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1

Danneberg, Friederike, Alice Ghidini, Plamena Dogandzhiyski, Elisabeth Kalden, Roger Strömberg, and Michael W. Göbel. "Sequence-specific RNA cleavage by PNA conjugates of the metal-free artificial ribonuclease tris(2-aminobenzimidazole)." Beilstein Journal of Organic Chemistry 11 (April 16, 2015): 493–98. http://dx.doi.org/10.3762/bjoc.11.55.

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Tris(2-aminobenzimidazole) conjugates with antisense oligonucleotides are effective site-specific RNA cleavers. Their mechanism of action is independent of metal ions. Here we investigate conjugates with peptide nucleic acids (PNA). RNA degradation occurs with similar rates and substrate specificities as in experiments with DNA conjugates we performed earlier. Although aggregation phenomena are observed in some cases, proper substrate recognition is not compromised. While our previous synthesis of 2-aminobenzimidazoles required an HgO induced cyclization step, a mercury free variant is describ
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2

Podunavac-Kuzmanovic, Sanja, Dragoljub Cvetkovic, and Gordana Cetkovic. "Antimicrobial activity of cobalst(II) complexes with 2-aminobenzimidazole derivatives." Acta Periodica Technologica, no. 35 (2004): 231–38. http://dx.doi.org/10.2298/apt0435231p.

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Cobalt(II) chloride reacts with 2-aminobenzimidazole derivatives to give complexes of the formula [CoL2Cl2], where L=2-aminobenzimidazole 1-benzyl-2-aminobenzimidazole and 1-(4-methylbenzyl)-2-aminobenzimidazole. All the ligands and their cobalt(II) complexes were evaluated for their in vitro antimicrobial activity against Pseudomonas aeruginosa, Bacillus sp. Staphylococcus aureus, Sarcina lutea and Saccharomyces cerevisiae. The minimum inhibitory concentration (MIC) was determined for all ligands and their complexes. It was found that tested compounds were more active against gram-positive th
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3

Zellmann, Felix, Laura Thomas, Ute Scheffer, Roland Hartmann, and Michael Göbel. "Site-Specific Cleavage of RNAs Derived from the PIM1 3′-UTR by a Metal-Free Artificial Ribonuclease." Molecules 24, no. 4 (2019): 807. http://dx.doi.org/10.3390/molecules24040807.

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Oligonucleotide conjugates of tris(2-aminobenzimidazole) have been reported previously to cleave complementary RNA strands with high levels of sequence and site specificity. The RNA substrates used in these studies were oligonucleotides not longer than 29-mers. Here we show that ~150–400-mer model transcripts derived from the 3′-untranslated region of the PIM1 mRNA reacted with rates and specificities comparable to those of short oligonucleotide substrates. The replacement of DNA by DNA/LNA mixmers further increased the cleavage rate. Tris(2-aminobenzimidazoles) were designed to interact with
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4

Mumtaz, Mubeen, Nasir Rasool, Gulraiz Ahmad, Naveen Kosar, and Umer Rashid. "N-Arylation of Protected and Unprotected 5-Bromo-2-aminobenzimidazole as Organic Material: Non-Linear Optical (NLO) Properties and Structural Feature Determination through Computational Approach." Molecules 26, no. 22 (2021): 6920. http://dx.doi.org/10.3390/molecules26226920.

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The interest in the NLO response of organic compounds is growing rapidly, due to the ease of synthesis, availability, and low loss. Here, in this study, Cu(II)-catalyzed selective N-arylation of 2-aminobenzimidazoles derivatives were achieved in the presence of different bases Et3N/TMEDA, solvents DCM/MeOH/H2O, and various aryl boronic acids under open atmospheric conditions. Two different copper-catalyzed pathways were selected for N-arylation in the presence of active nucleophilic sites, providing a unique tool for the preparation of NLO materials, C-NH (aryl) derivatives of 2-aminobenzimida
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5

Nájera, Carmen, José Miguel Sansano, and Enrique Gómez-Bengoa. "Heterocycle-based bifunctional organocatalysts in asymmetric synthesis." Pure and Applied Chemistry 88, no. 6 (2016): 561–78. http://dx.doi.org/10.1515/pac-2016-0403.

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AbstractDifferent chiral bifunctional organocatalysts derived from trans-cyclohexane-1,2-diamine bearing different types of guanidine units able to form-hydrogen bonding activation have been designed. Conformational rigid 2-aminobenzimidazoles bearing a tertiary amino group have been used in enantioselective Michael type reactions of activated methylene compounds to nitroalkenes. The C2 symmetric bis(2-aminobenzimidazole) derivatives the appropriate organocatalyst for the conjugate addition of 1,3-dicarbonyl compounds to maleimides as well as for the SN1 reaction of benzylic alcohols with carb
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6

Baikalova, L. V., E. S. Domnina, and A. V. Afonin. "Reaction of 2-aminobenzimidazole with acetylene." Bulletin of the Russian Academy of Sciences Division of Chemical Science 41, no. 3 (1992): 588–89. http://dx.doi.org/10.1007/bf00863093.

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7

Kang, Jongmin, Hyung Suk Kim, and Doo Ok Jang. "Fluorescent anion chemosensors using 2-aminobenzimidazole receptors." Tetrahedron Letters 46, no. 36 (2005): 6079–82. http://dx.doi.org/10.1016/j.tetlet.2005.07.002.

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8

Dyablo, O. V., and A. F. Pozharskii. "Synthesis of 2-azido-1-methyl-aminobenzimidazole." Chemistry of Heterocyclic Compounds 35, no. 10 (1999): 1222–24. http://dx.doi.org/10.1007/bf02323382.

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9

NAWROCKA, W. "ChemInform Abstract: New Derivatives of 2-Aminobenzimidazole. Part 2. Synthesis of 2- Aminobenzimidazole with α,β-Unsaturated Acids and Their Chlorides." ChemInform 26, № 48 (2010): no. http://dx.doi.org/10.1002/chin.199548170.

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10

Xhanari, Klodian, and Matjaž Finšgar. "The first electrochemical and surface analysis of 2-aminobenzimidazole as a corrosion inhibitor for copper in chloride solution." New Journal of Chemistry 41, no. 15 (2017): 7151–61. http://dx.doi.org/10.1039/c7nj01209h.

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11

Churakov, Andrei V., Dmitry A. Grishanov, Alexander G. Medvedev, et al. "Stabilization of hydrogen peroxide by hydrogen bonding in the crystal structure of 2-aminobenzimidazole perhydrate." CrystEngComm 22, no. 16 (2020): 2866–72. http://dx.doi.org/10.1039/d0ce00096e.

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12

Ravi, A. "Novel Synthesis and Characterization of 2-Aminobenzimidazole Derivative." SOJ Materials Science and Engineering 3, no. 2 (2015): 1–4. http://dx.doi.org/10.15226/sojmse.2015.00124.

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13

Seth, Punit P., Elizabeth A. Jefferson, Lisa M. Risen, and Stephen A. Osgood. "Identification of 2-Aminobenzimidazole dimers as antibacterial agents." Bioorganic & Medicinal Chemistry Letters 13, no. 10 (2003): 1669–72. http://dx.doi.org/10.1016/s0960-894x(03)00245-2.

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14

Frei, Reto, Anthony S. Breitbach, and Helen E. Blackwell. "2-Aminobenzimidazole Derivatives Strongly Inhibit and DispersePseudomonas aeruginosaBiofilms." Angewandte Chemie International Edition 51, no. 21 (2012): 5226–29. http://dx.doi.org/10.1002/anie.201109258.

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15

Frei, Reto, Anthony S. Breitbach, and Helen E. Blackwell. "2-Aminobenzimidazole Derivatives Strongly Inhibit and DispersePseudomonas aeruginosaBiofilms." Angewandte Chemie 124, no. 21 (2012): 5316–19. http://dx.doi.org/10.1002/ange.201109258.

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16

El-Medani, Samir M., Teraze A. Youssef, and Ramadan M. Ramadan. "Spectroscopic and X-ray crystal structure of 2-aminobenzimidazole-trinitrobenzene charge-transfer and 2-aminobenzimidazole-picric acid ion-pair derivatives." Journal of Molecular Structure 644, no. 1-3 (2003): 77–87. http://dx.doi.org/10.1016/s0022-2860(02)00474-x.

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17

Kumar, Ashok, Sunil Kumar, Devinder Kumar та Rakesh K. Gupta. "One-pot Regioselective Synthesis of 2,9-Disubstituted Imidazo[1,2-a] Benzimidazoles from 2-Aminobenzimidazole and α-Tosyloxy Ketones". Journal of Chemical Research 2007, № 9 (2007): 519–20. http://dx.doi.org/10.3184/030823407x244850.

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18

NAWROCKA, W. "ChemInform Abstract: New Derivatives of 2-Aminobenzimidazole. Part 3. Reaction of 2- Aminobenzimidazole with α,β-Unsaturated Ketones and Chloroacid Chlorides." ChemInform 27, № 22 (2010): no. http://dx.doi.org/10.1002/chin.199622050.

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19

Zhang, Xiaopeng, Shuxiang Dong, Yan Wang, Xueli Niu, Zhengwei Li, and Guisheng Zhang. "Selenium-Catalyzed Carbonylation of 2-Aminobenzimidazole with Alcohols to 2-Benzimidazolecarbamates." ChemistrySelect 1, no. 10 (2016): 2422–25. http://dx.doi.org/10.1002/slct.201600627.

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20

Podunavac-Kuzmanovic, Sanja, Sinisa Markov, and Ljiljana Vojinovic. "Physico-chemical characterization and anti- microbial activity of copper(II) complexes with 2-amino and 2-methylbenzimidazole derivatives." Acta Periodica Technologica, no. 35 (2004): 247–54. http://dx.doi.org/10.2298/apt0435247p.

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Copper(II) chloride, in warm ethanolic solution, reacted with 2-amino and 2-methylbenzimidazole derivatives to give complexes of the formula CuL2Cl2?nH2O, where L=1-benzyl-2-aminobenzimidazole 1-(4-methylbenzyl)-2-aminobenzimidazole, 1-benzyl-2-methylbenzimidazole and 1-(4-methylbenzyl)-2-methylbenzimidazole( n=1 or 2). The complexes were characterized by elemental analysis of the metal, molar conductivity magnetic susceptibility measurements and IR spectra. The molar conductivities of copper(II)complexes in dimethyl formamide (DMF) corresponding to a 1:1 type of electrolyte indicate that in a
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21

Cruz, Alejandro, Itzia Padilla-Martínez, Efrén García-Báez, and Gerardo Guerrero-Muñoz. "Synthesis and Structure of Sulfur Derivatives from 2-Aminobenzimidazole." Molecules 19, no. 9 (2014): 13878–93. http://dx.doi.org/10.3390/molecules190913878.

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22

Mendiola, M. A., J. E. Masaguer, and C. Molleda. "Ircn(II) Chloride Complexes with Some 2-Aminobenzimidazole Ligands." Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 22, no. 7 (1992): 955–69. http://dx.doi.org/10.1080/15533179208016604.

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23

Pilyugin, V. S., Yu E. Sapozhnikov, and N. A. Sapozhnikova. "Acyl Derivatives of 2-Aminobenzimidazole and Their Fungicide Activity." Russian Journal of General Chemistry 74, no. 5 (2004): 738–43. http://dx.doi.org/10.1023/b:rugc.0000039088.87053.eb.

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24

Khusainova, N. G., V. A. Burilov, and D. I. Samigullin. "Reaction of Diethyl Vinylphosphonate with Benzimidazole and 2-Aminobenzimidazole." Russian Journal of Organic Chemistry 54, no. 1 (2018): 149–50. http://dx.doi.org/10.1134/s1070428018010177.

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25

Kim, Hyung Suk, Kyung Soo Moon, and Doo Ok Jang. "Fluorescent Receptor Bearing Two 2-Aminobenzimidazole Moieties for Dicarboxylates." Supramolecular Chemistry 18, no. 2 (2006): 97–101. http://dx.doi.org/10.1080/10610270500420039.

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26

Petrova, Olesya N., Lali L. Zamigajlo, Konstantin S. Ostras, et al. "Multicomponent Reaction of 2-aminobenzimidazole, Arylglyoxals, and 1,3-cyclohexanedione." Chemistry of Heterocyclic Compounds 51, no. 4 (2015): 310–19. http://dx.doi.org/10.1007/s10593-015-1700-y.

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27

BAIKALOVA, L. V., E. S. DOMNINA, and A. V. AFONIN. "ChemInform Abstract: 2-Aminobenzimidazole in the Reaction with Acetylene." ChemInform 25, no. 11 (2010): no. http://dx.doi.org/10.1002/chin.199411143.

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28

Oborina, E. N., A. M. Nalibaeva, E. N. Abdikalykov, I. A. Ushakov, I. B. Rosenzveig, and S. N. Adamovich. "Synthesis and sorption properties of organosilicon 2-aminobenzimidazole derivatives." Russian Chemical Bulletin 72, no. 8 (2023): 1957–59. http://dx.doi.org/10.1007/s11172-023-3986-8.

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29

Selvaraju, Manikandan, Tzuen-Yang Ye, Chia-Hsin Li, Pei-Heng Ho, and Chung-Ming Sun. "Copper catalyzed aerobic oxidative cyclization and ketonization: one pot synthesis of benzoimidazo[1,2-a]imidazolones." Chemical Communications 52, no. 39 (2016): 6621–24. http://dx.doi.org/10.1039/c6cc01828a.

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A highly efficient synthesis of benzoimidazo[1,2-a]imidazolone through a novel oxidative 5-exo-dig cyclization-ketonization cascade of 2-aminobenzimidazole, aldehyde and terminal alkyne has been explored under aerobic conditions.
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30

Aljameel, Suhailah S., Houda M. Fataftah, Soheir N. Abd El-Rahman, Asma, M. Elsharif, A. Hafiane, and Madiha Kamoun. "Ultrasound Synthesis of Benzimidazolo-1,3,5-Triazine Derivatives and Their Anti-Histamine and Anti-Diabetic Activities." Oriental Journal Of Chemistry 35, no. 4 (2019): 1368–76. http://dx.doi.org/10.13005/ojc/350417.

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The present work aims to evaluate the anti-diabetic and anti-histamine activity of the synthesized benzimidazolo-1,3,5- triazine derivatives. These newly products have been synthesized under ultrasound irradiation with good yields and their structures were established by spectral data. The amylase inhibition assay and diclorofenac were used to evaluate the antidiabetic and antihistamine of all synthesized derivatives, respectively. It was shown that compounds 3c and 3e give the best of inhibition results of the amylase enzyme with respect to 2-aminobenzimidazole and other derivatives at a conc
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31

Kalhor, Mehdi, Sima Samiei та S. Ahmad Mirshokraei. "Facile one-pot synthesis of novel N-benzimidazolyl-α-arylnitrones catalyzed by salts of transition metals". RSC Advances 9, № 71 (2019): 41851–60. http://dx.doi.org/10.1039/c9ra08570j.

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A novel series of N-benzimidazol-2-yl-α-aryl nitrones 3a–j is synthesized via one-pot condensation/oxidation of 2-aminobenzimidazole, an aromatic aldehyde and m-CPBA as an effective oxidant using Mn(NO<sub>3</sub>)<sub>2</sub>·6H<sub>2</sub>O as an efficient catalyst.
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32

Xing, Fei, Mengying Zhang, Ziqi Wang, Guohua Sun, Hongqing Niu, and Dezhen Wu. "The introduction of benzimidazole and ether moieties into poly(p-phenylene terephthalamide): effects on its microstructure, interactions and properties." RSC Advances 9, no. 58 (2019): 33664–73. http://dx.doi.org/10.1039/c9ra07335c.

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Co-poly(p-phenylene terephthalamide) fibers containing 4,4′-oxidianiline and 2-(4-aminophenyl)-5-aminobenzimidazole in terephthaloyl chloride and p-phenylene diamine were prepared via a wet spinning method, followed by water washing and drawing at high temperature.
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33

Maiboroda, E. I., and V. N. Britsun. "Cyclocondensation of N-aryl-3-oxobutanethioamides with 2-aminoimidazole and 2-aminobenzimidazole." Russian Journal of Organic Chemistry 44, no. 8 (2008): 1200–1204. http://dx.doi.org/10.1134/s1070428008080162.

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34

Abdelhamid, Ismail, Ahmed Elwahy, and Hadeer Diab. "ZnO-Nanoparticles-Catalyzed Synthesis of Poly(tetrahydrobenzimidazo[2,1-b]quinazolin-1(2H)-ones) as Novel Multi-armed Molecules." Synlett 29, no. 12 (2018): 1627–33. http://dx.doi.org/10.1055/s-0037-1609967.

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A new series of poly(tetrahydrobenzimidazo[2,1-b]-quinazolin-1(2H)-ones) was synthesized in good yields using a multicomponent reaction of poly(aldehydes), dimedone, and 2-aminobenzimidazole in DMF under conventional heating as well as under microwave irradiation.
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35

Baeza, Alejandro, Paz Trillo, Melania Gómez-Martínez, and Diego Alonso. "2-Aminobenzimidazole Organocatalyzed Asymmetric Amination of Cyclic 1,3-Dicarbonyl Compounds." Synlett 26, no. 01 (2014): 95–100. http://dx.doi.org/10.1055/s-0034-1379494.

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36

Nguyen, T. Vu, Matthew T. Peszko, Roberta J. Melander, and Christian Melander. "Using 2-aminobenzimidazole derivatives to inhibit Mycobacterium smegmatis biofilm formation." MedChemComm 10, no. 3 (2019): 456–59. http://dx.doi.org/10.1039/c9md00025a.

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37

Lipson, V. V., S. M. Desenko, S. V. Shishkina, M. G. Shirobokova, O. V. Shishkin, and V. D. Orlov. "Cyclocondensation of 2-Aminobenzimidazole with Dimedone and Its Arylidene Derivatives." Chemistry of Heterocyclic Compounds 39, no. 8 (2003): 1041–47. http://dx.doi.org/10.1023/b:cohc.0000003522.71893.77.

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38

Nawrocka, Wanda, Barbara Sztuba, Maria W. Kowalska, et al. "Synthesis and antiproliferative activity in vitro of 2-aminobenzimidazole derivatives." Il Farmaco 59, no. 2 (2004): 83–91. http://dx.doi.org/10.1016/j.farmac.2003.12.001.

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39

Angelova, Silvia E., Milena I. Spassova, Vera V. Deneva, Marin I. Rogojerov, and Liudmil M. Antonov. "Aggregation of 2-Aminobenzimidazole-A Combined Experimental and Theoretical Investigation." ChemPhysChem 12, no. 9 (2011): 1747–55. http://dx.doi.org/10.1002/cphc.201100002.

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40

Ayala, Vanesa, Dulce M. Muñoz, Ángel E. Lozano, José G. de la Campa, and Javier de Abajo. "Synthesis, characterization, and properties of new sequenced poly(ether amide)s based on 2-(4-aminophenyl)-5-aminobenzimidazole and 2-(3-aminophenyl)-5-aminobenzimidazole." Journal of Polymer Science Part A: Polymer Chemistry 44, no. 4 (2006): 1414–23. http://dx.doi.org/10.1002/pola.21260.

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41

Podchezertseva, K. V., T. M. Zamaraeva, N. V. Slepova, and M. V. Dmitriev. "Synthesis and Structure of Ethyl 4-Aryl-2-oxo-2,3,4,10-tetrahydrobenzo[4,5]imidazo[1,2-<i>a</i>]pyrimidine-3-carboxylates." Žurnal obŝej himii 94, no. 6 (2024): 699–704. http://dx.doi.org/10.31857/s0044460x24060034.

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Ethyl 4-aryl-2-oxo-2,3,4,10-tetrahydrobenzo[4,5]imidazo[1,2-a]pyrimidine-3-carboxylates were prepared by three-component one-pot condensation of diethylmalonate, aromatic aldehyde, 2-aminobenzimidazole in ethanol in the presence of piperidine. The structure of the obtained compounds was determined by 1H, 13С NMR spectroscopy and single crystal X-ray diffraction analysis.
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42

Meany, Fiach B., Sarah O’Rourke, and Paul V. Murphy. "1-Tosyl-6-vinyl-4,5,6,7-tetrahydro-1H-benzo [d] imidazole-2-amine." Molbank 2021, no. 3 (2021): M1262. http://dx.doi.org/10.3390/m1262.

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The alkene functionalised 2-aminobenzimidazole ring found in terrazoanthine natural products was synthesized in 3 steps from 1,2-epoxy-4-vinylcyclohexane via epoxide ring opening with toluenesulphonamide yielding 2 regioisomeric, separable amino alcohols. One isomer was oxidized to the corresponding ketone and subsequently condensed with cyanamide to furnish the title compound, which was characterized by 1H-NMR and 13C-NMR spectroscopy.
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43

Hassaneen, Huwaida M. E., Enas M. Awad, and Hamdi M. Hassaneen. "Studies with 6,7-Dimethoxy-3,4-dihydroisoquinolin-1-yl-acetonitrile: Novel Syntheses of 1-Azolyl- and Pyridoisoquinolines." Zeitschrift für Naturforschung B 62, no. 1 (2007): 111–16. http://dx.doi.org/10.1515/znb-2007-0116.

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The reaction of 3,4-dihydroisoquinolin-1-yl-acetonitrile with DMFDMA afforded the enaminonitrile 5. Compound 5 was reacted with 2-aminobenzimidazole to yield 4-amino-3-(dihydroisoquinolin- 1-yl)-benzo[4,5]imidazo[1,2-a]pyrimidine (11) and with acetonitrile derivatives to afford pyrido[2,1- a]isoquinolines (15a - g).
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44

Abu Sheikha, Ghassan, Buthina Hussin, Yusuf Al-Hiari, Tariq Al-Qirim, and Ghassan Shattat. "Synthesis of Benzothiophene Carboxamide Derivatives and their Pharmacological Evaluation as Potent Antihypertriglyceridemic Agents in Rats." Zeitschrift für Naturforschung C 66, no. 3-4 (2011): 93–103. http://dx.doi.org/10.1515/znc-2011-3-402.

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Benzothiophene carboxamide derivatives of aminobenzophenone, aminopyridine, aminobenzimidazole, and aniline derivatives (compounds 1 - 9) were synthesized and compounds 3, 6, 7, 8, and 9 tested in vivo for their hypolipidemic activity. Compounds 1 - 8 were prepared adopting the fusion process at 130 - 150°C between benzothiophene-2-carbonyl chloride and aminobenzophenones, aminopyridine, and anilines, respectively, and were obtained in high yield, while compound 9 was obtained from the reaction of benzothiophene acyl chloride with aminobenzimidazole in DMF at 160°C. At a dose of 15 mg/kg body
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45

Salomón-Santiago, Carmen, Gastón Perdomo, Henoc Flores-Segura, Rafael Notario, and E. Orozco-Guareño. "Experimental and theoretical thermochemical studies of imidazole, imidazole-2-carboxaldehyde and 2-aminobenzimidazole." Thermochimica Acta 693 (November 2020): 178756. http://dx.doi.org/10.1016/j.tca.2020.178756.

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46

Kosmacheva, L. P., R. F. Ambartsumova, and E. G. Mil'grom. "Stability of 2-aminobenzoxazole and 2-aminobenzimidazole heterocycles in reactions with propylene oxide." Chemistry of Heterocyclic Compounds 36, no. 8 (2000): 993–95. http://dx.doi.org/10.1007/bf02256988.

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47

BAG, S. K., S. B. CHAKRABORTY, A. ROY, and S. R. CHAUDHURI. "2-aminobenzimidazole as corrosion inhibitor for 70-30 brass in ammonia." British Corrosion Journal 31, no. 3 (1996): 207–12. http://dx.doi.org/10.1179/bcj.1996.31.3.207.

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48

Gergely, Máté, Attila Bényei, and László Kollár. "2-Aminobenzimidazole and -benzoxazole as N-nucleophile in palladium-catalysed aminocarbonylation." Tetrahedron 76, no. 14 (2020): 131079. http://dx.doi.org/10.1016/j.tet.2020.131079.

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49

Coon, Timothy, Wilna J. Moree, Binfeng Li, et al. "Brain-penetrating 2-aminobenzimidazole H1-antihistamines for the treatment of insomnia." Bioorganic & Medicinal Chemistry Letters 19, no. 15 (2009): 4380–84. http://dx.doi.org/10.1016/j.bmcl.2009.05.086.

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50

Yavari, Issa, Azam Sheikhi, Manijeh Nematpour, and Zohreh Taheri. "Synthesis of Functionalized N-Sulfonylamidines from N-Sulfonylketenimines and 2-Aminobenzimidazole." Synthetic Communications 45, no. 9 (2015): 1089–93. http://dx.doi.org/10.1080/00397911.2014.974613.

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