Literature DB >> 21582822

Ethyl 6-(6-meth-oxy-2-naphth-yl)-2-oxo-4-(2-thien-yl)cyclo-hex-3-ene-1-carboxyl-ate.

Hongqi Li, Anil N Mayekar, B Narayana, H S Yathirajan, W T A Harrison.   

Abstract

The title compound, C(24)H(22)O(4)S, was prepared by reaction between (2E)-3-(6-meth-oxy-2-naphth-yl)-1-(2-thien-yl)prop-2-en-1-one and ethyl acetoacetate. In the crystal, the cyclo-hexenone ring shows a distorted half-chair conformation. The length of the double bond in the cyclohexenone ring [1.343 (4) Å] is normal.

Entities:  

Year:  2009        PMID: 21582822      PMCID: PMC2969391          DOI: 10.1107/S1600536809021308

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


Related literature

For related structures, see: Fischer et al. (2007 ▶; 2008 ▶). For the use of cyclo­hexenones in organic synthesis, see: Padmavathi et al. (1999 ▶, 2001 ▶). For pharmaceutical applications of cyclo­hexenone derivatives, see: Hoye & Tennakoon (2000 ▶); Hiromichi et al. (2002 ▶).

Experimental

Crystal data

C24H22O4S M = 406.48 Monoclinic, a = 18.2501 (4) Å b = 11.7176 (2) Å c = 9.6846 (2) Å β = 93.048 (1)° V = 2068.10 (7) Å3 Z = 4 Mo Kα radiation μ = 0.18 mm−1 T = 296 K 0.45 × 0.29 × 0.16 mm

Data collection

Bruker SMART CCD area-detector diffractometer Absorption correction: multi-scan (SADABS; Sheldrick, 2004 ▶) T min = 0.922, T max = 0.972 17446 measured reflections 4035 independent reflections 2880 reflections with I > 2σ(I) R int = 0.028

Refinement

R[F 2 > 2σ(F 2)] = 0.063 wR(F 2) = 0.202 S = 1.02 4035 reflections 282 parameters H-atom parameters constrained Δρmax = 0.26 e Å−3 Δρmin = −0.38 e Å−3 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 ▶); software used to prepare material for publication: SHELXTL. Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536809021308/sj2629sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536809021308/sj2629Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C24H22O4SF(000) = 856
Mr = 406.48Dx = 1.305 Mg m3
Monoclinic, P21/cMelting point = 415–418 K
Hall symbol: -P 2ybcMo Kα radiation, λ = 0.71073 Å
a = 18.2501 (4) ÅCell parameters from 8575 reflections
b = 11.7176 (2) Åθ = 2.3–28.1°
c = 9.6846 (2) ŵ = 0.18 mm1
β = 93.048 (1)°T = 296 K
V = 2068.10 (7) Å3Block, colourless
Z = 40.45 × 0.29 × 0.16 mm
Bruker SMART CCD area-detector diffractometer4035 independent reflections
Radiation source: fine-focus sealed tube2880 reflections with I > 2σ(I)
graphiteRint = 0.028
φ and ω scansθmax = 26.0°, θmin = 2.2°
Absorption correction: multi-scan (SADABS; Sheldrick, 2004)h = −22→22
Tmin = 0.922, Tmax = 0.972k = −11→14
17446 measured reflectionsl = −11→10
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.063Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.202H-atom parameters constrained
S = 1.02w = 1/[σ2(Fo2) + (0.095P)2 + 0.9907P] where P = (Fo2 + 2Fc2)/3
4035 reflections(Δ/σ)max = 0.001
282 parametersΔρmax = 0.26 e Å3
0 restraintsΔρmin = −0.37 e Å3
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*/UeqOcc. (<1)
C10.1379 (2)0.5193 (3)0.4085 (3)0.0917 (10)
H1A0.15240.45680.46250.110*
C20.0777 (2)0.5795 (4)0.4405 (4)0.0955 (12)
H2A0.05160.55770.51600.115*
C30.05423 (16)0.6739 (3)0.3619 (4)0.0845 (9)
C40.09205 (15)0.7057 (3)0.2525 (3)0.0733 (8)
H4A0.07620.76820.19970.088*
C50.15546 (13)0.6457 (2)0.2168 (3)0.0593 (6)
C60.17879 (16)0.5499 (2)0.2952 (3)0.0661 (7)
C70.24126 (19)0.4896 (3)0.2584 (3)0.0810 (9)
H7A0.25670.42670.31080.097*
C80.28020 (16)0.5208 (3)0.1474 (3)0.0787 (9)
C90.25672 (16)0.6164 (3)0.0705 (3)0.0768 (8)
H9A0.28290.6392−0.00450.092*
C100.19634 (15)0.6766 (3)0.1033 (3)0.0694 (7)
H10A0.18180.73930.04970.083*
C11A0.3387 (4)0.4303 (7)0.1361 (8)0.0567 (17)0.489 (11)
H11A0.32740.36490.19440.068*0.489 (11)
C11B0.3537 (3)0.4735 (6)0.0866 (7)0.0498 (15)0.511 (11)
H11B0.36420.51400.00130.060*0.511 (11)
C120.41517 (14)0.4837 (2)0.1877 (3)0.0587 (6)
H12A0.42120.55680.14260.070*
H12B0.41490.49740.28640.070*
C130.47940 (14)0.4085 (2)0.1587 (3)0.0563 (6)
C140.47374 (16)0.3283 (2)0.0596 (3)0.0654 (7)
H14A0.51560.28750.03960.078*
C150.40620 (18)0.3025 (3)−0.0168 (3)0.0779 (8)
C16A0.3403 (3)0.3921 (6)−0.0137 (8)0.0659 (19)0.511 (11)
H16A0.34720.4565−0.07630.079*0.511 (11)
C16B0.3388 (3)0.3456 (5)0.0561 (7)0.0501 (17)0.489 (11)
H16B0.33230.30310.14180.060*0.489 (11)
C170.27068 (18)0.3302 (3)−0.0483 (4)0.0771 (8)
C180.1848 (5)0.3678 (7)−0.2222 (6)0.190 (3)
H18A0.17000.2910−0.19870.228*
H18B0.19060.3710−0.32110.228*
C190.1297 (5)0.4479 (7)−0.1848 (8)0.212 (3)
H19A0.08390.4294−0.23290.317*
H19B0.14420.5236−0.20950.317*
H19C0.12400.4443−0.08690.317*
C200.54589 (14)0.4261 (2)0.2453 (3)0.0628 (7)
C210.56318 (14)0.5200 (2)0.3318 (3)0.0689 (7)
H21A0.53310.58310.34240.083*
C220.63359 (19)0.5044 (3)0.4008 (4)0.0956 (10)
H22A0.65560.55880.45950.115*
C230.66455 (19)0.4056 (3)0.3736 (5)0.1036 (12)
H23A0.70980.38280.41280.124*
C24−0.0321 (3)0.8260 (6)0.3341 (8)0.169 (3)
H24A−0.07670.85240.37130.254*
H24B−0.04080.80820.23790.254*
H24C0.00470.88440.34430.254*
S10.61390 (5)0.32512 (7)0.26068 (12)0.0945 (4)
O10.2523 (2)0.3953 (3)−0.1501 (3)0.1250 (10)
O20.23644 (17)0.2511 (2)−0.0137 (3)0.1130 (9)
O3−0.00726 (14)0.7259 (3)0.4069 (3)0.1238 (11)
O40.40154 (14)0.2313 (2)−0.1083 (2)0.0996 (8)
U11U22U33U12U13U23
C10.127 (3)0.076 (2)0.070 (2)−0.028 (2)−0.0062 (19)0.0070 (16)
C20.106 (3)0.110 (3)0.071 (2)−0.048 (2)0.0134 (18)−0.006 (2)
C30.0610 (16)0.109 (3)0.084 (2)−0.0190 (16)0.0062 (14)−0.015 (2)
C40.0597 (15)0.080 (2)0.0794 (18)0.0007 (13)−0.0029 (13)−0.0023 (15)
C50.0576 (13)0.0555 (15)0.0637 (14)−0.0041 (11)−0.0067 (11)−0.0018 (12)
C60.0832 (17)0.0517 (15)0.0614 (15)−0.0115 (13)−0.0138 (13)−0.0029 (12)
C70.104 (2)0.0579 (17)0.077 (2)0.0198 (16)−0.0339 (17)−0.0135 (15)
C80.0733 (17)0.079 (2)0.080 (2)0.0214 (15)−0.0240 (15)−0.0337 (17)
C90.0673 (16)0.085 (2)0.0781 (18)0.0060 (15)0.0041 (14)−0.0083 (16)
C100.0680 (16)0.0662 (18)0.0738 (17)0.0069 (13)0.0020 (13)0.0082 (14)
C11A0.067 (3)0.047 (4)0.056 (4)−0.003 (3)0.002 (3)0.006 (3)
C11B0.062 (3)0.037 (3)0.050 (3)0.001 (2)0.003 (2)0.005 (2)
C120.0691 (14)0.0452 (13)0.0620 (14)0.0002 (11)0.0051 (11)−0.0005 (11)
C130.0683 (14)0.0429 (13)0.0588 (14)0.0007 (10)0.0134 (11)0.0065 (11)
C140.0757 (16)0.0535 (15)0.0682 (16)0.0077 (12)0.0151 (13)−0.0001 (13)
C150.089 (2)0.0624 (17)0.0824 (19)0.0045 (15)0.0099 (15)−0.0215 (16)
C16A0.085 (4)0.052 (4)0.061 (4)−0.002 (3)0.003 (3)0.002 (3)
C16B0.068 (3)0.037 (3)0.045 (3)−0.002 (2)0.001 (2)0.001 (3)
C170.0830 (19)0.0625 (19)0.086 (2)−0.0068 (15)0.0024 (16)−0.0232 (17)
C180.266 (8)0.195 (6)0.103 (4)0.108 (6)−0.067 (5)−0.030 (4)
C190.222 (8)0.195 (7)0.209 (7)0.017 (7)−0.066 (6)−0.024 (6)
C200.0628 (14)0.0547 (15)0.0719 (16)0.0001 (11)0.0139 (12)0.0094 (13)
C210.0631 (14)0.0668 (17)0.0753 (17)0.0019 (12)−0.0092 (12)−0.0095 (14)
C220.084 (2)0.090 (2)0.110 (3)−0.0001 (19)−0.0164 (19)−0.011 (2)
C230.0742 (19)0.091 (3)0.144 (3)−0.0013 (18)−0.015 (2)0.014 (2)
C240.101 (3)0.190 (6)0.220 (6)0.053 (4)0.038 (4)−0.022 (5)
S10.0799 (5)0.0638 (5)0.1391 (9)0.0073 (4)−0.0014 (5)0.0047 (5)
O10.171 (3)0.105 (2)0.100 (2)0.004 (2)0.022 (2)0.0166 (17)
O20.140 (2)0.0862 (18)0.1104 (19)−0.0330 (17)−0.0168 (17)0.0061 (15)
O30.0724 (15)0.181 (3)0.120 (2)−0.0047 (18)0.0278 (15)−0.032 (2)
O40.1168 (18)0.0868 (16)0.0945 (16)0.0164 (13)−0.0023 (13)−0.0425 (14)
C1—C21.354 (5)C14—C151.436 (4)
C1—C61.406 (4)C14—H14A0.9300
C1—H1A0.9300C15—O41.217 (3)
C2—C31.396 (5)C15—C16B1.536 (6)
C2—H2A0.9300C15—C16A1.599 (7)
C3—C41.347 (4)C16A—C171.486 (7)
C3—O31.369 (4)C16A—H16A0.9800
C4—C51.413 (4)C16B—C171.571 (6)
C4—H4A0.9300C16B—H16B0.9800
C5—C101.408 (4)C17—O21.176 (4)
C5—C61.409 (4)C17—O11.277 (4)
C6—C71.403 (4)C18—O11.420 (7)
C7—C81.370 (5)C18—C191.437 (9)
C7—H7A0.9300C18—H18A0.9700
C8—C91.400 (5)C18—H18B0.9700
C8—C11A1.513 (7)C19—H19A0.9600
C8—C11B1.593 (6)C19—H19B0.9600
C9—C101.360 (4)C19—H19C0.9600
C9—H9A0.9300C20—C211.409 (4)
C10—H10A0.9300C20—S11.715 (3)
C11A—C16A1.520 (8)C21—C221.428 (4)
C11A—C121.586 (7)C21—H21A0.9300
C11A—H11A0.9800C22—C231.321 (5)
C11B—C121.455 (6)C22—H22A0.9300
C11B—C16B1.549 (7)C23—S11.683 (4)
C11B—H11B0.9800C23—H23A0.9300
C12—C131.505 (3)C24—O31.429 (7)
C12—H12A0.9700C24—H24A0.9600
C12—H12B0.9700C24—H24B0.9600
C13—C141.343 (4)C24—H24C0.9600
C13—C201.453 (4)
C2—C1—C6121.1 (3)C13—C14—H14A118.4
C2—C1—H1A119.5C15—C14—H14A118.4
C6—C1—H1A119.5O4—C15—C14123.0 (3)
C1—C2—C3121.1 (3)O4—C15—C16B122.3 (3)
C1—C2—H2A119.4C14—C15—C16B112.3 (3)
C3—C2—H2A119.4O4—C15—C16A116.1 (3)
C4—C3—O3126.1 (4)C14—C15—C16A118.6 (3)
C4—C3—C2119.5 (3)C16B—C15—C16A32.2 (2)
O3—C3—C2114.4 (3)C17—C16A—C11A107.4 (5)
C3—C4—C5121.0 (3)C17—C16A—C15108.1 (4)
C3—C4—H4A119.5C11A—C16A—C15105.3 (5)
C5—C4—H4A119.5C17—C16A—H16A111.9
C10—C5—C6117.9 (2)C11A—C16A—H16A111.9
C10—C5—C4122.6 (3)C15—C16A—H16A111.9
C6—C5—C4119.5 (3)C15—C16B—C11B105.6 (4)
C7—C6—C1122.8 (3)C15—C16B—C17107.0 (4)
C7—C6—C5119.4 (3)C11B—C16B—C17111.0 (4)
C1—C6—C5117.8 (3)C15—C16B—H16B111.0
C8—C7—C6121.8 (3)C11B—C16B—H16B111.0
C8—C7—H7A119.1C17—C16B—H16B111.0
C6—C7—H7A119.1O2—C17—O1124.7 (3)
C7—C8—C9118.3 (3)O2—C17—C16A141.4 (5)
C7—C8—C11A105.5 (5)O1—C17—C16A93.9 (5)
C9—C8—C11A136.0 (5)O2—C17—C16B108.7 (4)
C7—C8—C11B132.8 (4)O1—C17—C16B126.5 (4)
C9—C8—C11B108.8 (4)C16A—C17—C16B32.9 (3)
C11A—C8—C11B28.1 (2)O1—C18—C19109.2 (5)
C10—C9—C8121.3 (3)O1—C18—H18A109.8
C10—C9—H9A119.3C19—C18—H18A109.8
C8—C9—H9A119.3O1—C18—H18B109.8
C9—C10—C5121.2 (3)C19—C18—H18B109.8
C9—C10—H10A119.4H18A—C18—H18B108.3
C5—C10—H10A119.4C18—C19—H19A109.5
C8—C11A—C16A108.9 (5)C18—C19—H19B109.5
C8—C11A—C12108.2 (5)H19A—C19—H19B109.5
C16A—C11A—C12110.9 (5)C18—C19—H19C109.5
C8—C11A—H11A109.6H19A—C19—H19C109.5
C16A—C11A—H11A109.6H19B—C19—H19C109.5
C12—C11A—H11A109.6C21—C20—C13127.4 (2)
C12—C11B—C16B109.2 (4)C21—C20—S1110.4 (2)
C12—C11B—C8110.9 (4)C13—C20—S1122.1 (2)
C16B—C11B—C8105.4 (5)C20—C21—C22110.3 (3)
C12—C11B—H11B110.4C20—C21—H21A124.9
C16B—C11B—H11B110.4C22—C21—H21A124.9
C8—C11B—H11B110.4C23—C22—C21113.7 (3)
C11B—C12—C13114.0 (3)C23—C22—H22A123.2
C11B—C12—C11A28.5 (2)C21—C22—H22A123.2
C13—C12—C11A113.0 (3)C22—C23—S1113.3 (3)
C11B—C12—H12A82.6C22—C23—H23A123.4
C13—C12—H12A109.0S1—C23—H23A123.4
C11A—C12—H12A109.0O3—C24—H24A109.5
C11B—C12—H12B129.3O3—C24—H24B109.5
C13—C12—H12B109.0H24A—C24—H24B109.5
C11A—C12—H12B109.0O3—C24—H24C109.5
H12A—C12—H12B107.8H24A—C24—H24C109.5
C14—C13—C20122.8 (2)H24B—C24—H24C109.5
C14—C13—C12120.8 (2)C23—S1—C2092.28 (17)
C20—C13—C12116.4 (2)C17—O1—C18115.4 (4)
C13—C14—C15123.2 (3)C3—O3—C24116.9 (3)
C6—C1—C2—C30.1 (5)C13—C14—C15—C16B−18.7 (5)
C1—C2—C3—C4−0.1 (5)C13—C14—C15—C16A16.4 (6)
C1—C2—C3—O3−180.0 (3)C8—C11A—C16A—C17−68.1 (6)
O3—C3—C4—C5179.3 (3)C12—C11A—C16A—C17172.9 (6)
C2—C3—C4—C5−0.5 (5)C8—C11A—C16A—C15176.9 (6)
C3—C4—C5—C10−180.0 (3)C12—C11A—C16A—C1557.9 (6)
C3—C4—C5—C61.1 (4)O4—C15—C16A—C1739.2 (7)
C2—C1—C6—C7−179.8 (3)C14—C15—C16A—C17−157.4 (4)
C2—C1—C6—C50.5 (4)C16B—C15—C16A—C17−70.5 (7)
C10—C5—C6—C70.3 (4)O4—C15—C16A—C11A153.7 (4)
C4—C5—C6—C7179.2 (2)C14—C15—C16A—C11A−42.9 (6)
C10—C5—C6—C1179.9 (3)C16B—C15—C16A—C11A44.1 (5)
C4—C5—C6—C1−1.1 (4)O4—C15—C16B—C11B−144.5 (4)
C1—C6—C7—C8179.9 (3)C14—C15—C16B—C11B52.6 (5)
C5—C6—C7—C8−0.4 (4)C16A—C15—C16B—C11B−55.9 (5)
C6—C7—C8—C90.7 (4)O4—C15—C16B—C17−26.2 (7)
C6—C7—C8—C11A−175.6 (3)C14—C15—C16B—C17170.9 (3)
C6—C7—C8—C11B176.6 (3)C16A—C15—C16B—C1762.4 (6)
C7—C8—C9—C10−0.7 (4)C12—C11B—C16B—C15−66.7 (5)
C11A—C8—C9—C10174.1 (4)C8—C11B—C16B—C15174.1 (5)
C11B—C8—C9—C10−177.6 (3)C12—C11B—C16B—C17177.7 (5)
C8—C9—C10—C50.6 (5)C8—C11B—C16B—C1758.5 (5)
C6—C5—C10—C9−0.4 (4)C11A—C16A—C17—O2−58.3 (7)
C4—C5—C10—C9−179.3 (3)C15—C16A—C17—O254.8 (8)
C7—C8—C11A—C16A132.9 (5)C11A—C16A—C17—O1123.3 (5)
C9—C8—C11A—C16A−42.3 (8)C15—C16A—C17—O1−123.5 (5)
C11B—C8—C11A—C16A−59.2 (7)C11A—C16A—C17—C16B−48.7 (5)
C7—C8—C11A—C12−106.5 (5)C15—C16A—C17—C16B64.4 (6)
C9—C8—C11A—C1278.3 (6)C15—C16B—C17—O2104.7 (5)
C11B—C8—C11A—C1261.4 (7)C11B—C16B—C17—O2−140.6 (4)
C7—C8—C11B—C12−60.7 (7)C15—C16B—C17—O1−78.9 (5)
C9—C8—C11B—C12115.5 (5)C11B—C16B—C17—O135.9 (6)
C11A—C8—C11B—C12−76.8 (8)C15—C16B—C17—C16A−69.0 (6)
C7—C8—C11B—C16B57.3 (5)C11B—C16B—C17—C16A45.8 (5)
C9—C8—C11B—C16B−126.5 (4)C14—C13—C20—C21166.3 (3)
C11A—C8—C11B—C16B41.2 (6)C12—C13—C20—C21−15.2 (4)
C16B—C11B—C12—C1345.4 (6)C14—C13—C20—S1−17.2 (3)
C8—C11B—C12—C13161.1 (4)C12—C13—C20—S1161.28 (18)
C16B—C11B—C12—C11A−49.0 (6)C13—C20—C21—C22179.4 (3)
C8—C11B—C12—C11A66.7 (8)S1—C20—C21—C222.6 (3)
C8—C11A—C12—C11B−71.9 (8)C20—C21—C22—C23−2.8 (5)
C16A—C11A—C12—C11B47.5 (6)C21—C22—C23—S11.7 (5)
C8—C11A—C12—C13−170.2 (4)C22—C23—S1—C20−0.1 (3)
C16A—C11A—C12—C13−50.8 (6)C21—C20—S1—C23−1.5 (2)
C11B—C12—C13—C14−9.4 (5)C13—C20—S1—C23−178.5 (2)
C11A—C12—C13—C1421.7 (5)O2—C17—O1—C180.9 (6)
C11B—C12—C13—C20172.1 (4)C16A—C17—O1—C18179.6 (4)
C11A—C12—C13—C20−156.9 (4)C16B—C17—O1—C18−175.0 (4)
C20—C13—C14—C15173.4 (3)C19—C18—O1—C17104.5 (7)
C12—C13—C14—C15−5.0 (4)C4—C3—O3—C24−2.5 (6)
C13—C14—C15—O4178.6 (3)C2—C3—O3—C24177.4 (4)
  4 in total

1.  Synthesis (and alternative proof of configuration) of the scyphostatin C(1')-C(20') trienoyl fragment.

Authors:  T R Hoye; M A Tennakoon
Journal:  Org Lett       Date:  2000-05-18       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.  Ethyl 4-(3-bromo-2-thien-yl)-2-oxo-6-phenyl-cyclo-hex-3-ene-1-carboxyl-ate.

Authors:  Andreas Fischer; H S Yathirajan; B V Ashalatha; B Narayana; B K Sarojini
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2008-02-06

4.  rac-Ethyl 3-(3-bromo-2-thien-yl)-2-oxo-6-(4-propoxyphen-yl)cyclo-hex-3-ene-1-carboxyl-ate.

Authors:  Andreas Fischer; M T Swamy; B Narayana; H S Yathirajan
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2008-10-22
  4 in total
  4 in total

1.  Ethyl 4-(2,4-dichloro-phen-yl)-6-(6-meth-oxy-2-naphth-yl)-2-oxocyclo-hex-3-ene-1-carboxyl-ate.

Authors:  William T A Harrison; A N Mayekar; H S Yathirajan; B Narayana; B K Sarojini
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2010-09-04

2.  Methyl 4,6-bis-(4-fluoro-phen-yl)-2-oxo-cyclo-hex-3-ene-1-carboxyl-ate.

Authors:  Hoong-Kun Fun; Madhukar Hemamalini; S Samshuddin; B Narayana; H S Yathirajan
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2010-03-17

3.  (2E)-1-(2,5-Dichloro-3-thien-yl)-3-(6-meth-oxy-2-naphth-yl)prop-2-en-1-one.

Authors:  Jerry P Jasinski; Albert E Pek; C S Chidan Kumar; H S Yathirajan; A N Mayekar
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2010-06-18

4.  (6Z)-3,5-Bis(4-fluoro-phen-yl)-6-(1-hy-droxy-ethyl-idene)cyclo-hex-2-en-1-one.

Authors:  Jerry P Jasinski; James A Golen; S Samshuddin; B Narayana; H S Yathirajan
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2012-02-10
  4 in total

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