Startseite Crystal structure of 3-(benzo[d]thiazol-2-yl)-5-bromo-2-hydroxybenzaldehyde, C14H8BrNO2S
Artikel Open Access

Crystal structure of 3-(benzo[d]thiazol-2-yl)-5-bromo-2-hydroxybenzaldehyde, C14H8BrNO2S

  • Wen-Ze Zhao ORCID logo EMAIL logo
Veröffentlicht/Copyright: 6. Februar 2024

Abstract

C14H8BrNO2S, orthorhombic, P212121 (no. 19), a = 4.7405(2) Å, b = 14.5781(5) Å, c = 18.3358(6) Å, V = 1267.14(8) Å3, Z = 4, R gt (F) = 0.0318, wR ref (F2) = 0.0774, T = 273(2) K.

CCDC no.: 2326061

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: Yellow block
Size: 0.20 × 0.19 × 0.18 mm
Wavelength: Mo Kα radiation (0.71073 Å)
μ: 3.40 mm−1
Diffractometer, scan mode: Bruker APEX-II, φ and ω
θmax, completeness: 26.0°, 98 %
N(hkl)measured, N(hkl)unique, Rint: 10,724, 2440, 0.047
Criterion for Iobs, N(hkl)gt: Iobs > 2σ(Iobs), 2189
N(param)refined: 173
Programs: Olex2 [1], Bruker [2], SHELX [3], Diamond [4]
Table 2:

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

Atom x y z Uiso*/Ueq
Br1 1.25879 (11) 0.36204 (3) 0.84827 (2) 0.04844 (18)
S1 0.4628 (3) 0.53789 (8) 0.67261 (7) 0.0391 (3)
O1 1.1881 (10) 0.0748 (3) 0.6600 (2) 0.0694 (12)
O2 0.6237 (8) 0.2500 (2) 0.57828 (18) 0.0470 (9)
H2 0.5030 0.2881 0.5678 0.070*
N1 0.3532 (7) 0.4061 (2) 0.5825 (2) 0.0337 (8)
C1 0.0811 (10) 0.6395 (3) 0.5865 (3) 0.0460 (12)
H1 0.1086 0.6925 0.6137 0.055*
C2 0.2238 (10) 0.5586 (3) 0.6026 (2) 0.0350 (10)
C3 0.1882 (8) 0.4785 (3) 0.5610 (2) 0.0329 (10)
C4 −0.0016 (10) 0.4786 (4) 0.5032 (3) 0.0425 (12)
H4 −0.0301 0.4260 0.4754 0.051*
C5 −0.1457 (11) 0.5577 (4) 0.4881 (3) 0.0492 (14)
H5 −0.2754 0.5584 0.4500 0.059*
C6 −0.1022 (11) 0.6373 (4) 0.5285 (3) 0.0509 (13)
H6 −0.1998 0.6904 0.5160 0.061*
C7 0.5075 (9) 0.4262 (3) 0.6393 (2) 0.0313 (9)
C8 0.7096 (8) 0.3630 (3) 0.6717 (2) 0.0291 (8)
C9 0.7595 (10) 0.2766 (3) 0.6389 (2) 0.0330 (9)
C10 0.9595 (10) 0.2173 (3) 0.6695 (3) 0.0373 (10)
C11 1.0164 (12) 0.1239 (3) 0.6359 (3) 0.0484 (13)
H11 0.9127 0.1053 0.5955 0.058*
C12 1.1033 (10) 0.2432 (3) 0.7319 (3) 0.0372 (10)
H12 1.2331 0.2031 0.7526 0.045*
C13 1.0568 (9) 0.3275 (3) 0.7637 (2) 0.0325 (10)
C14 0.8619 (9) 0.3864 (3) 0.7345 (2) 0.0323 (10)
H14 0.8303 0.4429 0.7567 0.039*

1 Source of materials

Weigh 5-bromo-2-hydroxybenzaldehyde (1.07 g, 5 mmol) and 2-aminobenzenethiol (0.47 g, 5 mmol) and add to a round bottom flask with a volume of 100 mL. Add 30 mL of methanol and stir at room temperature for 30 min. Add I2 (5 mmol, 0.32 g) and continue stirring at room temperature for 8 h to produce a precipitate. Filter and wash the precipitate three times with methanol to obtain 2-(benzo[d]thiazol-2-yl)-4-bromophenol.

Weigh the above product (2.5 mmol, 0.76 g) and add it to a round bottom flask. Then add 11 mL of trifluoroacetic acid and stir until it is completely dissolved. Then add hexamethylenetetramine (5 mmol, 0.70 g) and heat for reflux reaction for 24 h. Cool the solution to room temperature, pour a small amount into ice water multiple times, precipitate the solid, filter, and recrystallize with ethanol to obtain the target product of 0.58 g, with a yield of 70 %.

2 Experimental details

Using Olex2 [1], the structure was solved using Charge Flipping and refined with the ShelXL [3] refinement. All hydrogen atoms were positioned geometrically, withthe d (C–H) = 0.97–0.99 Å, Uiso(H) = 1.2 times Ueq(C) and Uiso(H) = 1.5 times U eq (O).

3 Comment

Schiff base is a compound with a C=N double bond obtained by condensation reaction between compounds containing aldehyde groups and compounds containing primary amino groups. Because of the non-bonding pair of electrons on the nitrogen atom in the C=N double bond, it is easy to coordinate with different metal ions, resulting in novel structures and excellent properties of the complex [5, 6]. Researchers have utilized this characteristic to advance the field of metal ion recognition and detection [7, 8].

Excited State Intramolecular Proton Transfer (ESIPT) is characterized by the presence of both a proton donor group (–NH2 or –OH) and a proton acceptor group (C=O or =N–) within a molecule. The molecule absorbs photons and transitions to the excited state, causing the charge of the molecule to rearrange and the proton to transfer to nearby proton acceptors. The alcohol like structure of the molecule in the ground state changes to the quinone like structure in the excited state. Quinone like structures are more stable and have lower energy in the excited state compared to alcohol like structures, and the fluorescence released by radiative transitions back to the ground state shows a red shift. Therefore, these molecules typically have a large Stokes shift, avoiding self-absorption and internal filtering effects, and their fluorescence often exhibits double emission, making them widely used in the design and development of fluorescent probes [9, 10].

The design and synthesis of aldehyde compounds with ESIPT are of great significance [11]. Here, we design and sythesised 3-(benzo[d]thiazol-2-yl)-5-bromo-2-hydroxybenzal-dehyde with aldehyde groups and ESIPT effect. The target compound is first obtained by reacting 2-hydroxy-5-bromobenzaldehyde with 2-phenylaminophenylthiophenol to obtain 2-(benzo[d]thiazol-2-yl)-4-bromophenol, and then introducing an aldehyde group to obtain it. The crystal structure proves that the compound has been successfully acylated, and the bond length of the C=O bond is 1.170(6) Å [12]. The benzothiazole ring and the phenyl ring have a dihedral angle of 6.02°. The hydroxyl oxygen atom and the nitrogen atom of the thiazole ring form an O2–H2⋯N1 intramolecular hydrogen bond. Molecules extend into one-dimensional structures through atypical C14–H14⋯O1 hydrogen bonds.


Corresponding author: Wen-Ze Zhao, Shandong Vocational College of Industry, Zibo, Shandong, 256414, People’s Republic of China, E-mail:

  1. Author contributions: The author has accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: None declared.

  3. Conflict of interest statement: The author declares no conflicts of interest regarding this article.

References

1. Dolomanov, O. V., Bourhis, L. J., Gildea, R. J., Howard, J. A. K., Puschmann, H. OLEX2: a complete structure solution, refinement and analysis program. J. Appl. Crystallogr. 2009, 42, 339–341; https://doi.org/10.1107/s0021889808042726.Suche in Google Scholar

2. Bruker. APEX2, SAINT and SADABS; Bruker AXS Inc.: Madison, Wisconsin, USA, 2012.Suche in Google Scholar

3. Sheldrick, G. M. Crystal structure refinement with SHELXL. Acta Crystallogr. 2015, C71, 3–8; https://doi.org/10.1107/s2053229614024218.Suche in Google Scholar

4. Brandenburg, K. DIAMOND. Visual Crystal Structure Information System. Ver. 4.0; Crystal Impact: Bonn, Germany, 2015.Suche in Google Scholar

5. Zhang, X., Wu, S. T., Yang, X. J., Shen, L. Y., Huang, Y. L., Xu, H., Zhang, Q. L., Sun, T., Redshaw, C., Feng, X. Dynamic coordination between atriphenylamine-functionalizedsalicylaldehyde Schiff base and a copper(II) ion. Inorg. Chem. 2021, 60, 8581–8591; https://doi.org/10.1021/acs.inorgchem.1c00523.Suche in Google Scholar PubMed

6. Shen, L. Y., Yu, C. J., Xie, H. F., Xu, N., Xu, H., Huang, Y. L., Redshaw, C., Feng, X., Zhang, Q. L. Naphthaldehyde-based Schiff base dyes: aggregation-induced emission and high-contrast reversible mechanochromic luminescence. Mater. Chem. Front. 2022, 6, 2491–2498; https://doi.org/10.1039/d2qm00542e.Suche in Google Scholar

7. Wu, Q., Feng, L. H., Chao, J. B., Wang, Y., Shuang, S. M. Ratiometric sensing of Zn2+ with a new benzothiazole-based fluorescent sensor and living cell imaging. Analyst 2021, 146, 4348–4356; https://doi.org/10.1039/d1an00749a.Suche in Google Scholar PubMed

8. Goshisht, M. K., Patra, G. K., Tripathi, N. Fluorescent Schiff base sensors as a versatile tool for metal ion detection: strategies, mechanistic insights, and applications. Mater. Adv. 2022, 3, 2612–2669; https://doi.org/10.1039/d1ma01175h.Suche in Google Scholar

9. Yu, Q., Wu, S. T., Chen, X. L., Zhang, Q. L., Xu, H., Huang, Y. L., Zhu, B. X., Ni, X. L. Twisted Schiff-base macrocycle showing excited-state intramolecular proton-transfer (ESIPT): assembly and sensing properties. Chem. Commun. 2020, 56, 2304–2307; https://doi.org/10.1039/c9cc09540c.Suche in Google Scholar PubMed

10. Wang, J. F., Meng, Q. Y., Yang, Y. Y., Zhong, S. L., Zhang, R. T., Fang, Y. H., Gao, Y., Cui, X. J. Schiff base aggregation-induced emission luminogens for sensing applications: a review. ACS Sensors 2022, 7, 2521–2536; https://doi.org/10.1021/acssensors.2c01550.Suche in Google Scholar PubMed

11. Erdemira, S., Malkondu, S. On-site and low-cost detection of cyanide by simple colorimetric and fluorogenic sensors: smartphone and test strip applications. Talanta 2020, 207, 120278; https://doi.org/10.1016/j.talanta.2019.120278.Suche in Google Scholar PubMed

12. Rodriguez-Rodriguez, C., de Groot, N. S., Rimola, A., Alvarez-Larena, A., Lloveres, V., Vidal-Gancedo, J., Ventura, S., Vendrell, J., Sodupe, M., Gonzalez-Duarte, P. Design, selection, and characterization of thioflavin-based intercalation compounds with metal chelating properties for application in Alzheimer’s disease. J. Am. Chem. Soc. 2009, 131, 1436–1451; https://doi.org/10.1021/ja806062g.Suche in Google Scholar PubMed

Received: 2023-10-02
Accepted: 2024-01-17
Published Online: 2024-02-06
Published in Print: 2024-04-25

© 2023 the author(s), published by De Gruyter, Berlin/Boston

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

Artikel in diesem Heft

  1. Frontmatter
  2. New Crystal Structures
  3. Solvothermal synthesis and crystal structure of aqua-tris(p-acetamidobenzoate-κ2O,O′)-(2,2′-bipyridine-κ2N,N′)terbium(III) - water - methanol (1/1/1)
  4. Crystal structure of hexaaquazinc(II) catena-poly[bis(1-(3-carboxyphenyl)-5-methyl-4-oxo-1,4-dihydropyridazine-3-carboxylato-κ2O,O′)-bis(μ2-1-(3-carboxyphenyl)-5-methyl-4-oxo-1,4-dihydropyridazine-3-carboxylato-κ2O:O′)trizinc(II)] hexahydrate C26H36N4O20Zn2
  5. The crystal structure of valinyl-N-ium-4-(5-(thiophen-2-yl)isoxazol-3-yl)phenyl trifluoroacetate
  6. Crystal structure of bis(3,5-diisopropyl-1H-pyrazol-4-ammonium) tetrafluoroterephthalate, 2[C9H18N3][C8F4O4]
  7. Crystal structure of aqua-octakis(μ3-salicylato)-(1,10-phenanthroline)-(acetonitrile)-dicobalt(II)-trititanium(IV), C70H45N3O25Co2Ti3
  8. Crystal structure of catena-poly[aqua-(μ2-4,4′-diimidazole diphenyl ether-κ2N:N′)-(sulfato-κ1O)-cobalt(II)] – dimethylformamide (2/1), C39H37CoN9O8S
  9. Crystal structure of (5R,8R,9R,10R,12R, 13R,14R,17S)-2-(E-3-fluorobenzylidene)-12-hydroxy-4,4,8,10,14-pentamethyl-17-((R)-2,6,6-trimethyltetrahydro-2H-pyran-2-yl) hexadecahydro-3H-cyclopenta[a]phenanthren-3-one, C37H53FO3
  10. Crystal structure of (Z)-4-((4,5,6-trimethoxy-3-oxobenzofuran-2(3H)-ylidene)methyl)phenyl diphenylphosphinate, C30H25O7P
  11. Crystal structure of 3-((5-methylpyridin-2-yl)amino)-1-phenylpropan-1-one, C15H16N2O
  12. The crystal structure of (R)-9-(5-methoxy-2-methyl-2,3-dihydro-1H-cyclopenta[a]naphthalen-1-ylidene)-9H-thioxanthene, C28H22OS
  13. Crystal structure of diaqua-bis[1-(1-(hydroxymethyl)-1H-pyrazol-3-yl)-5-methyl-1H-1,2,3-triazole-4-carboxylato-κ2N,O)] manganese(II), C16H20MnN10O8
  14. The crystal structure of t-butyl 7-[4-(4-fluorophenyl)-2-[(methanesulfonyl)(methyl)amino]-6-(propan-2-yl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoate, C26H36FN3O6S
  15. The crystal structure of samarium sulfate pentahydrate, Sm2(SO4)3(H2O)5
  16. The crystal structure of [triaqua-(8-carboxymethoxy-quinoline-2-carboxylate-κ 4 N,O,O,O)-zinc(II)] monohydrate, C12H15NO9Zn
  17. The crystal structure of 2,3-difluoro-11H-benzo-[4,5]imidazo[2,1-a]isoindol-11-one, C14H6F2N2O
  18. The crystal structure of 2,3-di(9H-carbazol-9-yl)-9H-fluoren-9-one, C37H22N2O
  19. The crystal structure of 5-(2-chloro-3-(3,6-di-tert-butyl-9H-carbazol-9-yl)phenyl)-10,11-dihydro-5H-dibenzo[b,f]azepine, C40H39ClN2
  20. Crystal structure of 2-bromo-1-hydroxy-3-(3-methylbut-2-enyloxy)-9H-xanthen-9-one, C18H15BrO4
  21. Crystal structure of bis(μ2-benzenesulfonato-κ2O:O′)-bis(μ2-6,6′-((ethane-1,2-diylbis(azaneylylidene))bis(methaneylylidene))-bis(2-methoxyphenolato-κ6O,O′:O′,N,N′,O′′:O′′,O′′′))disodium(I)dicopper(II)
  22. The crystal structure of (E)-1,2-bis(benzo[e][1,2]azaborinin-2(1H)-yl)ethene, C18H16B2N2
  23. Crystal structure of 3-oxo-urs-12-en-28-benzyl ester, C37H52O3
  24. The crystal structure of ethyl (E)-1-chloro-3-(4-chloro-1-methyl-1H-indole-2-carbonyl)-4-oxo-2-phenylcyclooct-2-ene-1-carboxylate, C27H25Cl2NO4
  25. The crystal structure of 4,4′-((5-bromo-2-iodo-1,3-phenylene)bis(oxy))bis(tert-butylbenzene) ─ ethanol (2/1), C26H28BrIO2
  26. Crystal structure of (E)-1-(4-(benzyloxy)-2-hydroxyphenyl)-3-(dimethylamino)prop-2-en-1-one, C18H19NO3
  27. The crystal structure of N1,N3-bis(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)\ propanediamide hydrate, C25H26N6O4, 2(H2O)
  28. The crystal structure of 2,5-bis[(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino]cyclohexa-2,5-diene-1,4-dione, C28H26N6O4
  29. Crystal structure of 3,4-bis[2-(hydroxymethyl)-pyrrolidin-1-yl] cyclobut-3-ene-1,2-dione hydrate, C14H22N2O5
  30. The crystal structure of 2-(3,4–dichlorobenzyl)-1H-benzimidazole, C14H10Cl2N2
  31. The crystal structure of 2-(2-((4,6-dimethoxypyrimidin-2-yl)oxy)phenyl)-4-(piperidin-1-yl)-5H-chromeno[2,3-d]pyrimidine, C28H27N5O4
  32. The crystal structure of 6-(benzofuran-2-yl)-2-oxo-4,5-diphenyl-3,4-dihydro-2H-pyran-3-carbonitrile, C26H17NO3
  33. Crystal structure of N-(4-bromobenzyl)-3-(difluoromethyl)-1-methyl-N-(pyridin-2-yl)-1H-pyrazole-4-carboxamide, C18H15BrF2N4O
  34. The crystal structure of the host-guest complex: N-{5-[2-(2,6-dimethylphenoxy)acetamido]-4-hydroxy-1,6-diphenylhexan-2-yl}-3-methyl-2-(2-oxo-1,3-diazinan-1-yl)butanamide-diethyl ether (2/1)
  35. The crystal structure of (Z)-4-amino-N-(1-(4-hydroxyphenyl)propylidene)benzohydrazide, C16H17N3O2
  36. The crystal structure of diethyl 1,4-dihydro-2,6-dimethyl-4-(3-cyanophenyl)-3,5-pyridinedicarboxylate, C20H22N2O4
  37. Crystal structure of 3-(5-((4-(difluoromethoxy)phenyl) sulfonyl)-3,4,5,6-tetrahydropyrrolo[3,4-c]pyrrol-2(1H)-yl) oxetane-3-carboxamide, C17H19F2N3O5S
  38. Crystal structure of 2-((2,6-dichloro-4-(3,5-dimethylisoxazol-4-yl)phenyl)amino)-N-(2-(4-methylpiperazin-1-yl)ethyl)benzamide hydrate, C25H37Cl2N5O6
  39. Crystal structure of 3-(benzo[d]thiazol-2-yl)-5-bromo-2-hydroxybenzaldehyde, C14H8BrNO2S
  40. Crystal structure of 3-(difluoromethyl)-1-methyl-N-(pyridin-2-yl)-1H-pyrazole-4-carboxamide, C11H10F2N4O
  41. Crystal structure of 3-(2-ethoxy-2-oxoethyl)-1-isopropyl-1H-imidazol-3-ium hexafluoridophosphate(V), C20H34F12N4P2
  42. Crystal structure of ethyl 5,6-dichloro-2-methyl-2,3-dihydro-1 H-benzo[d]imidazole-2-carboxylate, C11H12Cl2N2O2
  43. The crystal of structure of (OC-6-22)-pentakis(acetonitrile)bromidoruthenium(II)bromide monohydrate, C10H15Br2N5Ru
  44. Crystal structure of (2S,3R,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-2-(((4aS,5R,6S)-1-oxo-5-vinyl-4,4a,5,6-tetrahydro-1H,3H-pyrano[3,4-c]pyran-6-yl)oxy)tetrahydro-2H-pyran-3-yl 2,3-dihydroxybenzoate hydrate, C23H26O12·H2O
  45. The crystal structure of (E)-4-amino-N′-(1-(4-fluorophenyl)propylidene)benzohydrazide, C16H16FN3O
  46. The crystal structure of 2′-(9H-carbazol-9-yl)-[1,1′-binaphthalen]-2-amine, C32H22N2
  47. Crystal structure of poly[μ3-diiodido-[μ2-di(1H-pyrazol-1-yl)methane-κ2N,N′)]dicopper(I)], C7H8Cu2I2N4
  48. Crystal structure of 3-amino-N′-hydroxy-1H-pyrazole-4-carboximidamide, C4H7N5O
  49. The crystal structure of 1,3-diacetyltetrahydroimidazo[4,5-d]imidazole-2,5(1H,3H)-dione, C8H10O4N4
  50. Crystal structure of catena-poly[aqua-(μ2-1,4-diazabicyclo[2.2.2]octane-k2N: N′)-bis(sorbato-κ1O)-copper(II), C18H28CuN2O5
  51. Crystal structure of catena-poly[triaqua-(μ2 -1-(4-carboxylatophenyl)-4-oxo-1,4-dihydropyridazine-3-carboxylato-κ3O,O′:O′′)manganese(II)], C12H12N2O8Mn
  52. The crystal structure of [hexaaquamagnesium(II)] 4-[(pyridine-4-carbonyl)-amino]-phthalate trihydrate, C14H26N2O14Mg
  53. Crystal structure of 1-(p-tolylphenyl)-4-(2-furoyl)-3-methyl-1H-pyrazol-5-ol, C16H14N2O3
  54. The crystal structure of bis(1,4,7,10,13-pentaoxacyclopentadecane)-potassium(I) dichloridocopper(I), C20H40Cl2CuKO10
  55. The crystal structure of tris(tetra-n-butylammonium) hexanitrato-κ2O,O′-lanthanium(III) C48H108N9O18La
Heruntergeladen am 22.9.2025 von https://www.degruyterbrill.com/document/doi/10.1515/ncrs-2023-0527/html
Button zum nach oben scrollen