Startseite The crystal structure of 2-(3,6-di-tert-butyl-1,8-diiodo-9H-carbazol-9-yl)acetonitrile, C22H24I2N2
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The crystal structure of 2-(3,6-di-tert-butyl-1,8-diiodo-9H-carbazol-9-yl)acetonitrile, C22H24I2N2

  • Lin-Li Tang und Fei Zeng ORCID logo EMAIL logo
Veröffentlicht/Copyright: 15. April 2022

Abstract

C22H24I2N2, orthorhombic, Pbca (no. 33), a = 21.069(4) Å, b = 8.7963(17) Å, c = 23.757(5) Å, V = 4402.8(15) Å3, Z = 8, R gt (F) = 0.0530, wR ref (F2) = 0.1569, T = 296(2) K.

CCDC no.: 2153325

The molecular structure is shown in the figure. Table 1 contains crystallographic data and Table 2 contains the list of the atoms including atomic coordinates and displacement parameters.

Table 1:

Data collection and handling.

Crystal: Brown block
Size: 0.38 × 0.32 × 0.16 mm
Wavelength: Mo Kα radiation (0.71073 Å)
μ: 2.87 mm−1
Diffractometer, scan mode: Bruker APEX-II, φ and ω
θmax, completeness: 27.4°, >99%
N(hkl)measured, N(hkl)unique, Rint: 47,153, 9974, 0.029
Criterion for Iobs, N(hkl)gt: Iobs > 2 σ(Iobs), 7966
N(param)refined: 463
Programs: Bruker [1], SHELX [2]
Table 2:

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).

Atom x y z Uiso*/Ueq
C1 0.2988 (5) 1.1112 (12) 0.7439 (5) 0.049 (2)
C2 0.2633 (5) 1.0092 (12) 0.7744 (4) 0.049 (2)
H2 0.260475 1.021876 0.813220 0.059*
C3 0.2311 (5) 0.8869 (11) 0.7495 (4) 0.045 (2)
C4 0.2383 (5) 0.8681 (11) 0.6921 (5) 0.048 (2)
H4 0.218779 0.786719 0.674079 0.058*
C5 0.2749 (5) 0.9706 (10) 0.6608 (4) 0.043 (2)
C6 0.3049 (4) 1.0954 (10) 0.6865 (4) 0.043 (2)
C7 0.1918 (6) 0.7711 (12) 0.7837 (5) 0.058 (3)
C8 0.2316 (8) 0.6221 (18) 0.7847 (8) 0.102 (5)
H8A 0.249009 0.603819 0.747959 0.153*
H8B 0.204834 0.538378 0.795208 0.153*
H8C 0.265421 0.632047 0.811468 0.153*
C9 0.1306 (8) 0.739 (2) 0.7526 (9) 0.091 (4)
H9A 0.110003 0.832883 0.743365 0.136*
H9B 0.103089 0.678903 0.776020 0.136*
H9C 0.139734 0.683806 0.718618 0.136*
C10 0.1759 (11) 0.828 (2) 0.8428 (7) 0.114 (5)
H10A 0.214278 0.858473 0.861571 0.170*
H10B 0.155693 0.748771 0.863824 0.170*
H10C 0.147830 0.914084 0.840176 0.170*
C11 0.2931 (4) 0.9717 (10) 0.6017 (4) 0.043 (2)
C12 0.3323 (4) 1.1001 (10) 0.5927 (4) 0.045 (2)
C13 0.3576 (5) 1.1217 (11) 0.5404 (5) 0.048 (2)
C14 0.3443 (5) 1.0189 (12) 0.4976 (5) 0.053 (2)
H14 0.361740 1.036449 0.462257 0.064*
C15 0.3070 (6) 0.8930 (14) 0.5048 (5) 0.061 (3)
C16 0.2809 (5) 0.8706 (11) 0.5581 (4) 0.047 (2)
H16 0.255072 0.786705 0.564513 0.056*
C17 0.2941 (12) 0.784 (3) 0.4593 (9) 0.118 (3)
C18 0.2229 (9) 0.747 (2) 0.4519 (10) 0.118 (3)
H18A 0.207875 0.692613 0.484231 0.177*
H18B 0.217185 0.685928 0.418808 0.177*
H18C 0.199494 0.840114 0.447947 0.177*
C19 0.3202 (9) 0.609 (2) 0.4821 (8) 0.118 (3)
H19A 0.341881 0.620579 0.517377 0.177*
H19B 0.348851 0.567049 0.454740 0.177*
H19C 0.284636 0.542248 0.486785 0.177*
C20 0.3283 (10) 0.795 (2) 0.4052 (8) 0.118 (3)
H20A 0.304058 0.856031 0.379426 0.177*
H20B 0.334138 0.695400 0.389696 0.177*
H20C 0.368944 0.841729 0.411285 0.177*
C21 0.6037 (5) 0.4129 (12) 0.4676 (4) 0.050 (2)
C22 0.5900 (5) 0.5201 (12) 0.5081 (5) 0.054 (3)
H22 0.608171 0.508104 0.543478 0.065*
C23 0.5504 (6) 0.6463 (13) 0.4995 (5) 0.056 (2)
C24 0.5234 (5) 0.6644 (12) 0.4459 (4) 0.050 (2)
H24 0.498147 0.748274 0.437672 0.060*
C25 0.5354 (5) 0.5529 (11) 0.4051 (4) 0.046 (2)
C26 0.5740 (5) 0.4277 (11) 0.4147 (4) 0.046 (2)
C27 0.5395 (7) 0.7673 (14) 0.5481 (5) 0.060 (3)
C28 0.5405 (11) 0.9226 (19) 0.5213 (8) 0.120 (5)
H28A 0.581225 0.940026 0.504471 0.180*
H28B 0.532619 0.998444 0.549509 0.180*
H28C 0.508142 0.928108 0.492896 0.180*
C29 0.4729 (11) 0.757 (2) 0.5635 (11) 0.124 (5)
H29A 0.447246 0.760968 0.530118 0.186*
H29B 0.462030 0.840130 0.587768 0.186*
H29C 0.465411 0.662613 0.582737 0.186*
C30 0.5948 (11) 0.761 (2) 0.5866 (9) 0.108 (5)
H30A 0.593987 0.667740 0.607360 0.163*
H30B 0.592980 0.845445 0.612290 0.163*
H30C 0.633291 0.766948 0.565050 0.163*
C31 0.5167 (4) 0.5462 (11) 0.3459 (4) 0.044 (2)
C32 0.4813 (5) 0.6454 (11) 0.3143 (4) 0.046 (2)
H32 0.461978 0.728906 0.331102 0.055*
C33 0.4745 (5) 0.6193 (12) 0.2555 (5) 0.049 (2)
C34 0.5051 (5) 0.4937 (11) 0.2333 (5) 0.049 (2)
H34 0.500751 0.474853 0.194982 0.059*
C35 0.5416 (5) 0.3945 (11) 0.2648 (4) 0.046 (2)
C36 0.5462 (4) 0.4195 (11) 0.3226 (4) 0.045 (2)
C37 0.4390 (6) 0.7355 (12) 0.2171 (5) 0.052 (2)
C38 0.4766 (8) 0.866 (2) 0.2061 (9) 0.123 (8)
H38A 0.496572 0.898783 0.240379 0.185*
H38B 0.450178 0.945986 0.191839 0.185*
H38C 0.508586 0.841316 0.178830 0.185*
C39 0.3751 (7) 0.7773 (19) 0.2487 (7) 0.080 (4)
H39A 0.348842 0.688361 0.251544 0.120*
H39B 0.352953 0.854518 0.227960 0.120*
H39C 0.384727 0.814245 0.285736 0.120*
C40 0.4159 (12) 0.670 (3) 0.1626 (8) 0.141 (10)
H40A 0.451459 0.635656 0.140890 0.212*
H40B 0.393403 0.747088 0.141960 0.212*
H40C 0.387994 0.586430 0.170118 0.212*
C41 0.5865 (6) 0.1775 (13) 0.3654 (6) 0.058 (3)
H41A 0.612961 0.146757 0.396781 0.070*
H41B 0.606632 0.142933 0.330991 0.070*
C42 0.5218 (7) 0.1029 (13) 0.3709 (5) 0.065 (3)
C43 0.3427 (6) 1.3408 (11) 0.6461 (6) 0.055 (3)
H43A 0.374995 1.373885 0.619711 0.066*
H43B 0.355638 1.373824 0.683393 0.066*
C44 0.2832 (8) 1.4134 (14) 0.6319 (6) 0.074 (4)
I1 0.35550 (5) 1.25975 (11) 0.79165 (4) 0.0791 (3)
I2 0.42659 (5) 1.29108 (11) 0.52107 (5) 0.0867 (3)
I3 0.67336 (5) 0.25233 (10) 0.48930 (5) 0.0813 (3)
I4 0.59634 (5) 0.23584 (11) 0.22030 (4) 0.0786 (3)
N1 0.3395 (4) 1.1771 (9) 0.6453 (4) 0.0471 (19)
N2 0.2381 (8) 1.4726 (18) 0.6200 (8) 0.134 (7)
N3 0.5816 (4) 0.3413 (9) 0.3645 (4) 0.0441 (18)
N4 0.4727 (8) 0.0498 (15) 0.3744 (7) 0.105 (5)

Source of material

Five grams of 3,6-di-tert-butylcarbazole was dissolved in 60 ml of chloroform, and after stirring for half an hour, 5 g iodine and 3 ml of concentrated sulfuric acid were added, and the mixture was stirred at room temperature for 24 h. The reaction solution was quenched by adding 100 ml of water, and then dichloromethane (DCM) was added to extract and separate the layers. The retained organic layer (lower layer) was placed in a 100 ml round-bottomed flask, and then spin-dried using a rotary evaporator to obtain 3,6-di-tert-butyl-1,8-diiodo-9H-carbazole as white solid. At room temperature 0.5 ml of KOH (50%, 8.95 mmol) was added to a stirred solution of 1.9 g of 3,6-di-tert-butyl-1,8-diiodo-9H-carbazole (3.58 mmol) and 0.115 g of TBAB in 14 ml of DMSO. After stirred for half an hour, 0.7 ml of BrCH2CN (5.37 mmol) was added dropwise. The mixture was warmed to 80 °C and stirred for 5 h. The reaction was quenched by ice water, and extracted by DCM (3 × 50 ml). The organic layer was dried with anhydride Na2SO4. The solvent was removed in vacuo. The organic layer was dried with anhydride Na2SO4. The residue was purified by purified by recrystallization using ethanol to yield 2-(3,6-di-tert-butyl-1,8-diiodo-9H-carbazol-9-yl)acetonitrile as a brown solid. Crystals of the title compound were obtained by slow evaporation of 2-(3,6-di-tert-butyl-1,8-diiodo-9H-carbazol-9-yl)acetonitrile in CH2Cl2 within one weeks.

Experimental details

Hydrogen atoms were placed in their geometrically idealized positions and constrained to ride on their parent atoms.

Comment

Carbazole-based compounds have been widely utilized in prominent optoelectronic applications such as organic light emitting diodes (OLEDs) and photovoltaic cells, because of their excellent thermal and electronic properties [3], [4], [5], [6], [7], [8]. Biologically active carbazole alkaloids have been isolated from diverse natural sources and exhibit a broad range of different frameworks and functional groups. Therefore, a large number of classical and nonclassical methods have been developed for their synthesis [9, 10]. The synthesis of carbazole derivatives is a hot topic in organic chemistry. Previously, Zhang reported the synthesis and crystal structure of 3,6-di-tert-butyl-1,8-diiodo-9-methyl-9H-carbazole [11]. Herein, we reported the synthesis of 2-(3,6-di-tert-butyl-1,8-diiodo-9H-carbazol-9-yl)acetonitrile, which may enriched the application of carbazoles in materials chemistry.

The title compound, built up by the C22H24I2N2 molecules, has been synthesized. There are two crystallographically independent molecules in the asymmetric unit. Both molecules are very similar. The single-crystal structure verifies that all bond lengths are in normal ranges [11].


Corresponding author: Fei Zeng, Department of Biology and Chemistry, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, People’s Republic of China, E-mail:

Funding source: National Natural Science Foundation of China http://dx.doi.org/10.13039/501100001809

Award Identifier / Grant number: 21602055

Funding source: Natural Science Foundation of Hunan Province

Award Identifier / Grant number: 2017 J J3094

Funding source: Undergraduate Research Study and Innovative Experiment of Hunan Provincial

Award Identifier / Grant number: 2016-636

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: The work was supported by National Natural Science Foundation of China (No. 21602055); Natural Science Foundation of Hunan Province (No. 2017 J J3094) and Undergraduate Research Study and Innovative Experiment of Hunan Provincial (2016-636).

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

References

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Received: 2022-02-20
Accepted: 2022-04-05
Published Online: 2022-04-15
Published in Print: 2022-08-26

© 2022 Lin-Li Tang and Fei Zeng, published by De Gruyter, Berlin/Boston

This work is licensed under the Creative Commons Attribution 4.0 International License.

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  55. The crystal structure of bis(pyrazolo[1,5-a]pyrimidine-3-carboxylato-κ2N,O)-copper(ii), C14H8N6O4Cu
  56. Crystal structure of poly[(μ2-1-(1-imidazolyl)-4-(imidazol-1-ylmethyl)benzene-κ2N:N′)-(μ3-pyridazine-4,5-dicarboxylate-κ3O:O′:N)]copper(II) hydrate, C19H16CuN6O5
  57. Crystal structure of acrinidinium tetrafluorohydrogenphthalate, C21H11F4NO4
  58. Crystal structure of 2-(1H-pyrazol-3-yl-κN)pyridine-κN-bis(2-(2,4-difluorophenyl)pyridinato-κ2C,N)iridium(III) sesquihydrate, C30H18F4IrN5·1.5[H2O]
  59. Crystal structure of 2-(2-hydroxy-5-nitrophenyl)-5-methyl-1,3-dioxane-5-carboxylic acid, C12H13N1O7
  60. The crystal structure of 1,2-bis(pyridinium-4-yl)ethane diperchlorate, C12H14N2·2ClO4 – a second polymorph
  61. The crystal structure of [(1,10-phenantroline-κ2N,N′)-bis(6-phenylpyridine-2-carboxylato-κ2N,O)manganese(II)] monohydrate, C36H26N4O5Mn
  62. Crystal structure of 1,2-bis(2,2,3,3,5,5,5-heptamethyl-1,1,4,4- tetrakis(trimethylsilyl)pentasilan-1-yl)ditellane, C38H114Si18Te2
  63. Crystal structure of 1,2-bis(2,4-dinitro-1H-imidazol-1-yl)ethane – dimethylformamide (1/1), C11H13N9O9
  64. Crystal structure of (Z)-3-((tert-butylamino) methylene)-2-(2-hydroxynaphthalen-1-yl) chroman-4-one, C24H23NO3
  65. Synthesis and crystal structure of (E)-1-(4-(((E)-3-(tert-butyl)-2-hydroxybenzylidene)amino)phenyl)ethan-1-one O-ethyl oxime, C21H26N2O2
  66. Crystal structure of the double salt bis(5-amino-1,2,4-triazol-4-ium-3-yl)methane hydrogen oxalate hemioxalate, C8H11N8O6
  67. Hydrothermal synthesis and crystal structure of catena-poly[diaqua-bis(μ2-4-[(4-pyridinylmethyl)amino]benzoato-κ2N:O)cobalt(II)]–1,2bi(4-pyridyl)ethene–water (1/1/1), C50H50N8O8Co
  68. Crystal structure of 3-(3-bromophenyl)-1′,3′-dimethyl-2′H,3H,4H-spiro[furo[3, 2-c]chromene-2,5′-pyrimidine]-2′,4,4′,6′(1′H,3′H) tetraone, C22H15BrN2O6
  69. The crystal structure of poly[aqua-(μ2-4,4′- bis(imidazolyl)biphenyl-κ2N:N′)-(μ2-3-nitrobenzene-1,2-dicarboxylato-κ2O:O′)]copper (II) hydrate, C26H21N5O8Cu
  70. The crystal structure of bis(4-(6-carboxy-8-ethyl-3-fluoro-5-oxo-5,8-dihydro-1,8-naphthyridin-2- yl)piperazin-1-ium) adipate tetrahydrate, C36H52F2N8O14
  71. Synthesis and crystal structure of poly[aqua(μ4-(1R,2S,4R)-4-hydroxy-1-((7-hydroxy-3-(4-hydroxy-3-sulfonatophenyl)-4-oxo-4H-chromen-8-yl)methyl)pyrrolidin-1-ium-2-carboxylate-κ4O:O′:O″:O‴)sodium(I)] monohydrate, C21H22NNaO12S
  72. Crystal structure of chlorido-(η6-toluene)(2,2′-bipyridine-κ2N,N′)ruthenium(II) hexafluorophosphate, C17H16ClN2RuPF6
  73. The crystal structure of (R)-6-hydroxy-8-methoxy-3-methylisochroman-1-one, C11H12O4
  74. Crystal structure of catena-poly[(5,5,7,12,12,14-hexamethyl -1,4,8,11-tetraazacyclotetradecane- κ4N,N′,Nʺ,N‴)nickel(II)-(μ2-perchlorato-κ2O:O′)] 3,5-dicarboxybenzoate – methanol (1/2), C27H49ClN4NiO12
  75. The crystal structure of 4-(chloromethyl)benzonitrile, C8H6ClN
  76. The crystal structure of dimethylammonium 8-[(7,9-dioxo-6,10-dioxaspiro[4.5]decan-8-ylidene)methyl]-9-oxo-6,10-dioxaspiro[4.5]dec-7-en-7-olate, C19H25NO8
  77. Crystal structure of (2R,3S,4S,5R,6S)-2-(acetoxymethyl)-6-((1-acetyl-5-bromo-4-chloro-1H-indol-3-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate hemihydrate C24H25BrClNO11
  78. The crystal structure of the co-crystal tetrakis[2-(tris(4-methoxyphenyl)stannyl)ethyl]silane – tetrahydrofuran – toluene – tetrahydrofurane (1/1/1), C103H116O13SiSn4
  79. Crystal structure of methyl 3-(1,3-dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)propanoate, C16H13NO4
  80. Crystal structure of ethyl (Z)-3-amino-2-cyano-3-(2-oxo-2H-chromen-3-yl)acrylate, C15H12N2O4
  81. Crystal structure of methyl 2-(1,3-dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)acetate, C15H11NO4
  82. Crystal structure of catena-poly[diaqua-bis(μ2-1,3-di(1H-imidazol-1-yl)propane-κ2N:N′)cobalt(II)] tetrafluoroterephthalate, C26H28N8O6F4Co
Heruntergeladen am 6.9.2025 von https://www.degruyterbrill.com/document/doi/10.1515/ncrs-2022-0083/html
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