Literature DB >> 21589548

7-Phenyl-sulfonyl-2,3-dihydro-7H-1,4-benzodioxino[6,7-b]carbazole.

J Kanchanadevi, V Dhayalan, A K Mohanakrishnan, G Anbalagan, G Chakkaravarthi, V Manivannan.   

Abstract

In the title compound, C(24)H(17)NO(4)S, the phenyl ring makes a dihedral angle of 88.12 (5)° with the carbazole unit. The mol-ecular structure is stabilized by weak intra-molecular C-H⋯O inter-actions and the crystal packing exhibits weak inter-molecular C-H⋯O and C-H⋯π inter-actions. Two C atoms of the 2,3-dihydro-1,4-dioxine fragment are disordered over two positions with site-occupancy factors of 0.718 (11) and 0.282 (11).

Entities:  

Year:  2010        PMID: 21589548      PMCID: PMC3011594          DOI: 10.1107/S1600536810047343

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


Related literature

For the biological activity of carbazole derivatives, see: Ramsewak et al. (1999 ▶); Tachibana et al. (2001 ▶). For the structures of closely related compounds, see: Chakkaravarthi et al. (2008 ▶).

Experimental

Crystal data

C24H17NO4S M = 415.45 Orthorhombic, a = 13.189 (5) Å b = 16.363 (6) Å c = 18.039 (5) Å V = 3893 (2) Å3 Z = 8 Mo Kα radiation μ = 0.20 mm−1 T = 295 K 0.26 × 0.22 × 0.20 mm

Data collection

Bruker Kappa APEXII diffractometer Absorption correction: multi-scan (SADABS; Sheldrick, 1996 ▶) T min = 0.950, T max = 0.961 19551 measured reflections 4813 independent reflections 3469 reflections with I > 2σ(I) R int = 0.032

Refinement

R[F 2 > 2σ(F 2)] = 0.041 wR(F 2) = 0.124 S = 1.03 4813 reflections 290 parameters 1 restraint H-atom parameters constrained Δρmax = 0.28 e Å−3 Δρmin = −0.37 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: PLATON (Spek, 2009 ▶); software used to prepare material for publication: SHELXL97. Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536810047343/gk2320sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536810047343/gk2320Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C24H17NO4SF(000) = 1728
Mr = 415.45Dx = 1.418 Mg m3
Orthorhombic, PbcaMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ac 2abCell parameters from 5557 reflections
a = 13.189 (5) Åθ = 2.3–27.8°
b = 16.363 (6) ŵ = 0.20 mm1
c = 18.039 (5) ÅT = 295 K
V = 3893 (2) Å3Block, colourless
Z = 80.26 × 0.22 × 0.20 mm
Bruker Kappa APEXII diffractometer4813 independent reflections
Radiation source: fine-focus sealed tube3469 reflections with I > 2σ(I)
graphiteRint = 0.032
ω and φ scansθmax = 28.3°, θmin = 2.3°
Absorption correction: multi-scan (SADABS; Sheldrick, 1996)h = −17→17
Tmin = 0.950, Tmax = 0.961k = −16→21
19551 measured reflectionsl = −23→17
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) = 0.124H-atom parameters constrained
S = 1.03w = 1/[σ2(Fo2) + (0.0637P)2 + 0.6676P] where P = (Fo2 + 2Fc2)/3
4813 reflections(Δ/σ)max < 0.001
290 parametersΔρmax = 0.28 e Å3
1 restraintΔρmin = −0.36 e Å3
xyzUiso*/UeqOcc. (<1)
S10.75886 (3)0.20738 (3)0.50676 (2)0.04410 (14)
O10.68946 (12)0.14774 (9)0.48039 (8)0.0645 (4)
O20.86322 (10)0.20175 (9)0.48726 (7)0.0609 (4)
O31.18355 (9)0.45554 (8)0.71672 (8)0.0547 (3)
O41.10235 (10)0.45229 (9)0.86231 (7)0.0614 (4)
N10.75360 (10)0.20284 (8)0.59811 (8)0.0412 (3)
C10.71502 (13)0.30481 (11)0.48204 (9)0.0429 (4)
C20.61251 (14)0.32135 (13)0.48674 (10)0.0541 (5)
H20.56770.28190.50410.065*
C30.57779 (19)0.39686 (16)0.46545 (12)0.0728 (6)
H30.50890.40870.46780.087*
C40.6445 (3)0.45467 (16)0.44081 (14)0.0850 (7)
H40.62050.50570.42660.102*
C50.7463 (2)0.43862 (16)0.43669 (15)0.0840 (8)
H50.79080.47880.42000.101*
C60.78291 (17)0.36299 (14)0.45719 (12)0.0636 (6)
H60.85180.35140.45440.076*
C70.81876 (11)0.24936 (10)0.64551 (8)0.0348 (3)
C80.90603 (11)0.29052 (10)0.62968 (8)0.0379 (3)
H80.93200.29140.58180.046*
C90.95611 (11)0.33194 (9)0.68816 (8)0.0343 (3)
C101.04706 (12)0.37570 (10)0.67599 (9)0.0397 (4)
H101.07420.37800.62840.048*
C111.09563 (11)0.41443 (10)0.73221 (9)0.0396 (4)
C121.2233 (3)0.5044 (3)0.7720 (3)0.0511 (10)0.718 (11)
H12A1.19010.55730.77100.061*0.718 (11)
H12B1.29500.51280.76310.061*0.718 (11)
C12A1.2432 (9)0.4744 (9)0.7890 (7)0.054 (3)0.282 (11)
H12C1.27650.42490.80570.064*0.282 (11)
H12D1.29560.51430.77800.064*0.282 (11)
C131.2089 (3)0.4664 (3)0.8461 (2)0.0523 (11)0.718 (11)
H13A1.24500.41470.84780.063*0.718 (11)
H13B1.23750.50180.88380.063*0.718 (11)
C13A1.1788 (7)0.5065 (9)0.8505 (5)0.054 (3)0.282 (11)
H13C1.21890.51280.89510.065*0.282 (11)
H13D1.15120.55950.83710.065*0.282 (11)
C141.05574 (12)0.41171 (10)0.80512 (9)0.0424 (4)
C150.96920 (13)0.36957 (10)0.81897 (9)0.0428 (4)
H150.94420.36740.86710.051*
C160.91622 (11)0.32886 (10)0.76166 (8)0.0355 (3)
C170.82565 (11)0.28589 (10)0.77520 (9)0.0385 (3)
H170.79890.28370.82290.046*
C180.77697 (11)0.24729 (9)0.71804 (8)0.0345 (3)
C190.68351 (11)0.20045 (9)0.71441 (9)0.0369 (3)
C200.61522 (12)0.17749 (11)0.76943 (10)0.0456 (4)
H200.62490.19380.81830.055*
C210.53295 (14)0.13020 (12)0.75009 (12)0.0569 (5)
H210.48690.11390.78620.068*
C220.51865 (14)0.10687 (13)0.67716 (13)0.0599 (5)
H220.46190.07590.66500.072*
C230.58604 (14)0.12802 (12)0.62164 (11)0.0540 (5)
H230.57630.11120.57290.065*
C240.66883 (12)0.17543 (10)0.64165 (9)0.0406 (4)
U11U22U33U12U13U23
S10.0514 (2)0.0484 (3)0.0325 (2)0.00302 (18)−0.00712 (17)−0.00640 (17)
O10.0849 (10)0.0577 (9)0.0509 (8)−0.0113 (7)−0.0220 (7)−0.0092 (7)
O20.0564 (8)0.0862 (11)0.0400 (7)0.0196 (7)0.0003 (6)−0.0129 (7)
O30.0468 (6)0.0591 (8)0.0582 (8)−0.0183 (6)0.0014 (6)0.0065 (6)
O40.0638 (8)0.0722 (9)0.0484 (8)−0.0254 (7)−0.0039 (6)−0.0135 (7)
N10.0462 (7)0.0441 (8)0.0334 (7)−0.0060 (6)−0.0073 (5)0.0000 (6)
C10.0489 (9)0.0498 (10)0.0300 (8)0.0005 (8)−0.0015 (7)0.0029 (7)
C20.0510 (10)0.0658 (12)0.0456 (10)0.0058 (9)0.0012 (8)0.0040 (9)
C30.0784 (14)0.0827 (16)0.0572 (13)0.0317 (11)0.0006 (11)0.0054 (11)
C40.129 (2)0.0613 (15)0.0647 (15)0.0263 (12)0.0033 (14)0.0147 (11)
C50.113 (2)0.0669 (16)0.0722 (17)−0.0160 (15)0.0085 (14)0.0251 (13)
C60.0626 (11)0.0692 (14)0.0588 (13)−0.0094 (10)0.0055 (10)0.0160 (10)
C70.0390 (7)0.0341 (8)0.0313 (8)0.0031 (6)−0.0038 (6)−0.0002 (6)
C80.0414 (8)0.0449 (9)0.0275 (7)−0.0010 (7)0.0033 (6)0.0006 (7)
C90.0365 (7)0.0359 (8)0.0304 (8)0.0018 (6)0.0033 (6)0.0012 (6)
C100.0427 (8)0.0435 (9)0.0329 (8)−0.0023 (7)0.0065 (6)0.0039 (7)
C110.0379 (7)0.0352 (8)0.0456 (9)−0.0025 (6)0.0013 (6)0.0051 (7)
C120.0400 (17)0.047 (2)0.066 (3)−0.0101 (15)−0.0075 (15)−0.0009 (18)
C12A0.053 (5)0.051 (6)0.057 (6)−0.002 (4)−0.019 (4)−0.005 (5)
C130.0498 (17)0.049 (2)0.058 (2)−0.0055 (16)−0.0143 (15)−0.0046 (17)
C13A0.045 (4)0.048 (6)0.070 (5)−0.003 (4)−0.010 (3)−0.007 (4)
C140.0490 (9)0.0400 (9)0.0383 (9)−0.0039 (7)−0.0035 (7)−0.0036 (7)
C150.0494 (9)0.0476 (10)0.0314 (8)−0.0075 (7)0.0058 (7)−0.0049 (7)
C160.0389 (7)0.0356 (8)0.0321 (8)0.0010 (6)0.0040 (6)−0.0014 (6)
C170.0427 (8)0.0420 (9)0.0308 (8)−0.0030 (7)0.0075 (6)−0.0014 (7)
C180.0359 (7)0.0311 (8)0.0364 (8)0.0017 (6)0.0027 (6)0.0013 (6)
C190.0357 (7)0.0312 (8)0.0438 (9)0.0023 (6)−0.0007 (6)0.0037 (7)
C200.0417 (8)0.0439 (9)0.0513 (10)−0.0004 (7)0.0059 (7)0.0032 (8)
C210.0424 (9)0.0562 (12)0.0721 (13)−0.0059 (8)0.0055 (9)0.0094 (10)
C220.0437 (9)0.0555 (12)0.0805 (15)−0.0141 (8)−0.0105 (9)0.0095 (10)
C230.0534 (10)0.0525 (11)0.0561 (11)−0.0090 (8)−0.0173 (9)0.0040 (9)
C240.0407 (8)0.0345 (8)0.0466 (10)0.0011 (7)−0.0075 (7)0.0063 (7)
S1—O11.4201 (14)C10—H100.9300
S1—O21.4237 (15)C11—C141.417 (2)
S1—N11.6509 (15)C12—C131.486 (7)
S1—C11.7535 (19)C12—H12A0.9700
O3—C111.3695 (19)C12—H12B0.9700
O3—C121.381 (4)C12A—C13A1.492 (19)
O3—C12A1.555 (11)C12A—H12C0.9700
O4—C13A1.360 (8)C12A—H12D0.9700
O4—C141.372 (2)C13—H13A0.9700
O4—C131.454 (4)C13—H13B0.9700
N1—C71.4315 (19)C13A—H13C0.9700
N1—C241.438 (2)C13A—H13D0.9700
C1—C21.381 (2)C14—C151.357 (2)
C1—C61.382 (3)C15—C161.414 (2)
C2—C31.373 (3)C15—H150.9300
C2—H20.9300C16—C171.407 (2)
C3—C41.367 (4)C17—C181.369 (2)
C3—H30.9300C17—H170.9300
C4—C51.370 (4)C18—C191.453 (2)
C4—H40.9300C19—C241.388 (2)
C5—C61.379 (3)C19—C201.392 (2)
C5—H50.9300C20—C211.378 (3)
C6—H60.9300C20—H200.9300
C7—C81.364 (2)C21—C221.383 (3)
C7—C181.420 (2)C21—H210.9300
C8—C91.417 (2)C22—C231.383 (3)
C8—H80.9300C22—H220.9300
C9—C101.414 (2)C23—C241.387 (2)
C9—C161.427 (2)C23—H230.9300
C10—C111.357 (2)
O1—S1—O2119.73 (9)C13A—C12A—O3113.9 (9)
O1—S1—N1106.04 (8)C13A—C12A—H12C108.8
O2—S1—N1106.52 (7)O3—C12A—H12C108.8
O1—S1—C1109.09 (9)C13A—C12A—H12D108.8
O2—S1—C1108.35 (9)O3—C12A—H12D108.8
N1—S1—C1106.32 (8)H12C—C12A—H12D107.7
C11—O3—C12117.3 (2)O4—C13—C12111.7 (4)
C11—O3—C12A110.8 (5)O4—C13—H13A109.3
C13A—O4—C14122.0 (4)C12—C13—H13A109.3
C14—O4—C13111.0 (2)O4—C13—H13B109.3
C7—N1—C24107.84 (13)C12—C13—H13B109.3
C7—N1—S1123.16 (11)H13A—C13—H13B107.9
C24—N1—S1126.29 (11)O4—C13A—C12A108.0 (10)
C2—C1—C6121.28 (19)O4—C13A—H13C110.1
C2—C1—S1119.03 (15)C12A—C13A—H13C110.1
C6—C1—S1119.69 (15)O4—C13A—H13D110.1
C3—C2—C1119.1 (2)C12A—C13A—H13D110.1
C3—C2—H2120.5H13C—C13A—H13D108.4
C1—C2—H2120.5C15—C14—O4118.97 (15)
C4—C3—C2119.9 (2)C15—C14—C11119.94 (15)
C4—C3—H3120.0O4—C14—C11121.08 (15)
C2—C3—H3120.0C14—C15—C16121.36 (15)
C3—C4—C5121.1 (2)C14—C15—H15119.3
C3—C4—H4119.5C16—C15—H15119.3
C5—C4—H4119.5C17—C16—C15121.85 (14)
C4—C5—C6120.0 (2)C17—C16—C9119.45 (14)
C4—C5—H5120.0C15—C16—C9118.70 (14)
C6—C5—H5120.0C18—C17—C16119.86 (14)
C5—C6—C1118.6 (2)C18—C17—H17120.1
C5—C6—H6120.7C16—C17—H17120.1
C1—C6—H6120.7C17—C18—C7120.05 (14)
C8—C7—C18122.16 (14)C17—C18—C19132.47 (14)
C8—C7—N1130.11 (14)C7—C18—C19107.48 (13)
C18—C7—N1107.73 (13)C24—C19—C20120.28 (15)
C7—C8—C9118.27 (14)C24—C19—C18108.45 (14)
C7—C8—H8120.9C20—C19—C18131.24 (15)
C9—C8—H8120.9C21—C20—C19118.73 (18)
C10—C9—C8121.46 (14)C21—C20—H20120.6
C10—C9—C16118.34 (14)C19—C20—H20120.6
C8—C9—C16120.18 (14)C20—C21—C22120.22 (18)
C11—C10—C9121.40 (15)C20—C21—H21119.9
C11—C10—H10119.3C22—C21—H21119.9
C9—C10—H10119.3C21—C22—C23122.16 (17)
C10—C11—O3118.47 (15)C21—C22—H22118.9
C10—C11—C14120.25 (14)C23—C22—H22118.9
O3—C11—C14121.27 (15)C22—C23—C24117.21 (18)
O3—C12—C13111.0 (4)C22—C23—H23121.4
O3—C12—H12A109.4C24—C23—H23121.4
C13—C12—H12A109.4C23—C24—C19121.38 (16)
O3—C12—H12B109.4C23—C24—N1130.11 (16)
C13—C12—H12B109.4C19—C24—N1108.42 (13)
H12A—C12—H12B108.0
O1—S1—N1—C7174.92 (13)O3—C12A—C13A—O455.0 (17)
O2—S1—N1—C746.36 (15)C13A—O4—C14—C15−168.7 (8)
C1—S1—N1—C7−69.05 (14)C13—O4—C14—C15158.0 (3)
O1—S1—N1—C24−26.04 (16)C13A—O4—C14—C1110.2 (8)
O2—S1—N1—C24−154.61 (14)C13—O4—C14—C11−23.1 (3)
C1—S1—N1—C2489.99 (15)C10—C11—C14—C150.6 (3)
O1—S1—C1—C239.85 (17)O3—C11—C14—C15−179.12 (16)
O2—S1—C1—C2171.74 (14)C10—C11—C14—O4−178.27 (16)
N1—S1—C1—C2−74.10 (15)O3—C11—C14—O42.0 (3)
O1—S1—C1—C6−139.10 (16)O4—C14—C15—C16177.91 (16)
O2—S1—C1—C6−7.21 (17)C11—C14—C15—C16−1.0 (3)
N1—S1—C1—C6106.94 (16)C14—C15—C16—C17−179.13 (16)
C6—C1—C2—C30.7 (3)C14—C15—C16—C90.7 (2)
S1—C1—C2—C3−178.21 (16)C10—C9—C16—C17179.83 (15)
C1—C2—C3—C4−0.7 (3)C8—C9—C16—C17−1.4 (2)
C2—C3—C4—C50.2 (4)C10—C9—C16—C150.0 (2)
C3—C4—C5—C60.4 (4)C8—C9—C16—C15178.78 (15)
C4—C5—C6—C1−0.3 (4)C15—C16—C17—C18−179.92 (15)
C2—C1—C6—C5−0.2 (3)C9—C16—C17—C180.3 (2)
S1—C1—C6—C5178.73 (18)C16—C17—C18—C71.1 (2)
C24—N1—C7—C8−177.15 (16)C16—C17—C18—C19−178.74 (16)
S1—N1—C7—C8−14.8 (2)C8—C7—C18—C17−1.5 (2)
C24—N1—C7—C182.68 (17)N1—C7—C18—C17178.69 (14)
S1—N1—C7—C18165.04 (11)C8—C7—C18—C19178.43 (14)
C18—C7—C8—C90.3 (2)N1—C7—C18—C19−1.41 (16)
N1—C7—C8—C9−179.87 (15)C17—C18—C19—C24179.46 (17)
C7—C8—C9—C10179.83 (15)C7—C18—C19—C24−0.42 (17)
C7—C8—C9—C161.1 (2)C17—C18—C19—C20−2.7 (3)
C8—C9—C10—C11−179.13 (15)C7—C18—C19—C20177.44 (16)
C16—C9—C10—C11−0.4 (2)C24—C19—C20—C21−0.4 (2)
C9—C10—C11—O3179.82 (14)C18—C19—C20—C21−178.10 (16)
C9—C10—C11—C140.1 (2)C19—C20—C21—C22−0.5 (3)
C12—O3—C11—C10170.5 (3)C20—C21—C22—C231.4 (3)
C12A—O3—C11—C10−164.0 (6)C21—C22—C23—C24−1.1 (3)
C12—O3—C11—C14−9.7 (3)C22—C23—C24—C190.1 (3)
C12A—O3—C11—C1415.8 (6)C22—C23—C24—N1176.05 (17)
C11—O3—C12—C1337.2 (6)C20—C19—C24—C230.7 (2)
C12A—O3—C12—C13−42.9 (14)C18—C19—C24—C23178.81 (15)
C11—O3—C12A—C13A−44.9 (14)C20—C19—C24—N1−176.06 (14)
C12—O3—C12A—C13A65.6 (16)C18—C19—C24—N12.09 (17)
C13A—O4—C13—C12−66.6 (9)C7—N1—C24—C23−179.30 (17)
C14—O4—C13—C1250.7 (5)S1—N1—C24—C2319.0 (3)
O3—C12—C13—O4−59.1 (7)C7—N1—C24—C19−2.97 (17)
C14—O4—C13A—C12A−37.8 (15)S1—N1—C24—C19−164.63 (12)
C13—O4—C13A—C12A40.2 (10)
Cg1, Cg4, Cg5 and Cg7 are the centroids of the N1/C7/C18/C19/C24, C1–C6, C7–C9/C16–C18 and C19–C24 rings, respectively.
D—H···AD—HH···AD···AD—H···A
C6—H6···O20.932.522.894 (3)104
C8—H8···O20.932.423.005 (2)120
C23—H23···O10.932.322.908 (3)121
C10—H10···O1i0.932.523.411 (2)161
C12—H12A···Cg1ii0.972.983.670 (5)129
C12—H12B···Cg7ii0.972.783.411 (5)124
C13—H13A···Cg5iii0.972.773.680 (5)157
C20—H20···Cg4iv0.932.943.689 (2)138
C12A—H12C···Cg5iii0.972.533.446 (14)158
C12A—H12D···Cg7ii0.972.693.585 (14)153
C13A—H13D···Cg1ii0.972.923.585 (14)127
Table 1

Hydrogen-bond geometry (Å, °)

Cg1, Cg4, Cg5 and Cg7 are the centroids of the N1/C7/C18/C19/C24, C1–C6, C7–C9/C16–C18 and C19–C24 rings, respectively.

D—H⋯AD—HH⋯ADAD—H⋯A
C8—H8⋯O20.932.423.005 (2)120
C23—H23⋯O10.932.322.908 (3)121
C10—H10⋯O1i0.932.523.411 (2)161
C12—H12ACg1ii0.972.983.670 (5)129
C12—H12BCg7ii0.972.783.411 (5)124
C13—H13ACg5iii0.972.773.680 (5)157
C20—H20⋯Cg4iv0.932.943.689 (2)138
C12A—H12CCg5iii0.972.533.446 (14)158
C12A—H12DCg7ii0.972.693.585 (14)153
C13A—H13DCg1ii0.972.923.585 (14)127

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) .

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1.  A short history of SHELX.

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

2.  Antioxidative activity of carbazoles from Murraya koenigii leaves.

Authors:  Y Tachibana; H Kikuzaki; N H Lajis; N Nakatani
Journal:  J Agric Food Chem       Date:  2001-11       Impact factor: 5.279

3.  Biologically active carbazole alkaloids from Murraya koenigii.

Authors:  R S Ramsewak; M G Nair; G M Strasburg; D L DeWitt; J L Nitiss
Journal:  J Agric Food Chem       Date:  1999-02       Impact factor: 5.279

4.  7,9-Dimethyl-5-phenyl-sulfonyl-5H-benzo[b]carbazole.

Authors:  G Chakkaravarthi; V Dhayalan; A K Mohanakrishnan; V Manivannan
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2008-08-06

5.  9-Meth-oxy-5-phenyl-sulfonyl-5H-benzo[b]carbazole.

Authors:  G Chakkaravarthi; V Dhayalan; A K Mohanakrishnan; V Manivannan
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2008-08-06

6.  Structure validation in chemical crystallography.

Authors:  Anthony L Spek
Journal:  Acta Crystallogr D Biol Crystallogr       Date:  2009-01-20
  6 in total
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1.  5,6-Dihydro-2H-1,3-dithiolo[4,5-b][1,4]dioxine-2-thione.

Authors:  Guan-Nan Wang; Xun-Wen Xiao; Tongjiang Cai; Qin Huang
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2011-05-14

2.  2-Methyl-sulfanyl-5,6-dihydro-2H-1,3-dithiolo[4,5-b][1,4]dioxin-2-ium tetra-fluoro-borate.

Authors:  Guoquan Zhou; Xinzhi Chen
Journal:  Acta Crystallogr Sect E Struct Rep Online       Date:  2012-03-03
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