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Journal articles on the topic '2-b]carbazoles'

Author: Grafiati

Published: 4 June 2021

Last updated: 18 February 2022

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1

Irgashev, Roman A., Nikita A. Kazin, Gennady L. Rusinov, and Valery N. Charushin. "Nitration of 5,11-dihydroindolo[3,2-b]carbazoles and synthetic applications of their nitro-substituted derivatives." Beilstein Journal of Organic Chemistry 13 (July 14, 2017): 1396–406. http://dx.doi.org/10.3762/bjoc.13.136.

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A new general approach to double nitration of 6,12-di(hetero)aryl-substituted and 6,12-unsubstituted 5,11-dialkyl-5,11-dihydroindolo[3,2-b]carbazoles by acetyl nitrate has been developed to obtain their 2,8-dinitro and 6,12-dinitro derivatives, respectively. A formation of mono-nitro derivatives (at C-2 or C-6) from the same indolo[3,2-b]carbazoles has also been observed in several cases. Reduction of 2-nitro and 2,8-dinitro derivatives with zinc powder and hydrochloric acid has afforded 2-amino- and 2,8-diamino-substituted indolo[3,2-b]carbazoles, while reduction of 6,12-dinitro derivatives u

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2

Gao, Wentao, Meiru Zheng, and Yang Li. "A novel and facile synthesis of 3-(2-benzofuroyl)- and 3,6-bis(2-benzofuroyl)carbazole derivatives." Beilstein Journal of Organic Chemistry 7 (November 17, 2011): 1533–40. http://dx.doi.org/10.3762/bjoc.7.180.

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A facile synthesis of hitherto unreported 3-(2-benzofuroyl)carbazoles 3a–k, 3,6-bis(2-benzofuroyl)carbazoles 5a–k, and naphtho[2,1-b]furoylcarbazoles 3l and 5l is described. The synthesis mainly relies on the ultrasound-assisted Rap–Stoermer reaction of 3-chloroacetyl- (1) or 3,6-dichloroacetyl-9-ethyl-9H-carbazole (4) with various salicylaldehydes 2a–k as well as 2-hydroxy-1-naphthaldehyde (2l) in CH3CN with the presence of PEG-400 as catalyst. The procedure offers easy access to benzofuroylcarbazoles in short reaction times and the products are obtained in moderate to good yields.

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3

Li, Deng-Yuan, An Wang, Xiao-Ping Zhu, Wei Feng, and Pei-Nian Liu. "Direct access to substituted benzo[b]carbazoles through cascade annulation of 2-vinylbenzaldehydes with indoles." Chemical Communications 55, no. 23 (2019): 3339–42. http://dx.doi.org/10.1039/c8cc10253h.

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A highly efficient palladium-catalyzed cascade annulation of 2-vinylbenzaldehydes with indoles has been achieved to afford 6-(3-indolyl)benzo[b]carbazoles under mild conditions in good yield and with excellent regioselectivity.

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4

Khan, Maria Aqeel, Saba Fazal-ur-Rehman, Abdul Hameed, et al. "Regioselective synthesis of novel 2,3,4,4a-tetrahydro-1H-carbazoles and their cholinesterase inhibitory activities." RSC Advances 5, no. 73 (2015): 59240–50. http://dx.doi.org/10.1039/c5ra10461k.

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5

Srour, Hassan, Thu-Hong Doan, Elisabeth Da Silva, Richard J. Whitby, and Bernhard Witulski. "Synthesis and molecular properties of methoxy-substituted diindolo[3,2-b:2′,3′-h]carbazoles for organic electronics obtained by a consecutive twofold Suzuki and twofold Cadogan reaction." Journal of Materials Chemistry C 4, no. 26 (2016): 6270–79. http://dx.doi.org/10.1039/c6tc02009g.

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A set of methoxy-substituted diindolo[3,2-b:2′,3′-h]carbazoles has been synthesized by twofold Suzuki–Miyaura, Cadogan andN-alkylation reactions starting fromN-hexyl-2,7-dibromo-3,6-dinitro carbazole.

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6

Dmitriev, Artem V., Azat R. Yusupov, Roman A. Irgashev, et al. "Electron-hole mobility in 6,12-di(2-thienyl)indolo[3,2-b]carbazoles." Mendeleev Communications 26, no. 6 (2016): 516–17. http://dx.doi.org/10.1016/j.mencom.2016.11.019.

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7

ESTEVEZ, J., R. J. ESTEVEZ, and L. CASTEDO. "ChemInform Abstract: A New, Simple, Efficient Synthesis of Benzo(b)carbazoles and Indeno(1, 2-b)indoles." ChemInform 25, no. 16 (2010): no. http://dx.doi.org/10.1002/chin.199416152.

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8

Gribble, G. W. "Novel chemistry of indole in the synthesis of heterocycles." Pure and Applied Chemistry 75, no. 10 (2003): 1417–32. http://dx.doi.org/10.1351/pac200375101417.

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Indoles that are substituted at the 2- or 3-position with electron-withdrawing groups (nitro, phenylsulfonyl) undergo nucleophilic addition, 1,3-dipolar cycloaddition, and Diels–Alder reactions to give a variety of indoles, pyrroloindoles, and carbazoles. New methods for the synthesis of furo[3,4-b]indoles and the novel ring system furo[3,4-b]pyrrole are described for the first time. Diels–Alder reactions of furo[3,4-b]pyrroles afford indoles after dehydration of the primary cycloadducts. Efficient syntheses of both 2- and 3-nitroindoles from indole are reported, and the first generation and s

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9

Katritzky, Alan R., Jianqing Li, and Christian V. Stevens. "Facile Synthesis of 2-Substituted Indoles and Indolo[3,2-b]carbazoles from 2-(Benzotriazol-1-ylmethyl)indole." Journal of Organic Chemistry 60, no. 11 (1995): 3401–4. http://dx.doi.org/10.1021/jo00116a026.

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10

Santoso, Mardi, Naresh Kumar, and David StClair Black. "Some acid-catalysed reactions of indol-3-yl and indol-2-yl disubstituted methanols." Collection of Czechoslovak Chemical Communications 74, no. 7-8 (2009): 1137–50. http://dx.doi.org/10.1135/cccc2009023.

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1-Substituted indol-3-yl and indol-2-yl disubstituted methanols do not undergo acid-catalysed trimerisation to yield indolocyclotriveratrylenes, unlike the related primary 1-substituted indol-3-yl- and -2-ylmethanols. The 1-substituted indol-3-ylmethanols 10 and 11 gave diindol-3-ylmethanes 12 and 13, respectively, on treatment with p-toluenesulfonic acid in dichloromethane. In contrast, the indol-2-ylmethanols 22 and 23 gave the reduced indolo[3,2-b]carbazoles 24 and 25, respectively, on treatment with boron trifluoride etherate in benzene. An X-ray crystal structure of compound 24 is describ

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11

Dmitriyev, A. V., A. R. Yusupov, R. A. Irgashev, et al. "Electroluminescence and electron–hole mobility of 6,12-di(thien-2-il)indolo[3,2-b]carbazoles." Inorganic Materials: Applied Research 8, no. 1 (2017): 172–75. http://dx.doi.org/10.1134/s2075113317010105.

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12

KATRITZKY, A. R., J. LI, and C. V. STEVENS. "ChemInform Abstract: Facile Synthesis of 2-Substituted Indoles and Indolo(3,2-b)carbazoles from 2-(Benzotriazol-1-ylmethyl)indole." ChemInform 26, no. 45 (2010): no. http://dx.doi.org/10.1002/chin.199545140.

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13

LANCELOT, JEAN-CHARLES, JEAN-MARIE GAZENGEL, NGUYENHUY DUNG, and MAX ROBBA. "Synthesis of 3-amino-2-cyanocarbazole and 3,4-dihydro-4-oxo-6H-pyrimidino(5,4-b)carbazoles." CHEMICAL & PHARMACEUTICAL BULLETIN 33, no. 2 (1985): 842–46. http://dx.doi.org/10.1248/cpb.33.842.

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14

Irgashev, Roman A., Anton Yu Teslenko, Ekaterina F. Zhilina, et al. "Synthesis, photophysical and electrochemical properties of novel 6,12-di(thiophen-2-yl) substituted indolo[3,2-b]carbazoles." Tetrahedron 70, no. 31 (2014): 4685–96. http://dx.doi.org/10.1016/j.tet.2014.04.093.

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15

Dong, Jinhuan, Dawei Zhang, Yang Men, Xueming Zhang, Zhongyan Hu, and Xianxiu Xu. "[1 + 2 + 3] Annulation as a General Access to Indolo[3,2-b]carbazoles: Synthesis of Malasseziazole C." Organic Letters 21, no. 1 (2018): 166–69. http://dx.doi.org/10.1021/acs.orglett.8b03646.

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16

Saravanan, Velu, Thiyagarajan Mageshwaran, and Arasambattu K. Mohanakrishnan. "Synthesis of Cyclo[b]fused Carbazoles via SnCl4-Mediated Domino Reaction of 2-Indolylmethylpivalates with Arenes and Heteroarenes." Journal of Organic Chemistry 81, no. 18 (2016): 8633–46. http://dx.doi.org/10.1021/acs.joc.6b01646.

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17

Lafzi, Ferruh, Haydar Kilic, and Nurullah Saracoglu. "Protocols for the Syntheses of 2,2′-Bis(indolyl)arylmethanes, 2-Benzylated Indoles, and 5,7-Dihydroindolo[2,3-b]carbazoles." Journal of Organic Chemistry 84, no. 18 (2019): 12120–30. http://dx.doi.org/10.1021/acs.joc.9b02124.

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18

Shi, Chongsheng, and Kung K. Wang. "Generation of Biradicals and Subsequent Formation of Quinolines and 5H-Benzo[b]carbazoles fromN-[2-(1-Alkynyl)phenyl]ketenimines." Journal of Organic Chemistry 63, no. 10 (1998): 3517–20. http://dx.doi.org/10.1021/jo9804285.

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19

Irgashev, Roman A., Anton Yu Teslenko, Ekaterina F. Zhilina, et al. "ChemInform Abstract: Synthesis, Photophysical and Electrochemical Properties of Novel 6,12-Di(thiophen-2-yl) Substituted Indolo[3,2-b]carbazoles." ChemInform 45, no. 51 (2014): no. http://dx.doi.org/10.1002/chin.201451135.

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20

Nagase, Yuta, Takuhiro Miyamura, Kensuke Inoue, and Teruhisa Tsuchimoto. "Indium-catalyzed Annulation of Indoles with Ethyl (2-Ethynylaryl)methyl Carbonates: Synthesis and Photoluminescent Properties of Aryl- and Heteroaryl[b]carbazoles." Chemistry Letters 42, no. 10 (2013): 1170–72. http://dx.doi.org/10.1246/cl.130402.

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21

Baeckvall, Jan E., and Niklas A. Plobeck. "New synthesis of the 6H-pyrido[4,3-b]carbazoles ellipticine and olivacine via cycloaddition of 2-phenylsulfonyl 1,3-dienes to indoles." Journal of Organic Chemistry 55, no. 15 (1990): 4528–31. http://dx.doi.org/10.1021/jo00302a013.

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22

DORMOY, J. R., and A. HEYMES. "ChemInform Abstract: Industrial Synthesis of Ellipticines. Part 2. Elaboration of a Novel Route to 6H-Pyrido(4,3-b)carbazoles and Analogues. Part B. Synthesis of Tetracyclic Structures." ChemInform 24, no. 32 (2010): no. http://dx.doi.org/10.1002/chin.199332244.

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23

SHI, C., and K. K. WANG. "ChemInform Abstract: Generation of Biradicals and Subsequent Formation of Quinolines and 5H-Benzo[b]carbazoles from N-[2-(1-Alkynyl)phenyl]ketenimines." ChemInform 29, no. 38 (2010): no. http://dx.doi.org/10.1002/chin.199838119.

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24

Chen, Wenteng, Feng Luo, You Wu, Jie Cen, Jiaan Shao та Yongping Yu. "Efficient access to fluorescent benzofuro[3,2-b]carbazoles via TFA-promoted cascade annulations of sulfur ylides, 2-hydroxy-β-nitrostyrenes and indoles". Organic Chemistry Frontiers 7, № 6 (2020): 873–78. http://dx.doi.org/10.1039/d0qo00137f.

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25

Ferreira, C. F. R., Maria-João R. P. Queiroz, and Gilbert Kirsch. "Synthesis of new methylated thieno[2,3-a] and [3,2-b]carbazoles by reductive cyclization of 6-(2′-Nitrophenyl)benzo[b]thiophenes obtained by palladium-catalyzed cross-coupling isabel." Journal of Heterocyclic Chemistry 38, no. 3 (2001): 749–54. http://dx.doi.org/10.1002/jhet.5570380334.

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26

Irgashev, Roman A., Nikita A. Kazin, Gennady L. Rusinov, and Valery N. Charushin. "A convenient synthesis of new 5,11-dihydroindolo[3,2- b ]carbazoles bearing thiophene, 2,2′-bithiophene or 2,2′:5′,2″-terthiophene units at C-2 and C-8 positions." Tetrahedron Letters 58, no. 32 (2017): 3139–42. http://dx.doi.org/10.1016/j.tetlet.2017.06.085.

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27

Zhao, Zhongdong, Ashley Jaworski, Isabel Piel, and Victor Snieckus. "Anionic IndoleN-Carbamoyl N → C Translocation. A Directed remote Metalation Route to 2-Aryl- and 2-Heteroarylindoles. Synthesis of Benz[a]carbazoles and Indeno[1,2-b]indoles." Organic Letters 10, no. 13 (2008): 2617–20. http://dx.doi.org/10.1021/ol800307g.

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28

Zhang, Lin, Chun Li, Xunhua Lu, and Yuanyong Yang. "A Facile Synthesis of Indolo[2,3-b]carbazoles from the Reaction of Di(2-indolyl)methane and Aromatic Aldehydes Catalyzed by Oxalic Acid." HETEROCYCLES 96, no. 8 (2018): 1421. http://dx.doi.org/10.3987/com-18-13926.

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29

Nagase, Yuta, Takuhiro Miyamura, Kensuke Inoue, and Teruhisa Tsuchimoto. "ChemInform Abstract: Indium-Catalyzed Annulation of Indoles with Ethyl (2-Ethynylaryl)methyl Carbonates: Synthesis and Photoluminescent Properties of Aryl- and Heteroaryl[b]carbazoles." ChemInform 45, no. 46 (2014): no. http://dx.doi.org/10.1002/chin.201446146.

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30

BAECKVALL, J. E., and N. A. PLOBECK. "ChemInform Abstract: New Synthesis of the 6H-Pyrido(4,3-b)carbazoles Ellipticine and Olivacine via Cycloaddition of 2-Phenylsulfonyl 1,3-Dienes to Indoles." ChemInform 22, no. 1 (2010): no. http://dx.doi.org/10.1002/chin.199101339.

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31

Ferreira, Isabel C. F. R., Maria-Joao R. P. Queiroz, and Gilbert Kirsch. "ChemInform Abstract: Synthesis of New Methylated Thieno[2,3-a] and [3,2-b]Carbazoles by Reductive Cyclization of 6-(2′-Nitrophenyl)benzo[b]thiophenes Obtained by Palladium-Catalyzed Cross-Coupling." ChemInform 32, no. 43 (2010): no. http://dx.doi.org/10.1002/chin.200143126.

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32

Li, Qiuyun, Yanwei Wang, Bin Li, and Baiquan Wang. "Cp*Co(III)-Catalyzed Regioselective Synthesis of Cyclopenta[b]carbazoles via Dual C(sp2)–H Functionalization of 1-(Pyridin-2-yl)-indoles with Diynes." Organic Letters 20, no. 24 (2018): 7884–87. http://dx.doi.org/10.1021/acs.orglett.8b03438.

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33

Xue, Wei-jian, Qing-He Gao, and An-xin Wu. "Molecular iodine mediated oxidative cross-coupling of sp3 C–H with sp2 C–H: direct synthesis of substituted indolo[2,3-b]carbazoles via formal [2+2+1+1] cyclization." Tetrahedron Letters 56, no. 51 (2015): 7115–19. http://dx.doi.org/10.1016/j.tetlet.2015.11.026.

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34

Xue, Wei-jian, Qing-He Gao, and An-xin Wu. "ChemInform Abstract: Molecular Iodine Mediated Oxidative Cross-Coupling of sp3C-H with sp2C-H: Direct Synthesis of Substituted Indolo[2,3-b]carbazoles via Formal [2 + 2 + 1 + 1] Cyclization." ChemInform 47, no. 15 (2016): no. http://dx.doi.org/10.1002/chin.201615126.

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35

Pindur, Ulf, Myung Hwa Kim, Martina Rogge, Werner Massa, and Michel Molinier. "New Diels-Alder reactions of (E/Z)-2'-methoxy-substituted 3-vinylindoles with carbo- and heterodienophiles: regio- and stereoselective access to [b]-annelated indoles and functionalized or [a]-annelated carbazoles." Journal of Organic Chemistry 57, no. 3 (1992): 910–15. http://dx.doi.org/10.1021/jo00029a023.

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36

PINDUR, U., M. H. KIM, M. ROGGE, W. MASSA, and M. MOLINIER. "ChemInform Abstract: New Diels-Alder Reactions of E/Z-2′-Methoxy-Substituted 3-Vinylindoles with Carbo- and Heterodienophiles: Regio- and Stereoselective Access to (b)Annelated Indoles and Functionalized or (a)Annelated Carbazoles." ChemInform 23, no. 26 (2010): no. http://dx.doi.org/10.1002/chin.199226067.

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37

Irgashev, Roman A., Nikita A. Kazin, Gennady L. Rusinov, and Valery N. Charushin. "An improved protocol for the preparation of 5,11-dialkyl-6,12-di(hetero)aryl-5,11-dihydroindolo[3,2-b]carbazoles and synthesis of their new 2,8-dicyano- / 2,8-bis(benzo[d]thiazol-2-yl)-substituted derivatives." Arkivoc 2018, no. 5 (2018): 203–20. http://dx.doi.org/10.24820/ark.5550190.p010.557.

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38

Yudina, Larisa N., and Jan Bergman. "Synthesis and alkylation of indolo[3,2-b]carbazoles." Tetrahedron 59, no. 8 (2003): 1265–75. http://dx.doi.org/10.1016/s0040-4020(03)00029-2.

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39

Cuong, Nguyen Manh, Heike Wilhelm, Andrea Porzel, and Ludger Wessjohann. "First Synthesis of Dimethyl-1H-Isochromeno[3,4-b]Carbazoles." Natural Product Communications 4, no. 7 (2009): 1934578X0900400. http://dx.doi.org/10.1177/1934578x0900400708.

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The first synthesis of isochromene fused carbazols, (4a S, 13b R)-2,5,5-trimethyl-3,4,4a,5,8,13b-hexahydroisochromeno[3,4-b]carbazole (2) and its epi-isomer 3 by condensation of citral and 2-hydroxycarbazole using Ti(OEt)4 and MeAlCl2 as catalysts is described.

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40

Chunchatprasert, Laddawan, and Patrick V. R. Shannon. "Acid-catalysed Condensation of Ethyl 5-Acetoxymethyl-4-acetyl-3-methylpyrrole-2-carboxylate and its Analogues with Aromatic Substrates." Journal of Chemical Research 23, no. 6 (1999): 352–53. http://dx.doi.org/10.1177/174751989902300604.

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41

Yaqub, Ghazala, Abdul Hannan, Erum Akbar, et al. "Synthesis, Antibacterial, and Antifungal Activities of Novel Pyridazino Carbazoles." Journal of Chemistry 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/818739.

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Strategy to synthesize novel carbazole, that is, 2,3-dihydro-2-phenyl-6H-pyridazino[4, 5-b]carbazole-1,4-dione (2), is developed as key reaction. This novel compound showed ideal reactivity toward different functional groups like methyl, carboxylic, nitro, piperazine, and amine; thus series of its derivatives are synthesized sequentially with the aim to fuel up the carbazole compounds with new versatile derivatives. All compounds were investigated for their activity against bacteria (MRSA andS. typhi) and fungi (Candida albicans). Among tested compounds3,6, and8exhibited pronounced antibacteri

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42

Lassagne, Frédéric, Timothy Langlais, Elsa Caytan, et al. "From Quinoxaline, Pyrido[2,3-b]pyrazine and Pyrido[3,4-b]pyrazine to Pyrazino-Fused Carbazoles and Carbolines." Molecules 23, no. 11 (2018): 2961. http://dx.doi.org/10.3390/molecules23112961.

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2,3-Diphenylated quinoxaline, pyrido[2,3-b]pyrazine and 8-bromopyrido[3,4-b]pyrazine were halogenated in deprotometalation-trapping reactions using mixed 2,2,6,6-tetramethyl piperidino-based lithium-zinc combinations in tetrahydrofuran. The 2,3-diphenylated 5-iodo- quinoxaline, 8-iodopyrido[2,3-b]pyrazine and 8-bromo-7-iodopyrido[3,4-b]pyrazine thus obtained were subjected to palladium-catalyzed couplings with arylboronic acids or anilines, and possible subsequent cyclizations to afford the corresponding pyrazino[2,3-a]carbazole, pyrazino[2′,3′:5,6] pyrido[4,3-b]indole and pyrazino[2′,3′:4,5]p

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43

Hu, Nan-Xing, Shuang Xie, Zoran D. Popovic, Beng Ong, and Ah-Mee Hor. "Novel high Tg hole-transport molecules based on indolo[3,2-b]carbazoles for organic light-emitting devices." Synthetic Metals 111-112 (June 2000): 421–24. http://dx.doi.org/10.1016/s0379-6779(99)00387-2.

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44

Nguyen, Chi Hung, Émile Bisagni, and Jean-Marc Lhoste. "Synthèse de dérivés N-5 substitués des 5H-pyrido[4,3-b]benzo[f]indoles, isomères des 6H-pyrido[4,3-b]carbazoles (ellipticines)." Canadian Journal of Chemistry 64, no. 3 (1986): 545–51. http://dx.doi.org/10.1139/v86-087.

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2-Lithio dérivatives of 1-alkyl-4-chloropyrrolo[3,2-c]pyridines react with acetophenones, giving the corresponding tertiary alcohols. After déhydration into 1,1-diarylethylenes and subsequent reduction to 1,1 -diarylethanes, the synthesis of 1-chloro-5-alkyl-5H-pyrido[4,3-b]benzo[f]indoles was achieved either by direct cyclization with dichloromethylmethylether plus stannic chloride or by formylation and cyclodehydration with polyphosphoric acid. Finally, the substitution of the chlorine atom with dialkylaminoalkylamines leads to 1-amino substituted 5-alkyl-5H-pyrido[4,3-b]benzo[f]indoles, iso

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45

Gangadharan, Rajeswari, P. Narayanan, K. Sethusankar, Velu Saravanan, and Arasambattu K. Mohanakrishnan. "Crystal structures of three carbazole derivatives: 12-ethyl-7-phenylsulfonyl-7H-benzofuro[2,3-b]carbazole, (1), 2-(4,5-dimethoxy-2-nitrophenyl)-4-hydroxy-9-phenylsulfonyl-9H-carbazole-3-carbaldehyde, (2), and 12-phenyl-7-phenylsulfonyl-7H-benzofuro[2,3-b]carbazole, (3)." Acta Crystallographica Section E Crystallographic Communications 72, no. 12 (2016): 1744–50. http://dx.doi.org/10.1107/s2056989016016819.

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The three title compounds, C26H19NO3S, (1), C27H20N2O8S, (2), and C30H19NO3S, (3), are carbazole derivatives, where (1) and (3) are heterocycle-containing carbazoles with a benzofuran moiety fused to a carbazole unit. In (2), a dimethoxynitrophenyl ring is attached to the carbazole moiety. In the three derivatives, a phenylsulfonyl group is attached to the N atom of the carbazole unit. Compound (1) crystallizes with two independent molecules in the asymmetric unit (AandB). The carbazole skeleton in the three compounds is essentially planar. In compound (1), the benzene ring of the phenylsulfon

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46

Sangeetha, V., and K. J. Rajendra Prasad. "Syntheses of Novel Derivatives of 2-Acetylfuro[2,3-a]carbazoles, Benzo[1,2-b]-1,4-thiazepino[2,3-a]carbazoles and 1-Acetyloxycarbazole-2-carbaldehydes." ChemInform 37, no. 50 (2006). http://dx.doi.org/10.1002/chin.200650130.

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47

Sangeetha, V., and K. J. Rajendra Prasad. "Synthesis of Pyrimido Anellated Carbazoles and 2-Methyl-6-oxo-bisindolo[1,2-b:5,4-b′]cyclohexanones Using 2-Hydroxymethylene-1-oxo-1,2,3,4-tetrahydrocarbazoles." ChemInform 37, no. 34 (2006). http://dx.doi.org/10.1002/chin.200634154.

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48

LANCELOT, J. C., J. M. GAZENGEL, N. H. DUNG, and M. ROBBA. "ChemInform Abstract: Synthesis of 3-Amino-2-cyanocarbazole and 3,4-Dihydro-4-oxo-6H-pyrimidino-[5,4-b]carbazoles." Chemischer Informationsdienst 16, no. 29 (1985). http://dx.doi.org/10.1002/chin.198529241.

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LANCELOT, J. C., J. M. GAZENGEL, S. RAULT, N. H. DUNG, and M. ROBBA. "ChemInform Abstract: PYRROLO(1′,2′:1,2)PYRAZINO(6,5-C) AND (5,6-B)CARBAZOLES. SYNTHESIS AND STUDY OF NMR SPECTRA." Chemischer Informationsdienst 16, no. 20 (1985). http://dx.doi.org/10.1002/chin.198520233.

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Zhao, Zhongdong, Ashley Jaworski, Isabel Piel, and Victor Snieckus. "ChemInform Abstract: Anionic Indole N-Carbamoyl N→C Translocation. A Directed Remote Metalation Route to 2-Aryl- and 2-Heteroarylindoles. Synthesis of Benz[a]carbazoles and Indeno[1,2-b]indoles." ChemInform 39, no. 45 (2008). http://dx.doi.org/10.1002/chin.200845123.

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