Rhodium(II)-catalyzed transannulation approach to N-fluoroalkylated indoles

Org. Biomol. Chem., 2023, 21,7924-7927
DOI: 10.1039/D3OB01415K, Paper
Open Access Open Access
Creative Commons Licence  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Olga Bakhanovich, Blanka Klepetářová, Petr Beier
N-(Per)fluoroalkyl indoles are accessed by rhodium(II)-catalyzed transannulation of 4-cyclohexenyl 1,2,3-triazoles, followed by oxidation of the intermediate indolines.
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Efficient approach to 1,1′-bisindoles via copper(I)-catalyzed double domino reaction

Org. Biomol. Chem., 2023, 21,8003-8019
DOI: 10.1039/D3OB01231J, Paper
Ann-Kathrin Bauer, Jürgen Conrad, Uwe Beifuss
The CuI-catalyzed reaction between one 1,2-bis(2-bromoaryl)hydrazine moiety and two 1,3-diketones delivers substituted 1,1′-bisindoles with yields up to 92%.
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Oudemansin and 9-methoxystrobilurin derivatives with antimalarial activity from cultures of the basidiomycete Favolaschia minutissima: assignments of the absolute configurations of the isoprene-derived units

Org. Biomol. Chem., 2023, 21,7944-7953
DOI: 10.1039/D3OB01472J, Paper
Somporn Palasarn, Thapanee Pruksatrakul, Wilunda Choowong, Natthawut Wiriyathanawudhiwong, Thitiya Boonpratuang, Panida Surawatanawong, Chawanee Thongpanchang, Masahiko Isaka
Oudemansin and 9-methoxystrobilurin derivatives with potent antimalarial activity were isolated from cultures of the basidiomycete Favolaschia minutissima. A method for semisynthetic modification was demonstrated.
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Pd@GO catalyzed stereo- and regio-selective addition of arenes to alkynes and synthesis of coumarins via C–H functionalization

Org. Biomol. Chem., 2023, 21,7928-7934
DOI: 10.1039/D3OB01237A, Paper
Lenida Kyndiah, Fillip Kumar Sarkar, Sushmita Gajurel, Rajib Sarkar, Jasha Momo H. Anal, Amarta Kumar Pal
Pd@GO catalysed stereo- and regio-selective addition of arenes to alkynes via C–H bond functionalization and coumarin synthesis.
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Multicomponent cyclization with azides to synthesize N-heterocycles

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01115A, Review Article
Hong Guo, Bei Zhou, Jingjing Chang, Wenxu Chang, Jiyao Feng, Zhenhua Zhang
The review focus on multicomponent reactions of azides for the construction of N-heterocycles in recent 10 years.
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Studies on the [4 + 2] cycloaddition and allylic substitution of indole-fused zwitterionic π-allylpalladium

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01451G, Paper
Zhengyu Han, Yu Xue, Xiang Li, Xinzhe Hu, Xiu-Qin Dong, Jianwei Sun, Hai Huang
A new kind of indole-fused zwitterionic π-allylpalladium precursor compound has been designed and synthesized.
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A turn-on fluorescent probe for selective detection of H2S in environmental samples and bio-imaging in human breast cancer cells

Org. Biomol. Chem., 2023, 21,8020-8030
DOI: 10.1039/D3OB01319G, Paper
Dipanjan Banik, Anirban Karak, Satyajit Halder, Shilpita Banerjee, Moumi Mandal, Anwesha Maiti, Kuladip Jana, Ajit Kumar Mahapatra
A turn-on fluorescent probe TPB-NO2 was synthesized for rapid detection of H2S in environmental and biological samples. A bright cyan colour was observed due to the PET mechanism.
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A kinetics study of copper-catalysed click reactions in ionic liquids

Org. Biomol. Chem., 2023, 21,7984-7993
DOI: 10.1039/D3OB00237C, Paper
Diana Sloboda, Cameron C. Weber, Eduards Bakis
In this study, we discovered that both the structure of the ionic liquid and the catalyst exert a significant influence on the copper(I)-catalyzed azide–alkyne cycloaddition reaction rate.
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Visible-light-promoted organic-dye-catalyzed sulfonylation/cyclization to access indolo[2,1-a]isoquinoline derivatives

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01289A, Paper
Yucai Tang, Jinglin Duan, Biyu Yang, Yupeng He, Changyuan Du, Xiangyang Zhang
An efficient visible-light-promoted organic-dye-catalyzed radical cascade cyclization was developed for the rapid synthesis of sulfonyl-substituted indolo[2,1-a]isoquinolines and benzimidazo[2,1-a]isoquinolin-6(5H)-ones.
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