Literature DB >> 22259548

[2-(4-Chloro-phen-yl)-5-phenyl-oxolan-3-yl](cyclo-penten-yl)methanone.

Jae Kyun Lee, Satish N Chavre, Yong Seo Cho, Yeonhee Lee, Joo Hwan Cha.   

Abstract

In the title compound, C(22)H(21)ClO(2), the oxolane ring adopts a twisted conformation. The dihedral angles between the mean plane of the oxolane ring and the mean planes of the 4-chloro-phenyl, phenyl and cyclo-pentenyl rings are 71.81 (18), 76.9 (18) and 82.08 (18)°, respectively.

Entities:  

Year:  2011        PMID: 22259548      PMCID: PMC3254405          DOI: 10.1107/S1600536811051993

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


Related literature

For general background to the Prins-type cyclization for the synthesis of oxolanes, see: Chavre et al. (2006 ▶, 2008 ▶); Cohen et al. (2001 ▶); Shin et al. (2005 ▶).

Experimental

Crystal data

C22H21ClO2 M = 352.86 Monoclinic, a = 5.7575 (6) Å b = 11.3547 (12) Å c = 28.554 (3) Å β = 94.442 (8)° V = 1861.1 (4) Å3 Z = 4 Cu Kα radiation μ = 1.90 mm−1 T = 296 K 0.50 × 0.20 × 0.20 mm

Data collection

Rigaku R-AXIS RAPID diffractometer Absorption correction: multi-scan (ABSCOR; Rigaku, 1995 ▶) T min = 0.301, T max = 0.684 18544 measured reflections 3363 independent reflections 2012 reflections with F 2 > 2σ(F 2) R int = 0.073

Refinement

R[F 2 > 2σ(F 2)] = 0.051 wR(F 2) = 0.139 S = 1.05 3363 reflections 230 parameters H atoms treated by a mixture of independent and constrained refinement Δρmax = 0.20 e Å−3 Δρmin = −0.19 e Å−3 Data collection: RAPID-AUTO (Rigaku, 2006 ▶); cell refinement: RAPID-AUTO; data reduction: RAPID-AUTO; program(s) used to solve structure: SIR2008 in Il Milione (Burla et al., 2007 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: CrystalStructure (Rigaku, 2010 ▶); software used to prepare material for publication: CrystalStructure. Crystal structure: contains datablock(s) global, I. DOI: 10.1107/S1600536811051993/go2037sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S1600536811051993/go2037Isup2.hkl Supplementary material file. DOI: 10.1107/S1600536811051993/go2037Isup3.cml Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C22H21ClO2F(000) = 744.00
Mr = 352.86Dx = 1.259 Mg m3
Monoclinic, P21/nCu Kα radiation, λ = 1.54187 Å
Hall symbol: -P 2ynCell parameters from 12997 reflections
a = 5.7575 (6) Åθ = 3.1–68.3°
b = 11.3547 (12) ŵ = 1.90 mm1
c = 28.554 (3) ÅT = 296 K
β = 94.442 (8)°Needle, yellow
V = 1861.1 (4) Å30.50 × 0.20 × 0.20 mm
Z = 4
Rigaku R-AXIS RAPID diffractometer2012 reflections with F2 > 2σ(F2)
Detector resolution: 10.000 pixels mm-1Rint = 0.073
ω scansθmax = 68.2°
Absorption correction: multi-scan (ABSCOR; Rigaku, 1995)h = −6→6
Tmin = 0.301, Tmax = 0.684k = −13→13
18544 measured reflectionsl = −34→34
3363 independent reflections
Refinement on F2Secondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.051Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.139H atoms treated by a mixture of independent and constrained refinement
S = 1.05w = 1/[σ2(Fo2) + (0.0568P)2 + 0.1808P] where P = (Fo2 + 2Fc2)/3
3363 reflections(Δ/σ)max = 0.001
230 parametersΔρmax = 0.20 e Å3
0 restraintsΔρmin = −0.19 e Å3
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 was performed using all reflections. The weighted R-factor (wR) and goodness of fit (S) are based on F2. R-factor (gt) are based on F. The threshold expression of F2 > 2.0 σ(F2) is used only for calculating R-factor (gt).
xyzUiso*/Ueq
Cl(1)0.34139 (17)0.11812 (7)0.53247 (3)0.1065 (4)
O(1)0.2994 (3)0.37307 (13)0.74183 (5)0.0597 (5)
O(2)0.6450 (3)0.53421 (16)0.66245 (6)0.0763 (6)
C(2)0.1844 (5)0.4198 (2)0.70022 (8)0.0574 (7)
C(3)0.2806 (5)0.5488 (2)0.69627 (8)0.0561 (7)
C(4)0.4071 (5)0.5703 (3)0.74448 (8)0.0700 (8)
C(5)0.3328 (5)0.4685 (3)0.77457 (8)0.0602 (7)
C(6)0.5050 (5)0.4344 (2)0.81393 (8)0.0541 (6)
C(7)0.7050 (5)0.3738 (3)0.80578 (10)0.0682 (8)
C(8)0.8695 (5)0.3488 (3)0.84223 (12)0.0802 (9)
C(9)0.8361 (6)0.3839 (3)0.88696 (11)0.0805 (9)
C(10)0.6385 (6)0.4435 (3)0.89575 (9)0.0795 (9)
C(11)0.4730 (5)0.4682 (3)0.85944 (9)0.0668 (7)
C(12)0.2209 (5)0.3392 (2)0.65941 (8)0.0526 (6)
C(13)0.0550 (5)0.3341 (3)0.62177 (9)0.0628 (7)
C(14)0.0916 (5)0.2667 (3)0.58285 (9)0.0713 (8)
C(15)0.2948 (6)0.2045 (3)0.58140 (9)0.0680 (8)
C(16)0.4618 (5)0.2066 (3)0.61850 (10)0.0697 (8)
C(17)0.4230 (5)0.2737 (2)0.65745 (9)0.0632 (7)
C(18)0.4382 (5)0.5586 (2)0.65654 (8)0.0549 (6)
C(19)0.3382 (5)0.5935 (2)0.60977 (8)0.0523 (6)
C(20)0.1393 (5)0.6481 (3)0.59902 (9)0.0667 (8)
C(21)0.1054 (6)0.6755 (3)0.54765 (9)0.0881 (10)
C(22)0.3045 (6)0.6163 (4)0.52732 (10)0.0999 (11)
C(23)0.4688 (5)0.5744 (3)0.56742 (9)0.0829 (9)
H(2)0.01710.42400.70430.0689*
H(3)0.15050.60410.69120.0673*
H(4A)0.57460.57020.74260.0840*
H(4B)0.36120.64510.75730.0840*
H(5)0.18390.48770.78720.0723*
H(7)0.72950.34950.77550.0818*
H(8)1.00390.30770.83630.0963*
H(9)0.94780.36730.91130.0966*
H(10)0.61510.46740.92620.0954*
H(11)0.33800.50830.86570.0802*
H(13)−0.08270.37650.62270.0753*
H(14)−0.02110.26350.55770.0855*
H(16)0.59870.16360.61740.0836*
H(17)0.53450.27490.68280.0758*
H(21A)−0.04190.64440.53420.1057*
H(21B)0.10900.75980.54230.1057*
H(22A)0.38330.67100.50780.1199*
H(22B)0.24950.55010.50810.1199*
H(23A)0.50630.49180.56380.0994*
H(23B)0.61200.61980.56940.0994*
H(20)0.033 (5)0.672 (3)0.6215 (9)0.086 (9)*
U11U22U33U12U13U23
Cl(1)0.1507 (9)0.0956 (7)0.0744 (5)0.0158 (6)0.0156 (5)−0.0156 (4)
O(1)0.0594 (12)0.0608 (11)0.0580 (10)−0.0031 (9)−0.0002 (8)0.0051 (8)
O(2)0.0438 (12)0.0850 (14)0.1001 (14)0.0143 (10)0.0048 (10)0.0100 (11)
C(2)0.0435 (15)0.0749 (17)0.0541 (14)0.0051 (13)0.0051 (12)0.0053 (12)
C(3)0.0554 (16)0.0592 (15)0.0541 (14)0.0195 (13)0.0067 (12)0.0033 (11)
C(4)0.091 (2)0.0526 (15)0.0655 (16)0.0113 (15)−0.0014 (15)−0.0010 (12)
C(5)0.0540 (17)0.0693 (17)0.0580 (15)0.0132 (13)0.0085 (13)−0.0031 (13)
C(6)0.0498 (16)0.0577 (14)0.0546 (14)0.0049 (12)0.0032 (12)0.0053 (11)
C(7)0.0614 (19)0.0715 (18)0.0712 (17)0.0147 (15)0.0019 (14)0.0040 (14)
C(8)0.063 (2)0.0660 (18)0.109 (3)0.0128 (15)−0.0068 (18)0.0108 (17)
C(9)0.080 (3)0.071 (2)0.086 (3)−0.0072 (17)−0.0249 (18)0.0174 (16)
C(10)0.091 (3)0.083 (2)0.0624 (17)−0.0093 (19)−0.0075 (17)−0.0003 (15)
C(11)0.0663 (19)0.0701 (17)0.0639 (17)0.0031 (14)0.0038 (14)−0.0034 (13)
C(12)0.0423 (15)0.0572 (14)0.0580 (15)−0.0024 (12)0.0021 (12)0.0057 (11)
C(13)0.0521 (17)0.0688 (17)0.0670 (16)0.0033 (14)0.0018 (14)0.0059 (13)
C(14)0.077 (3)0.0753 (19)0.0592 (16)0.0003 (16)−0.0070 (15)0.0029 (14)
C(15)0.081 (3)0.0638 (17)0.0604 (16)−0.0040 (16)0.0129 (16)0.0014 (13)
C(16)0.0560 (18)0.0653 (17)0.089 (2)0.0075 (14)0.0120 (16)−0.0044 (15)
C(17)0.0489 (17)0.0655 (16)0.0741 (17)0.0055 (13)−0.0023 (13)−0.0065 (13)
C(18)0.0468 (16)0.0497 (14)0.0682 (16)0.0050 (12)0.0050 (13)0.0004 (12)
C(19)0.0449 (16)0.0562 (14)0.0567 (14)−0.0011 (12)0.0094 (12)−0.0019 (11)
C(20)0.0558 (18)0.090 (2)0.0554 (16)0.0107 (16)0.0102 (14)0.0036 (14)
C(21)0.073 (2)0.132 (3)0.0592 (17)0.015 (2)0.0067 (15)0.0116 (17)
C(22)0.093 (3)0.146 (4)0.0635 (19)0.006 (3)0.0223 (19)−0.0039 (18)
C(23)0.069 (2)0.107 (3)0.0762 (19)0.0100 (18)0.0269 (17)−0.0053 (17)
Cl(1)—C(15)1.745 (3)C(20)—C(21)1.497 (4)
O(1)—C(2)1.418 (3)C(21)—C(22)1.485 (5)
O(1)—C(5)1.434 (3)C(22)—C(23)1.505 (4)
O(2)—C(18)1.221 (3)C(2)—H(2)0.980
C(2)—C(3)1.573 (4)C(3)—H(3)0.980
C(2)—C(12)1.509 (4)C(4)—H(4A)0.970
C(3)—C(4)1.526 (4)C(4)—H(4B)0.970
C(3)—C(18)1.511 (4)C(5)—H(5)0.980
C(4)—C(5)1.521 (4)C(7)—H(7)0.930
C(5)—C(6)1.491 (4)C(8)—H(8)0.930
C(6)—C(7)1.376 (4)C(9)—H(9)0.930
C(6)—C(11)1.381 (4)C(10)—H(10)0.930
C(7)—C(8)1.382 (4)C(11)—H(11)0.930
C(8)—C(9)1.366 (5)C(13)—H(13)0.930
C(9)—C(10)1.363 (5)C(14)—H(14)0.930
C(10)—C(11)1.382 (4)C(16)—H(16)0.930
C(12)—C(13)1.382 (4)C(17)—H(17)0.930
C(12)—C(17)1.386 (4)C(20)—H(20)0.96 (3)
C(13)—C(14)1.379 (4)C(21)—H(21A)0.970
C(14)—C(15)1.370 (5)C(21)—H(21B)0.970
C(15)—C(16)1.375 (4)C(22)—H(22A)0.970
C(16)—C(17)1.380 (4)C(22)—H(22B)0.970
C(18)—C(19)1.467 (4)C(23)—H(23A)0.970
C(19)—C(20)1.318 (4)C(23)—H(23B)0.970
C(19)—C(23)1.488 (4)
O(2)···C(2)i3.460 (3)H(8)···H(4A)iv3.5198
O(2)···C(8)ii3.575 (4)H(8)···H(4B)iv3.3875
O(2)···C(13)i3.537 (4)H(8)···H(5)i2.7276
C(2)···O(2)iii3.460 (3)H(8)···H(11)i3.0564
C(8)···O(2)iv3.575 (4)H(8)···H(23B)iv3.5412
C(8)···C(18)iv3.475 (4)H(8)···H(20)iv3.2315
C(8)···C(19)iv3.572 (4)H(9)···Cl(1)ii3.4433
C(11)···C(15)v3.582 (4)H(9)···Cl(1)x3.5629
C(13)···O(2)iii3.537 (4)H(9)···C(19)iv3.4151
C(15)···C(11)vi3.582 (4)H(9)···C(20)iv3.4699
C(18)···C(8)ii3.475 (4)H(9)···C(21)iv3.5022
C(19)···C(8)ii3.572 (4)H(9)···C(22)iv3.5828
Cl(1)···H(9)iv3.4433H(9)···C(23)iv3.4077
Cl(1)···H(9)vii3.5629H(9)···H(11)i3.1235
Cl(1)···H(10)vi3.4222H(9)···H(16)ii3.4677
Cl(1)···H(10)vii3.3528H(9)···H(21B)iv3.0383
Cl(1)···H(11)vi3.3964H(9)···H(22A)iv3.3010
Cl(1)···H(21B)viii3.5133H(9)···H(23B)iv2.8899
Cl(1)···H(22A)ix3.1389H(10)···Cl(1)v3.4222
O(1)···H(4B)vi2.7496H(10)···Cl(1)x3.3528
O(1)···H(7)iii3.4997H(10)···C(15)v3.5757
O(1)···H(8)iii3.3806H(10)···H(14)v3.4412
O(2)···H(2)i2.6806H(10)···H(16)ii3.0881
O(2)···H(3)i3.0662H(10)···H(21B)vi2.8666
O(2)···H(8)ii3.2230H(11)···Cl(1)v3.3964
O(2)···H(13)i2.6883H(11)···C(8)iii3.2748
O(2)···H(20)i3.03 (3)H(11)···C(9)iii3.3137
C(2)···H(4B)vi3.3645H(11)···C(14)v3.2922
C(3)···H(8)ii3.3504H(11)···C(15)v2.8298
C(5)···H(8)iii3.2463H(11)···C(16)v2.8939
C(6)···H(8)iii3.3292H(11)···C(17)v3.4096
C(6)···H(20)vi3.52 (3)H(11)···H(8)iii3.0564
C(7)···H(2)i3.5722H(11)···H(9)iii3.1235
C(7)···H(5)i3.1280H(11)···H(16)v3.1385
C(7)···H(20)vi3.44 (3)H(13)···O(2)iii2.6883
C(8)···H(5)i2.9455H(13)···C(16)iii3.2505
C(8)···H(11)i3.2748H(13)···C(17)iii3.2991
C(8)···H(20)vi3.29 (3)H(13)···H(16)iii3.0320
C(9)···H(11)i3.3137H(13)···H(17)iii3.1180
C(9)···H(16)ii3.2006H(13)···H(23A)iii3.0864
C(9)···H(23B)iv3.2533H(13)···H(23B)iii3.5534
C(9)···H(20)vi3.20 (3)H(14)···C(21)viii3.0892
C(10)···H(16)ii2.9601H(14)···C(22)viii3.1317
C(10)···H(21B)vi3.1472H(14)···H(10)vi3.4412
C(10)···H(20)vi3.26 (3)H(14)···H(16)iii3.0912
C(11)···H(8)iii3.2826H(14)···H(21A)viii2.8734
C(11)···H(16)ii3.3447H(14)···H(21B)viii2.8730
C(11)···H(20)vi3.41 (3)H(14)···H(22A)viii2.7927
C(12)···H(4B)vi3.3030H(14)···H(22B)viii3.0585
C(13)···H(16)iii3.2583H(16)···C(9)iv3.2006
C(14)···H(11)vi3.2922H(16)···C(10)iv2.9601
C(14)···H(16)iii3.2907H(16)···C(11)iv3.3447
C(14)···H(21A)viii3.4806H(16)···C(13)i3.2583
C(15)···H(10)vi3.5757H(16)···C(14)i3.2907
C(15)···H(11)vi2.8298H(16)···H(9)iv3.4677
C(15)···H(22A)ix3.5571H(16)···H(10)iv3.0881
C(16)···H(11)vi2.8939H(16)···H(11)vi3.1385
C(16)···H(13)i3.2505H(16)···H(13)i3.0320
C(17)···H(4B)vi3.3692H(16)···H(14)i3.0912
C(17)···H(11)vi3.4096H(17)···H(2)i3.2711
C(17)···H(13)i3.2991H(17)···H(4B)vi3.2998
C(18)···H(8)ii2.8538H(17)···H(13)i3.1180
C(19)···H(8)ii2.9837H(21A)···C(14)viii3.4806
C(19)···H(9)ii3.4151H(21A)···C(23)iii3.1440
C(20)···H(8)ii3.2142H(21A)···H(14)viii2.8734
C(20)···H(9)ii3.4699H(21A)···H(22A)iii3.3502
C(20)···H(23B)iii3.1048H(21A)···H(22B)viii2.7457
C(21)···H(9)ii3.5022H(21A)···H(23A)iii3.2912
C(21)···H(14)viii3.0892H(21A)···H(23B)iii2.3173
C(21)···H(22B)viii3.5726H(21B)···Cl(1)viii3.5133
C(21)···H(23B)iii3.0209H(21B)···C(10)v3.1472
C(22)···H(9)ii3.5828H(21B)···H(9)ii3.0383
C(22)···H(14)viii3.1317H(21B)···H(10)v2.8666
C(22)···H(22B)ix3.4041H(21B)···H(14)viii2.8730
C(22)···H(23A)ix3.1476H(21B)···H(23B)iii3.4145
C(23)···H(9)ii3.4077H(22A)···Cl(1)ix3.1389
C(23)···H(21A)i3.1440H(22A)···C(15)ix3.5571
C(23)···H(22B)ix3.1328H(22A)···H(9)ii3.3010
H(2)···O(2)iii2.6806H(22A)···H(14)viii2.7927
H(2)···C(7)iii3.5722H(22A)···H(21A)i3.3502
H(2)···H(4A)iii3.2970H(22A)···H(22B)ix3.3354
H(2)···H(4B)vi3.4065H(22A)···H(23A)ix2.8646
H(2)···H(7)iii2.8478H(22B)···C(21)viii3.5726
H(2)···H(17)iii3.2711H(22B)···C(22)ix3.4041
H(3)···O(2)iii3.0662H(22B)···C(23)ix3.1328
H(3)···H(8)ii3.1877H(22B)···H(14)viii3.0585
H(4A)···H(2)i3.2970H(22B)···H(21A)viii2.7457
H(4A)···H(7)ii3.4183H(22B)···H(22A)ix3.3354
H(4A)···H(8)ii3.5198H(22B)···H(22B)viii3.0914
H(4B)···O(1)v2.7496H(22B)···H(22B)ix3.1672
H(4B)···C(2)v3.3645H(22B)···H(23A)ix2.6197
H(4B)···C(12)v3.3030H(22B)···H(23B)ix3.0847
H(4B)···C(17)v3.3692H(23A)···C(22)ix3.1476
H(4B)···H(2)v3.4065H(23A)···H(13)i3.0864
H(4B)···H(7)ii3.4863H(23A)···H(21A)i3.2912
H(4B)···H(8)ii3.3875H(23A)···H(22A)ix2.8646
H(4B)···H(17)v3.2998H(23A)···H(22B)ix2.6197
H(5)···C(7)iii3.1280H(23B)···C(9)ii3.2533
H(5)···C(8)iii2.9455H(23B)···C(20)i3.1048
H(5)···H(7)iii3.0467H(23B)···C(21)i3.0209
H(5)···H(8)iii2.7276H(23B)···H(8)ii3.5412
H(7)···O(1)i3.4997H(23B)···H(9)ii2.8899
H(7)···H(2)i2.8478H(23B)···H(13)i3.5534
H(7)···H(4A)iv3.4183H(23B)···H(21A)i2.3173
H(7)···H(4B)iv3.4863H(23B)···H(21B)i3.4145
H(7)···H(5)i3.0467H(23B)···H(22B)ix3.0847
H(8)···O(1)i3.3806H(23B)···H(20)i2.8072
H(8)···O(2)iv3.2230H(20)···O(2)iii3.03 (3)
H(8)···C(3)iv3.3504H(20)···C(6)v3.52 (3)
H(8)···C(5)i3.2463H(20)···C(7)v3.44 (3)
H(8)···C(6)i3.3292H(20)···C(8)v3.29 (3)
H(8)···C(11)i3.2826H(20)···C(9)v3.20 (3)
H(8)···C(18)iv2.8538H(20)···C(10)v3.26 (3)
H(8)···C(19)iv2.9837H(20)···C(11)v3.41 (3)
H(8)···C(20)iv3.2142H(20)···H(8)ii3.2315
H(8)···H(3)iv3.1877H(20)···H(23B)iii2.8072
C(2)—O(1)—C(5)107.08 (17)C(18)—C(3)—H(3)109.756
O(1)—C(2)—C(3)105.33 (18)C(3)—C(4)—H(4A)110.822
O(1)—C(2)—C(12)109.62 (19)C(3)—C(4)—H(4B)110.830
C(3)—C(2)—C(12)116.0 (2)C(5)—C(4)—H(4A)110.820
C(2)—C(3)—C(4)103.30 (19)C(5)—C(4)—H(4B)110.820
C(2)—C(3)—C(18)110.98 (19)H(4A)—C(4)—H(4B)108.881
C(4)—C(3)—C(18)113.2 (2)O(1)—C(5)—H(5)109.307
C(3)—C(4)—C(5)104.6 (2)C(4)—C(5)—H(5)109.305
O(1)—C(5)—C(4)103.60 (18)C(6)—C(5)—H(5)109.316
O(1)—C(5)—C(6)110.1 (2)C(6)—C(7)—H(7)119.692
C(4)—C(5)—C(6)115.0 (2)C(8)—C(7)—H(7)119.701
C(5)—C(6)—C(7)121.2 (3)C(7)—C(8)—H(8)119.783
C(5)—C(6)—C(11)120.5 (3)C(9)—C(8)—H(8)119.795
C(7)—C(6)—C(11)118.2 (3)C(8)—C(9)—H(9)120.091
C(6)—C(7)—C(8)120.6 (3)C(10)—C(9)—H(9)120.106
C(7)—C(8)—C(9)120.4 (3)C(9)—C(10)—H(10)120.016
C(8)—C(9)—C(10)119.8 (3)C(11)—C(10)—H(10)120.013
C(9)—C(10)—C(11)120.0 (3)C(6)—C(11)—H(11)119.505
C(6)—C(11)—C(10)121.0 (3)C(10)—C(11)—H(11)119.501
C(2)—C(12)—C(13)119.8 (3)C(12)—C(13)—H(13)119.632
C(2)—C(12)—C(17)121.6 (2)C(14)—C(13)—H(13)119.645
C(13)—C(12)—C(17)118.5 (3)C(13)—C(14)—H(14)120.183
C(12)—C(13)—C(14)120.7 (3)C(15)—C(14)—H(14)120.201
C(13)—C(14)—C(15)119.6 (3)C(15)—C(16)—H(16)120.539
Cl(1)—C(15)—C(14)119.9 (2)C(17)—C(16)—H(16)120.562
Cl(1)—C(15)—C(16)119.0 (3)C(12)—C(17)—H(17)119.414
C(14)—C(15)—C(16)121.1 (3)C(16)—C(17)—H(17)119.421
C(15)—C(16)—C(17)118.9 (3)C(19)—C(20)—H(20)124.5 (15)
C(12)—C(17)—C(16)121.2 (3)C(21)—C(20)—H(20)123.6 (15)
O(2)—C(18)—C(3)121.0 (2)C(20)—C(21)—H(21A)110.941
O(2)—C(18)—C(19)119.8 (3)C(20)—C(21)—H(21B)110.944
C(3)—C(18)—C(19)119.2 (3)C(22)—C(21)—H(21A)110.955
C(18)—C(19)—C(20)127.7 (3)C(22)—C(21)—H(21B)110.945
C(18)—C(19)—C(23)120.9 (3)H(21A)—C(21)—H(21B)108.957
C(20)—C(19)—C(23)111.3 (3)C(21)—C(22)—H(22A)110.164
C(19)—C(20)—C(21)111.8 (3)C(21)—C(22)—H(22B)110.161
C(20)—C(21)—C(22)104.1 (3)C(23)—C(22)—H(22A)110.158
C(21)—C(22)—C(23)107.7 (3)C(23)—C(22)—H(22B)110.167
C(19)—C(23)—C(22)104.2 (3)H(22A)—C(22)—H(22B)108.463
O(1)—C(2)—H(2)108.562C(19)—C(23)—H(23A)110.912
C(3)—C(2)—H(2)108.556C(19)—C(23)—H(23B)110.920
C(12)—C(2)—H(2)108.535C(22)—C(23)—H(23A)110.929
C(2)—C(3)—H(3)109.737C(22)—C(23)—H(23B)110.927
C(4)—C(3)—H(3)109.735H(23A)—C(23)—H(23B)108.947
C(2)—O(1)—C(5)—C(4)−41.7 (2)C(11)—C(6)—C(7)—C(8)−0.6 (4)
C(2)—O(1)—C(5)—C(6)−165.24 (17)C(6)—C(7)—C(8)—C(9)−0.0 (4)
C(5)—O(1)—C(2)—C(3)34.0 (2)C(7)—C(8)—C(9)—C(10)0.4 (5)
C(5)—O(1)—C(2)—C(12)159.47 (17)C(8)—C(9)—C(10)—C(11)−0.1 (5)
O(1)—C(2)—C(3)—C(4)−12.5 (3)C(9)—C(10)—C(11)—C(6)−0.6 (5)
O(1)—C(2)—C(3)—C(18)109.02 (18)C(2)—C(12)—C(13)—C(14)175.9 (2)
O(1)—C(2)—C(12)—C(13)151.51 (18)C(2)—C(12)—C(17)—C(16)−175.4 (2)
O(1)—C(2)—C(12)—C(17)−31.7 (3)C(13)—C(12)—C(17)—C(16)1.4 (4)
C(3)—C(2)—C(12)—C(13)−89.4 (3)C(17)—C(12)—C(13)—C(14)−1.0 (4)
C(3)—C(2)—C(12)—C(17)87.4 (3)C(12)—C(13)—C(14)—C(15)−0.2 (4)
C(12)—C(2)—C(3)—C(4)−133.95 (19)C(13)—C(14)—C(15)—Cl(1)179.5 (2)
C(12)—C(2)—C(3)—C(18)−12.4 (3)C(13)—C(14)—C(15)—C(16)1.1 (4)
C(2)—C(3)—C(4)—C(5)−11.7 (3)Cl(1)—C(15)—C(16)—C(17)−179.07 (17)
C(2)—C(3)—C(18)—O(2)−85.7 (3)C(14)—C(15)—C(16)—C(17)−0.6 (4)
C(2)—C(3)—C(18)—C(19)91.9 (3)C(15)—C(16)—C(17)—C(12)−0.6 (4)
C(4)—C(3)—C(18)—O(2)29.9 (3)O(2)—C(18)—C(19)—C(20)−162.7 (2)
C(4)—C(3)—C(18)—C(19)−152.55 (18)O(2)—C(18)—C(19)—C(23)13.7 (4)
C(18)—C(3)—C(4)—C(5)−131.75 (19)C(3)—C(18)—C(19)—C(20)19.7 (4)
C(3)—C(4)—C(5)—O(1)31.9 (3)C(3)—C(18)—C(19)—C(23)−163.86 (18)
C(3)—C(4)—C(5)—C(6)152.05 (19)C(18)—C(19)—C(20)—C(21)176.2 (2)
O(1)—C(5)—C(6)—C(7)42.3 (3)C(18)—C(19)—C(23)—C(22)177.59 (19)
O(1)—C(5)—C(6)—C(11)−140.95 (19)C(20)—C(19)—C(23)—C(22)−5.5 (3)
C(4)—C(5)—C(6)—C(7)−74.2 (3)C(23)—C(19)—C(20)—C(21)−0.5 (3)
C(4)—C(5)—C(6)—C(11)102.5 (3)C(19)—C(20)—C(21)—C(22)6.3 (4)
C(5)—C(6)—C(7)—C(8)176.2 (2)C(20)—C(21)—C(22)—C(23)−9.4 (4)
C(5)—C(6)—C(11)—C(10)−175.9 (2)C(21)—C(22)—C(23)—C(19)9.2 (4)
C(7)—C(6)—C(11)—C(10)0.9 (4)
  5 in total

1.  5-Exocyclic products, 2,3,5-trisubstituted tetrahydrofurans via Prins-type cyclization.

Authors:  Satish N Chavre; Hyunah Choo; Joo Hwan Cha; Ae Nim Pae; Kyung Il Choi; Yong Seo Cho
Journal:  Org Lett       Date:  2006-08-03       Impact factor: 6.005

2.  A short history of SHELX.

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

3.  Highly stereoselective synthesis of 2,5-disubstituted 3-vinylidene tetetrahydrofurans via Prins-type cyclization.

Authors:  Chul Shin; Satish N Chavre; Ae Nim Pae; Joo Hwan Cha; Hun Yeong Koh; Moon Ho Chang; Jung Hoon Choi; Yong Seo Cho
Journal:  Org Lett       Date:  2005-07-21       Impact factor: 6.005

4.  Stereoselection in the Prins-pinacol synthesis of acyltetrahydrofurans.

Authors:  F Cohen; D W MacMillan; L E Overman; A Romero
Journal:  Org Lett       Date:  2001-04-19       Impact factor: 6.005

5.  5- And 6-exocyclic products, cis-2,3,5-trisubstituted tetrahydrofurans, and cis-2,3,6-trisubstituted tetrahydropyrans via Prins-type cyclization.

Authors:  Satish N Chavre; Hyunah Choo; Jae Kyun Lee; Ae Nim Pae; Youseung Kim; Yong Seo Cho
Journal:  J Org Chem       Date:  2008-08-29       Impact factor: 4.354

  5 in total

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