Category Archives: RSC – Org. Biomol. Chem.

Studies on the [4 + 2] cycloaddition and allylic substitution of indole-fused zwitterionic π-allylpalladium

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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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Pd@GO catalyzed stereo- and regio-selective addition of arenes to alkynes and synthesis of coumarins via C–H functionalization

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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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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

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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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Efficient approach to 1,1′-bisindoles via copper(I)-catalyzed double domino reaction

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

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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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A facile approach to phenothiazinones via catalytic aerobic oxidation: discovery of an antiproliferative agent

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Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01111A, Paper
Su-Hui Ji, Qian Wang, Yun-Rui Cai
A facile and robust synthesis of phenothiazinones with TEMPO-based catalytic system under an ambient atmosphere is presented.
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A safety-catch protecting group strategy compatible with Boc-chemistry for the synthesis of peptide nucleic acids (PNAs)

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Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01348K, Paper
Open Access Open Access
K. P. Nandhini, Sikabwe Noki, Edikarlos Brasil, Fernando Albericio, Beatriz G. de la Torre
The use of a safety-catch protecting scheme allows the synthesis of PNAs using the Boc as temporal protecting group.
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Phosphite–imidazole catalyzed N-formylation and N-acylation of amines

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Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01306E, Paper
Babak Kaboudin, Hesam Esfandiari, Meysam Kakavand, Masoumeh Sohrabi, Elahe Yousefian Amirkhiz, Abdollah Neshat, Teru Kawazoe, Haruhiko Fukaya, Hikaru Yanai
The N-formylation reaction of amines with DMF as a formylating agent was developed. N-Sulfonyl amidines were also obtained in good to excellent yields by the reaction of sulfonamides with DMF under similar conditions.
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