
C300.0995 (19)0.0662 (18)0.0807 (19)0.0013 (15)0.0351 (16)0.0068 (15)
C310.1073 (19)0.0776 (18)0.0566 (15)0.0314 (15)0.0355 (14)0.0123 (13)
F40.1282 (13)0.1394 (17)0.1007 (12)0.0539 (12)0.0215 (10)0.0341 (11)
C330.0932 (17)0.0785 (19)0.0570 (16)0.0277 (15)0.0305 (14)0.0111 (13)
C340.1038 (19)0.080 (2)0.0666 (17)0.0287 (16)0.0325 (14)0.0184 (14)
C350.0879 (18)0.098 (2)0.0588 (15)0.0259 (17)0.0311 (14)0.0082 (15)
C360.0878 (18)0.099 (2)0.0680 (17)0.0251 (17)0.0271 (14)0.0042 (16)
C370.0767 (15)0.0667 (17)0.101 (2)0.0059 (13)0.0291 (15)−0.0043 (14)
C380.0963 (18)0.0647 (17)0.0798 (19)0.0160 (14)0.0339 (15)0.0086 (14)
C390.0998 (18)0.089 (2)0.0597 (15)0.0095 (16)0.0302 (14)0.0125 (13)
C400.097 (2)0.122 (3)0.0701 (19)0.041 (2)0.0291 (17)0.0216 (19)
C410.107 (2)0.088 (2)0.0671 (18)0.0394 (17)0.0333 (16)0.0119 (15)
O60.1315 (18)0.0947 (18)0.1233 (18)0.0054 (14)0.0425 (15)−0.0041 (13)
F30.196 (2)0.0803 (13)0.1656 (19)0.0409 (13)−0.0178 (16)0.0237 (12)
C440.113 (2)0.104 (2)0.0666 (17)0.0101 (18)0.0360 (15)0.0221 (15)
C450.1054 (19)0.088 (2)0.0659 (17)0.0096 (15)0.0288 (14)0.0173 (14)
C460.123 (2)0.071 (2)0.099 (2)−0.0025 (18)0.0245 (19)−0.0082 (17)
C470.091 (2)0.110 (3)0.081 (2)0.011 (2)0.0364 (17)−0.0005 (19)
C480.162 (3)0.104 (2)0.0699 (18)−0.014 (2)0.0522 (19)0.0138 (16)
C490.146 (3)0.058 (2)0.162 (4)0.013 (2)0.020 (3)−0.005 (2)
C500.101 (2)0.137 (3)0.093 (2)0.001 (2)0.026 (2)−0.006 (2)
C510.098 (2)0.158 (4)0.088 (2)0.019 (3)0.0149 (19)0.012 (2)
C520.125 (2)0.070 (2)0.111 (2)0.0194 (19)0.016 (2)0.0157 (19)
C540.109 (3)0.091 (3)0.218 (4)0.025 (2)0.049 (3)0.038 (3)
C550.166 (3)0.104 (3)0.076 (2)−0.010 (2)0.009 (2)−0.0054 (18)
F1—C161.362 (3)O2—C311.234 (3)
O1—C61.231 (2)C29—H29A0.9700
O4—C71.372 (3)C29—H29B0.9700
O4—C371.427 (3)C30—C461.371 (4)
F2—C121.371 (3)C31—C331.490 (4)
C5—C151.346 (3)F4—C401.364 (4)
C5—C61.489 (3)C33—C411.335 (3)
C5—C211.495 (3)C33—C451.512 (3)
C6—C91.498 (3)C34—C381.464 (4)
C7—C101.375 (3)C34—H340.9300
C7—C251.387 (3)C35—C401.370 (4)
C8—C191.375 (3)C35—C361.404 (4)
C8—C141.392 (3)C35—C411.465 (4)
C8—H80.9300C36—C471.387 (4)
C9—C131.343 (3)C36—H360.9300
C9—C181.501 (3)C37—H37A0.9600
C10—C171.404 (3)C37—H37B0.9600
C10—H100.9300C37—H37C0.9600
O3—C191.381 (3)C38—C521.386 (4)
O3—C481.416 (3)C39—C441.504 (4)
C12—C271.366 (3)C39—H39A0.9700
C12—C171.385 (3)C39—H39B0.9700
C13—C141.465 (3)C40—C511.368 (5)
C13—H130.9300C41—H410.9300
C14—C161.389 (3)O6—C471.370 (4)
C15—C171.457 (3)O6—C541.395 (4)
C15—H150.9300F3—C521.368 (3)
C16—C241.361 (3)C44—C451.526 (4)
C18—C291.515 (3)C44—H44A0.9700
C18—H18A0.9700C44—H44B0.9700
C18—H18B0.9700C45—H45A0.9700
C19—C201.387 (3)C45—H45B0.9700
C20—C241.378 (3)C46—C491.367 (4)
C20—H200.9300C46—H460.9300
C21—C291.522 (3)C47—C501.381 (4)
C21—H21A0.9700C48—H48A0.9600
C21—H21B0.9700C48—H48B0.9600
C22—C301.381 (3)C48—H48C0.9600
C22—C381.385 (3)C49—C521.366 (5)
C22—H220.9300C49—H490.9300
C23—C341.334 (4)C50—C511.383 (5)
C23—C311.486 (4)C50—H500.9300
C23—C391.502 (3)C51—H510.9300
C24—H240.9300C54—H54A0.9600
C25—C271.372 (3)C54—H54B0.9600
C25—H250.9300C54—H54C0.9600
O5—C301.383 (3)C55—H55A0.9600
O5—C551.386 (3)C55—H55B0.9600
C27—H270.9300C55—H55C0.9600
C7—O4—C37116.94 (17)C23—C31—C33120.4 (2)
C15—C5—C6116.80 (19)C41—C33—C31117.1 (2)
C15—C5—C21125.17 (19)C41—C33—C45125.2 (3)
C6—C5—C21117.96 (19)C31—C33—C45117.6 (2)
O1—C6—C5120.62 (19)C23—C34—C38130.1 (2)
O1—C6—C9120.33 (18)C23—C34—H34115.0
C5—C6—C9119.04 (19)C38—C34—H34115.0
O4—C7—C10124.4 (2)C40—C35—C36117.3 (3)
O4—C7—C25115.3 (2)C40—C35—C41120.1 (3)
C10—C7—C25120.3 (2)C36—C35—C41122.6 (3)
C19—C8—C14121.1 (2)C47—C36—C35120.6 (3)
C19—C8—H8119.4C47—C36—H36119.7
C14—C8—H8119.4C35—C36—H36119.7
C13—C9—C6116.31 (19)O4—C37—H37A109.5
C13—C9—C18124.71 (19)O4—C37—H37B109.5
C6—C9—C18118.90 (18)H37A—C37—H37B109.5
C7—C10—C17121.2 (2)O4—C37—H37C109.5
C7—C10—H10119.4H37A—C37—H37C109.5
C17—C10—H10119.4H37B—C37—H37C109.5
C19—O3—C48118.0 (2)C52—C38—C22115.7 (3)
C27—C12—F2118.2 (2)C52—C38—C34120.7 (3)
C27—C12—C17124.2 (2)C22—C38—C34123.5 (2)
F2—C12—C17117.6 (2)C23—C39—C44112.5 (2)
C9—C13—C14128.9 (2)C23—C39—H39A109.1
C9—C13—H13115.6C44—C39—H39A109.1
C14—C13—H13115.6C23—C39—H39B109.1
C16—C14—C8116.4 (2)C44—C39—H39B109.1
C16—C14—C13120.4 (2)H39A—C39—H39B107.8
C8—C14—C13122.94 (19)F4—C40—C51118.3 (3)
C5—C15—C17129.0 (2)F4—C40—C35118.5 (3)
C5—C15—H15115.5C51—C40—C35123.2 (3)
C17—C15—H15115.5C33—C41—C35130.2 (3)
C24—C16—F1118.5 (2)C33—C41—H41114.9
C24—C16—C14123.2 (2)C35—C41—H41114.9
F1—C16—C14118.3 (2)C47—O6—C54118.4 (3)
C12—C17—C10115.72 (19)C39—C44—C45112.5 (2)
C12—C17—C15120.5 (2)C39—C44—H44A109.1
C10—C17—C15123.8 (2)C45—C44—H44A109.1
C9—C18—C29112.16 (18)C39—C44—H44B109.1
C9—C18—H18A109.2C45—C44—H44B109.1
C29—C18—H18A109.2H44A—C44—H44B107.8
C9—C18—H18B109.2C33—C45—C44110.8 (2)
C29—C18—H18B109.2C33—C45—H45A109.5
H18A—C18—H18B107.9C44—C45—H45A109.5
C8—C19—O3114.9 (2)C33—C45—H45B109.5
C8—C19—C20120.6 (2)C44—C45—H45B109.5
O3—C19—C20124.4 (2)H45A—C45—H45B108.1
C24—C20—C19119.0 (2)C49—C46—C30118.6 (3)
C24—C20—H20120.5C49—C46—H46120.7
C19—C20—H20120.5C30—C46—H46120.7
C5—C21—C29111.31 (19)O6—C47—C50116.0 (3)
C5—C21—H21A109.4O6—C47—C36124.1 (3)
C29—C21—H21A109.4C50—C47—C36119.9 (3)
C5—C21—H21B109.4O3—C48—H48A109.5
C29—C21—H21B109.4O3—C48—H48B109.5
H21A—C21—H21B108.0H48A—C48—H48B109.5
C30—C22—C38121.5 (3)O3—C48—H48C109.5
C30—C22—H22119.3H48A—C48—H48C109.5
C38—C22—H22119.3H48B—C48—H48C109.5
C34—C23—C31116.4 (2)C46—C49—C52120.1 (3)
C34—C23—C39125.6 (2)C46—C49—H49119.9
C31—C23—C39117.9 (2)C52—C49—H49119.9
C16—C24—C20119.6 (2)C47—C50—C51120.1 (4)
C16—C24—H24120.2C47—C50—H50120.0
C20—C24—H24120.2C51—C50—H50120.0
C27—C25—C7119.9 (2)C40—C51—C50119.0 (3)
C27—C25—H25120.1C40—C51—H51120.5
C7—C25—H25120.1C50—C51—H51120.5
C30—O5—C55118.4 (2)C49—C52—F3119.2 (3)
C12—C27—C25118.7 (2)C49—C52—C38123.1 (3)
C12—C27—H27120.7F3—C52—C38117.7 (3)
C25—C27—H27120.7O6—C54—H54A109.5
C18—C29—C21110.31 (18)O6—C54—H54B109.5
C18—C29—H29A109.6H54A—C54—H54B109.5
C21—C29—H29A109.6O6—C54—H54C109.5
C18—C29—H29B109.6H54A—C54—H54C109.5
C21—C29—H29B109.6H54B—C54—H54C109.5
H29A—C29—H29B108.1O5—C55—H55A109.5
C46—C30—O5124.6 (3)O5—C55—H55B109.5
C46—C30—C22121.0 (3)H55A—C55—H55B109.5
O5—C30—C22114.4 (2)O5—C55—H55C109.5
O2—C31—C23119.6 (3)H55A—C55—H55C109.5
O2—C31—C33119.9 (2)H55B—C55—H55C109.5
  6 in total

1.  Synthesis of mono-carbonyl analogues of curcumin and their effects on inhibition of cytokine release in LPS-stimulated RAW 264.7 macrophages.

Authors:  Chengguang Zhao; Ju Yang; Yi Wang; Donglou Liang; Xuyi Yang; Xiaoxia Li; Jianzhang Wu; Xiaoping Wu; Shulin Yang; Xiaokun Li; Guang Liang
Journal:  Bioorg Med Chem       Date:  2010-03-06       Impact factor: 3.641

2.  A short history of SHELX.

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

Review 3.  Anticancer potential of curcumin: preclinical and clinical studies.

Authors:  Bharat B Aggarwal; Anushree Kumar; Alok C Bharti
Journal:  Anticancer Res       Date:  2003 Jan-Feb       Impact factor: 2.480

Review 4.  "Spicing up" of the immune system by curcumin.

Authors:  Ganesh Chandra Jagetia; Bharat B Aggarwal
Journal:  J Clin Immunol       Date:  2007-01-09       Impact factor: 8.317

5.  Interaction of curcumin with phosphatidylcholine: A spectrofluorometric study.

Authors:  G Began; E Sudharshan; K Udaya Sankar; A G Appu Rao
Journal:  J Agric Food Chem       Date:  1999-12       Impact factor: 5.279

6.  Exploration and synthesis of curcumin analogues with improved structural stability both in vitro and in vivo as cytotoxic agents.

Authors:  Guang Liang; Lili Shao; Yi Wang; Chengguang Zhao; Yanhui Chu; Jian Xiao; Yu Zhao; Xiaokun Li; Shulin Yang
Journal:  Bioorg Med Chem       Date:  2008-11-01       Impact factor: 3.641

  6 in total
  2 in total

1.  A study of the crystal structures, supra-molecular patterns and Hirshfeld surfaces of bromide salts of hypoxanthine and xanthine.

Authors:  Udhayasuriyan Sathya; Jeyaraman Selvaraj Nirmalram; Sundaramoorthy Gomathi; Durairaj Dhivya; Samson Jegan Jennifer; Ibrahim Abdul Razak
Journal:  Acta Crystallogr E Crystallogr Commun       Date:  2022-05-20

2.  Crystal structures and Hirshfeld surface analyses of hypoxanthine salts involving 5-sulfosalicylate and perchlorate anions.

Authors:  Udhayasuriyan Sathya; Jeyaraman Selvaraj Nirmalram; Sundaramoorthy Gomathi; Franc Perdih; Samson Jegan Jennifer; Ibrahim Abdul Razak
Journal:  Acta Crystallogr E Crystallogr Commun       Date:  2022-05-13
  2 in total

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