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The title macrocycle, C31H30O5, is comprised of two bi­benzyl ether moieties linked cyclically by spacers which each consist of two-carbon alkyl chains. The observed conformation of the macrocycle may be partly stabilized by intramolecular C-H...O close contacts. The packing appears to be directed by van der Waals forces. This work explains the occurrence of a signal found in the 1H NMR spectra of both marchantin­quinone and marchantin M tri­methyl ether at [delta] = 5.49 and 5.56 p.p.m., respectively. The shift in the position of the expected peak can be explained by the proximity of an H atom belonging to one of the aromatic rings to another ring in the same mol­ecule.

Supporting information

cif

Crystallographic Information File (CIF) https://doi.org/10.1107/S0108270100011173/sx1103sup1.cif
Contains datablocks 4, global

hkl

Structure factor file (CIF format) https://doi.org/10.1107/S0108270100011173/sx11034sup2.hkl
Contains datablock 4

CCDC reference: 153911

Computing details top

Data collection: MSC/AFC Diffractometer Software (Molecular Structure Corporation, 1993); cell refinement: MSC/AFC Diffractometer Software; data reduction: MSC/AFC Diffractometer Software; program(s) used to solve structure: SHELXS97 (Sheldrick, 1990); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: ZORTEP (Zsolnai, 1995); software used to prepare material for publication: PLATON (Spek, 1990).

4,17,20-trimethoxy-2,15-dioxapentacyclo[26.2.2.13,7.016,21]triaconta- 1(28),3,5,7(29),10,12,14 (30),16,18,20,24927),25-dodecaene top
Crystal data top
C31H30O5F(000) = 1024
Mr = 482.10Dx = 1.277 Mg m3
Monoclinic, P21/nMo Kα radiation, λ = 0.71069 Å
a = 14.937 (3) ÅCell parameters from 22 reflections
b = 9.316 (5) Åθ = 20.2–23.3°
c = 18.262 (2) ŵ = 0.09 mm1
β = 98.877 (12)°T = 293 K
V = 2510.7 (15) Å3Prism, colourless
Z = 40.31 × 0.24 × 0.08 mm
Data collection top
Rigaku AFC7S
diffractometer
2380 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tubeRint = 0.089
Graphite monochromatorθmax = 27.5°, θmin = 2.3°
θ/2θ scansh = 219
Absorption correction: ψ scan
MSC/AFC Diffractometer Software (Molecular Structure Corporation, 1993)
k = 012
Tmin = 0.974, Tmax = 0.993l = 2323
6844 measured reflections3 standard reflections every 150 reflections
5746 independent reflections intensity decay: 4.3%
Refinement top
Refinement on F2Secondary atom site location: difference Fourier map
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.054H atoms treated by a mixture of independent and constrained refinement
wR(F2) = 0.193 w = 1/[σ2(Fo2) + (0.0948P)2]
where P = (Fo2 + 2Fc2)/3
S = 0.98(Δ/σ)max = 0.001
5746 reflectionsΔρmax = 0.18 e Å3
345 parametersΔρmin = 0.20 e Å3
48 restraintsExtinction correction: SHELXL97 (Sheldrick, 1997), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4
Primary atom site location: structure-invariant direct methodsExtinction coefficient: 0.016 (2)
Special details top

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.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/UeqOcc. (<1)
O10.73707 (12)0.3860 (2)0.03557 (10)0.0761 (6)
C10.65537 (18)0.3836 (3)0.06455 (14)0.0675 (8)
C20.6071 (2)0.2550 (4)0.06483 (19)0.0902 (10)
C30.5254 (2)0.2570 (4)0.0919 (2)0.0952 (11)
H30.49350.17200.09480.114*
C40.4913 (2)0.3825 (4)0.11447 (17)0.0804 (9)
H40.43650.38220.13270.096*
C50.53717 (17)0.5090 (3)0.11052 (14)0.0653 (7)
C60.62140 (16)0.5127 (3)0.08456 (13)0.0593 (7)
C70.66607 (17)0.6546 (3)0.07574 (14)0.0664 (7)
H7A0.62170.71780.04790.080*
H7B0.71410.63970.04630.080*
C80.70659 (16)0.7313 (3)0.14760 (16)0.0661 (7)
H8A0.70680.83370.13810.079*
H8B0.66740.71450.18440.079*
C90.80115 (16)0.6859 (3)0.17947 (13)0.0532 (6)
C100.81970 (17)0.5622 (3)0.22019 (16)0.0646 (7)
H100.77190.50540.23020.078*
C110.90758 (17)0.5202 (3)0.24657 (15)0.0639 (7)
H110.91860.43580.27370.077*
C120.97823 (16)0.6040 (3)0.23242 (14)0.0578 (7)
C130.96241 (18)0.7289 (3)0.19423 (15)0.0698 (8)
H131.01060.78700.18630.084*
C140.87404 (18)0.7693 (3)0.16706 (15)0.0646 (7)
H140.86360.85390.14000.078*
O21.06715 (11)0.5643 (2)0.26161 (10)0.0757 (6)
C151.11334 (16)0.4803 (3)0.21717 (14)0.0564 (6)
C161.19503 (17)0.4218 (3)0.25149 (15)0.0612 (7)
C171.24424 (19)0.3371 (3)0.2103 (2)0.0789 (9)
H171.29910.29810.23240.095*
C181.21306 (18)0.3098 (3)0.13704 (18)0.0750 (8)
H181.24740.25210.11040.090*
C191.13254 (17)0.3652 (3)0.10176 (15)0.0598 (7)
C201.08300 (17)0.4518 (3)0.14389 (14)0.0584 (7)
H201.02820.49090.12160.070*
C211.09538 (18)0.3283 (3)0.02324 (15)0.0671 (7)
H21A1.14550.31290.00390.081*
H21B1.06070.40940.00080.081*
C221.03505 (17)0.1957 (3)0.01500 (15)0.0670 (7)
H22A1.01240.18080.03710.080*
H22B1.07120.11260.03270.080*
C230.95513 (17)0.2065 (3)0.05718 (14)0.0548 (6)
C240.87992 (16)0.2865 (3)0.02916 (13)0.0568 (6)
H240.87710.33090.01670.068*
C250.80829 (16)0.3011 (3)0.06906 (14)0.0580 (7)
C260.81165 (17)0.2364 (3)0.13696 (14)0.0630 (7)
H260.76390.24650.16370.076*
C270.88635 (18)0.1565 (3)0.16490 (15)0.0641 (7)
H270.88890.11170.21070.077*
C280.95829 (18)0.1422 (3)0.12528 (15)0.0636 (7)
H281.00890.08880.14500.076*
O3A0.6354 (4)0.1114 (5)0.0583 (3)0.0871 (15)0.514 (7)
C29A0.6391 (6)0.0839 (11)0.0174 (4)0.103 (2)0.514 (7)
H29A0.64480.01750.02480.155*0.514 (7)
H29B0.69040.13240.03170.155*0.514 (7)
H29C0.58460.11810.04710.155*0.514 (7)
O3B0.6523 (4)0.1580 (6)0.0230 (4)0.0912 (17)0.486 (7)
C29B0.5984 (6)0.0340 (7)0.0015 (6)0.104 (2)0.486 (7)
H29D0.62930.02630.02920.156*0.486 (7)
H29E0.54110.06300.02570.156*0.486 (7)
H29F0.58870.01820.04490.156*0.486 (7)
O40.50610 (12)0.6407 (2)0.12934 (11)0.0835 (6)
C300.42074 (19)0.6454 (5)0.1550 (2)0.1081 (12)
H30A0.40680.74280.16620.162*
H30B0.42340.58780.19890.162*
H30C0.37450.60880.11730.162*
O51.21803 (12)0.4541 (2)0.32551 (11)0.0797 (6)
C311.2981 (2)0.3910 (4)0.3634 (2)0.1196 (14)
H31A1.30680.42030.41440.179*
H31B1.34900.42150.34090.179*
H31C1.29300.28830.36050.179*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
O10.0638 (12)0.1041 (15)0.0610 (11)0.0267 (11)0.0117 (9)0.0012 (10)
C10.0504 (15)0.095 (2)0.0563 (16)0.0115 (16)0.0059 (12)0.0055 (14)
C20.071 (2)0.085 (2)0.105 (3)0.0066 (18)0.0164 (18)0.0312 (19)
C30.0577 (19)0.099 (3)0.122 (3)0.0139 (19)0.0080 (18)0.007 (2)
C40.0516 (16)0.106 (3)0.081 (2)0.0031 (18)0.0042 (15)0.0009 (18)
C50.0448 (14)0.094 (2)0.0559 (15)0.0058 (15)0.0038 (12)0.0018 (14)
C60.0480 (14)0.0822 (18)0.0475 (14)0.0099 (14)0.0065 (11)0.0040 (13)
C70.0555 (16)0.0837 (19)0.0622 (17)0.0163 (14)0.0163 (13)0.0168 (14)
C80.0547 (15)0.0646 (16)0.0831 (19)0.0124 (13)0.0237 (14)0.0029 (14)
C90.0533 (14)0.0505 (14)0.0586 (15)0.0030 (12)0.0172 (11)0.0078 (12)
C100.0523 (15)0.0605 (16)0.0830 (19)0.0047 (12)0.0167 (13)0.0060 (14)
C110.0635 (16)0.0546 (15)0.0735 (17)0.0025 (13)0.0096 (14)0.0040 (13)
C120.0525 (15)0.0675 (17)0.0527 (14)0.0031 (13)0.0062 (12)0.0108 (13)
C130.0559 (16)0.0764 (19)0.0769 (19)0.0172 (15)0.0094 (14)0.0048 (15)
C140.0696 (17)0.0529 (15)0.0725 (18)0.0050 (13)0.0146 (14)0.0044 (13)
O20.0530 (11)0.1058 (15)0.0652 (12)0.0098 (10)0.0008 (9)0.0158 (11)
C150.0494 (14)0.0606 (15)0.0599 (16)0.0026 (12)0.0114 (12)0.0027 (12)
C160.0484 (15)0.0651 (16)0.0675 (17)0.0141 (13)0.0009 (13)0.0116 (14)
C170.0475 (15)0.0796 (19)0.109 (3)0.0066 (15)0.0091 (17)0.0025 (18)
C180.0533 (17)0.0761 (19)0.099 (2)0.0034 (15)0.0213 (16)0.0040 (17)
C190.0542 (15)0.0561 (15)0.0731 (17)0.0025 (13)0.0229 (13)0.0026 (13)
C200.0492 (13)0.0620 (15)0.0643 (17)0.0046 (12)0.0102 (12)0.0050 (13)
C210.0678 (17)0.0698 (17)0.0709 (18)0.0017 (14)0.0331 (14)0.0008 (14)
C220.0679 (17)0.0645 (16)0.0732 (18)0.0079 (14)0.0258 (14)0.0108 (14)
C230.0603 (15)0.0493 (13)0.0579 (15)0.0011 (12)0.0188 (12)0.0104 (12)
C240.0636 (16)0.0568 (14)0.0515 (14)0.0014 (13)0.0131 (12)0.0095 (12)
C250.0557 (15)0.0631 (15)0.0554 (15)0.0058 (13)0.0086 (12)0.0128 (13)
C260.0607 (16)0.0705 (17)0.0604 (16)0.0024 (14)0.0175 (13)0.0074 (13)
C270.0725 (18)0.0638 (16)0.0588 (15)0.0043 (14)0.0188 (14)0.0040 (13)
C280.0618 (16)0.0564 (15)0.0741 (18)0.0112 (13)0.0151 (14)0.0015 (13)
O3A0.091 (3)0.084 (3)0.087 (3)0.011 (2)0.018 (3)0.006 (2)
C29A0.110 (5)0.110 (5)0.097 (4)0.012 (4)0.041 (4)0.016 (4)
O3B0.086 (3)0.083 (3)0.106 (4)0.012 (3)0.016 (3)0.027 (3)
C29B0.102 (5)0.081 (4)0.130 (5)0.023 (4)0.022 (4)0.015 (4)
O40.0530 (11)0.1042 (16)0.0978 (15)0.0167 (11)0.0254 (10)0.0053 (12)
C300.0576 (19)0.157 (3)0.115 (3)0.017 (2)0.0314 (19)0.014 (3)
O50.0589 (11)0.0918 (14)0.0826 (14)0.0054 (10)0.0070 (10)0.0129 (11)
C310.083 (2)0.138 (3)0.120 (3)0.010 (2)0.043 (2)0.008 (3)
Geometric parameters (Å, º) top
O1—C251.389 (3)C18—C191.374 (4)
O1—C11.403 (3)C18—H180.9300
C1—C61.377 (4)C19—C201.402 (3)
C1—C21.399 (4)C19—C211.495 (4)
C2—C31.386 (5)C20—H200.9300
C2—O3A1.414 (5)C21—C221.523 (4)
C2—O3B1.419 (5)C21—H21A0.9700
C3—C41.363 (5)C21—H21B0.9700
C3—H30.9300C22—C231.521 (3)
C4—C51.371 (4)C22—H22A0.9700
C4—H40.9300C22—H22B0.9700
C5—O41.374 (3)C23—C281.374 (4)
C5—C61.412 (3)C23—C241.379 (3)
C6—C71.500 (4)C24—C251.391 (3)
C7—C81.534 (4)C24—H240.9300
C7—H7A0.9700C25—C261.373 (4)
C7—H7B0.9700C26—C271.372 (4)
C8—C91.503 (3)C26—H260.9300
C8—H8A0.9700C27—C281.391 (4)
C8—H8B0.9700C27—H270.9300
C9—C101.376 (4)C28—H280.9300
C9—C141.384 (3)O3A—C29A1.416 (6)
C10—C111.383 (4)C29A—H29A0.9600
C10—H100.9300C29A—H29B0.9600
C11—C121.369 (3)C29A—H29C0.9600
C11—H110.9300O3B—C29B1.428 (6)
C12—C131.358 (4)C29B—H29D0.9600
C12—O21.402 (3)C29B—H29E0.9600
C13—C141.389 (4)C29B—H29F0.9600
C13—H130.9300O4—C301.425 (3)
C14—H140.9300C30—H30A0.9600
O2—C151.386 (3)C30—H30B0.9600
C15—C201.371 (4)C30—H30C0.9600
C15—C161.394 (3)O5—C311.414 (3)
C16—O51.376 (3)C31—H31A0.9600
C16—C171.378 (4)C31—H31B0.9600
C17—C181.371 (4)C31—H31C0.9600
C17—H170.9300
C25—O1—C1118.4 (2)C18—C19—C20117.2 (3)
C6—C1—C2122.4 (3)C18—C19—C21122.1 (3)
C6—C1—O1117.6 (3)C20—C19—C21120.6 (2)
C2—C1—O1119.6 (3)C15—C20—C19121.6 (2)
C3—C2—C1118.2 (3)C15—C20—H20119.2
C3—C2—O3A109.5 (4)C19—C20—H20119.2
C1—C2—O3A130.4 (4)C19—C21—C22114.0 (2)
C3—C2—O3B136.0 (4)C19—C21—H21A108.7
C1—C2—O3B104.8 (3)C22—C21—H21A108.7
O3A—C2—O3B34.8 (2)C19—C21—H21B108.7
C4—C3—C2120.6 (3)C22—C21—H21B108.7
C4—C3—H3119.7H21A—C21—H21B107.6
C2—C3—H3119.7C23—C22—C21113.3 (2)
C3—C4—C5120.6 (3)C23—C22—H22A108.9
C3—C4—H4119.7C21—C22—H22A108.9
C5—C4—H4119.7C23—C22—H22B108.9
C4—C5—O4124.3 (2)C21—C22—H22B108.9
C4—C5—C6121.1 (3)H22A—C22—H22B107.7
O4—C5—C6114.5 (3)C28—C23—C24118.9 (2)
C1—C6—C5116.9 (3)C28—C23—C22120.6 (2)
C1—C6—C7123.6 (2)C24—C23—C22120.4 (2)
C5—C6—C7119.4 (3)C23—C24—C25120.5 (2)
C6—C7—C8116.2 (2)C23—C24—H24119.8
C6—C7—H7A108.2C25—C24—H24119.8
C8—C7—H7A108.2C26—C25—O1124.5 (2)
C6—C7—H7B108.2C26—C25—C24120.4 (2)
C8—C7—H7B108.2O1—C25—C24115.1 (2)
H7A—C7—H7B107.4C27—C26—C25119.2 (2)
C9—C8—C7115.1 (2)C27—C26—H26120.4
C9—C8—H8A108.5C25—C26—H26120.4
C7—C8—H8A108.5C26—C27—C28120.5 (3)
C9—C8—H8B108.5C26—C27—H27119.8
C7—C8—H8B108.5C28—C27—H27119.8
H8A—C8—H8B107.5C23—C28—C27120.5 (2)
C10—C9—C14117.4 (2)C23—C28—H28119.8
C10—C9—C8122.9 (2)C27—C28—H28119.8
C14—C9—C8119.7 (2)C2—O3A—C29A108.1 (6)
C9—C10—C11121.8 (2)O3A—C29A—H29A109.5
C9—C10—H10119.1O3A—C29A—H29B109.5
C11—C10—H10119.1H29A—C29A—H29B109.5
C12—C11—C10119.4 (2)O3A—C29A—H29C109.5
C12—C11—H11120.3H29A—C29A—H29C109.5
C10—C11—H11120.3H29B—C29A—H29C109.5
C13—C12—C11120.5 (2)C2—O3B—C29B111.6 (6)
C13—C12—O2120.1 (2)O3B—C29B—H29D109.5
C11—C12—O2119.4 (2)O3B—C29B—H29E109.5
C12—C13—C14119.8 (2)H29D—C29B—H29E109.5
C12—C13—H13120.1O3B—C29B—H29F109.5
C14—C13—H13120.1H29D—C29B—H29F109.5
C9—C14—C13121.2 (2)H29E—C29B—H29F109.5
C9—C14—H14119.4C5—O4—C30117.6 (3)
C13—C14—H14119.4O4—C30—H30A109.5
C15—O2—C12117.02 (18)O4—C30—H30B109.5
C20—C15—O2124.2 (2)H30A—C30—H30B109.5
C20—C15—C16119.9 (2)O4—C30—H30C109.5
O2—C15—C16116.0 (2)H30A—C30—H30C109.5
O5—C16—C17126.0 (3)H30B—C30—H30C109.5
O5—C16—C15115.1 (2)C16—O5—C31117.0 (3)
C17—C16—C15118.8 (3)O5—C31—H31A109.5
C18—C17—C16120.6 (3)O5—C31—H31B109.5
C18—C17—H17119.7H31A—C31—H31B109.5
C16—C17—H17119.7O5—C31—H31C109.5
C17—C18—C19121.9 (3)H31A—C31—H31C109.5
C17—C18—H18119.0H31B—C31—H31C109.5
C19—C18—H18119.0
C25—O1—C1—C6125.1 (3)C20—C15—C16—O5178.4 (2)
C25—O1—C1—C261.6 (3)O2—C15—C16—O50.9 (3)
C6—C1—C2—C35.2 (5)C20—C15—C16—C170.7 (4)
O1—C1—C2—C3178.2 (3)O2—C15—C16—C17180.0 (2)
C6—C1—C2—O3A168.2 (4)O5—C16—C17—C18178.4 (3)
O1—C1—C2—O3A18.8 (5)C15—C16—C17—C180.6 (4)
C6—C1—C2—O3B164.8 (4)C16—C17—C18—C190.2 (4)
O1—C1—C2—O3B8.2 (5)C17—C18—C19—C200.1 (4)
C1—C2—C3—C42.9 (5)C17—C18—C19—C21176.1 (3)
O3A—C2—C3—C4169.3 (3)O2—C15—C20—C19179.6 (2)
O3B—C2—C3—C4163.2 (6)C16—C15—C20—C190.4 (4)
C2—C3—C4—C50.2 (5)C18—C19—C20—C150.0 (4)
C3—C4—C5—O4177.4 (3)C21—C19—C20—C15176.2 (2)
C3—C4—C5—C61.3 (4)C18—C19—C21—C2289.0 (3)
C2—C1—C6—C54.2 (4)C20—C19—C21—C2287.0 (3)
O1—C1—C6—C5177.3 (2)C19—C21—C22—C2357.0 (3)
C2—C1—C6—C7172.0 (3)C21—C22—C23—C2899.2 (3)
O1—C1—C6—C71.1 (4)C21—C22—C23—C2477.9 (3)
C4—C5—C6—C10.8 (4)C28—C23—C24—C250.3 (4)
O4—C5—C6—C1179.6 (2)C22—C23—C24—C25177.5 (2)
C4—C5—C6—C7175.5 (2)C1—O1—C25—C2613.5 (4)
O4—C5—C6—C73.3 (3)C1—O1—C25—C24167.7 (2)
C1—C6—C7—C8111.7 (3)C23—C24—C25—C260.2 (4)
C5—C6—C7—C872.2 (3)C23—C24—C25—O1179.0 (2)
C6—C7—C8—C985.1 (3)O1—C25—C26—C27179.0 (2)
C7—C8—C9—C1079.5 (3)C24—C25—C26—C270.3 (4)
C7—C8—C9—C1499.4 (3)C25—C26—C27—C280.6 (4)
C14—C9—C10—C111.4 (4)C24—C23—C28—C270.6 (4)
C8—C9—C10—C11177.5 (2)C22—C23—C28—C27177.7 (2)
C9—C10—C11—C120.5 (4)C26—C27—C28—C230.7 (4)
C10—C11—C12—C131.4 (4)C3—C2—O3A—C29A117.7 (7)
C10—C11—C12—O2177.5 (2)C1—C2—O3A—C29A78.2 (7)
C11—C12—C13—C142.3 (4)O3B—C2—O3A—C29A28.0 (6)
O2—C12—C13—C14178.4 (2)C3—C2—O3B—C29B2.7 (11)
C10—C9—C14—C130.5 (4)C1—C2—O3B—C29B164.7 (7)
C8—C9—C14—C13178.5 (2)O3A—C2—O3B—C29B52.5 (7)
C12—C13—C14—C91.3 (4)C4—C5—O4—C300.4 (4)
C13—C12—O2—C1591.4 (3)C6—C5—O4—C30179.1 (3)
C11—C12—O2—C1592.5 (3)C17—C16—O5—C312.1 (4)
C12—O2—C15—C209.9 (4)C15—C16—O5—C31176.9 (3)
C12—O2—C15—C16169.4 (2)
Comparison of the conformations of Marchantin M trimethyl ester (4) and Marchantin A trimethyl ester (1) (torsion angles, °) top
(4)(1)
C25-O1-C1-C6125.1 (3)-116.7 (4)
C25-O1-C1-C2-61.6 (3)65.8 (5)
C1-C6-C7-C8-111.7 (3)119.2 (4)
C5-C6-C7-C872.2 (3)-68.1 (5)
C6-C7-C8-C985.1 (3)-90.5 (6)
C7-C8-C9-C10-79.5 (3)71.3 (7)
C7-C8-C9-C1499.4 (3)104.1 (6)
C13-C12-O2-C15-91.4 (3)104.8 (5)
C11-C12-O2-C1592.5 (3)-76.5 (5)
C12-O2-C15-C209.9 (4)-14.3 (6)
C12-O2-C15-C16-169.4 (2)167.6 (4)
C18-C19-C21-C2289.0 (3)-88.8 (5)
C20-C19-C21-C22-87.0 (3)89.7 (5)
C19-C21-C22-C2357.0 (3)-62.0 (5)
C21-C22-C23-C28-99.2 (3)111.0 (5)
C21-C22-C23-C2477.9 (3)-70.5 (5)
C1-O1-C25-C26-13.5 (4)7.2 (5)
C1-O1-C25-C24167.7 (2)-172.9 (3)
 

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