I2/CF3CO2Ag-mediated iodolactonization of various allenoic acids to access versatile 6- to 9-membered ring vinylic iodolactones
Org. Biomol. Chem., 2024, Accepted Manuscript DOI: 10.1039/D4OB00061G, PaperXiaobo Bao, Guoli Wang, Xu Dong, Mengxiao Zhu, Lili Yang, Junjie Zhu, Qingyuan Shi, Hongzhen Zhang, Dongyin Chen Medium-sized lactones are important structural units, but their synthesis remains a great challenge. Herein, we report I2/CF3CO2Ag-mediated iodolactonization of allenoic acids to synthesize various 6- to 9-membered ring vinylic iodolactones... The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - Organic and Biomolecular Chemistry)
Source: RSC - Organic and Biomolecular Chemistry - February 24, 2024 Category: Molecular Biology Authors: Xiaobo Bao Source Type: research

Additive-Assisted Synthesis of α-Kdo Glycosides with Peracetylated Glycosyl Ynenoate as Donor
Org. Biomol. Chem., 2024, Accepted Manuscript DOI: 10.1039/D4OB00182F, CommunicationHe Miao, Siqian Lu, Hongyu Chen, Jintao Shang, Jibin Zheng, You Yang A DMF-modulated glycosylation approach for the stereoselective synthesis of α-Kdo glycosides with readily accessible peracetylated Kdo ynenoate as donor was described. By utilizing this approach, we completed the synthesis of... The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - Organic and Biomolecular Chemistry)
Source: RSC - Organic and Biomolecular Chemistry - February 24, 2024 Category: Molecular Biology Authors: He Miao Source Type: research

Copper-catalyzed oxidative cyclization of 2-(1H-pyrrol-1-yl)aniline and alkylsilyl peroxides: a route to pyrrolo[1,2-a]quinoxalines
Org. Biomol. Chem., 2024, Accepted Manuscript DOI: 10.1039/D3OB01934A, CommunicationZhenyu An, Man Miao, Fengkai Sun, Xiaobing Lan, Jianqiang Yu, Xiaoli Guo, Jian Zhang An efficient and convenient method was developed for the one-pot construction of pyrrolo[1,2-a]quinoxalines via a Cu(II)-catalyzed domino reaction between 2-(1H-pyrrol-1-yl)anilines and alkylsilyl peroxides. This reaction proceeds through C –C bonds cleavage... The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - Organic and Biomolecular Chemistry)
Source: RSC - Organic and Biomolecular Chemistry - February 24, 2024 Category: Molecular Biology Authors: Zhenyu An Source Type: research

Δ-Keto-acid/hydroxy-lactone isomerization in some lichen depsides, depsidones and diphenyl ethers
This article is licensed under aCreative Commons Attribution-NonCommercial 3.0 Unported Licence.Philippe Uriac, Solenn Ferron, Philippe Jehan, Thierry Roisnel, Sophie Tomasi NMR spectroscopy and reactivity studies of seven lichens metabolites showed that the substituent in C2 ′ controls the δ-keto-acid(ka)/hydroxy-lactone(hl) equilibrium:  ka is obtained with an H-bond acceptor (OCH3) and  hl with an H-bond donor (OH). To cite this article before page numbers are assigned, use the DOI form of citation above. The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - Organic and Biomolecular Chemistry)
Source: RSC - Organic and Biomolecular Chemistry - February 23, 2024 Category: Molecular Biology Authors: Philippe Uriac Source Type: research

Facile Friedel –Crafts alkylation of arenes under solvent-free conditions
Org. Biomol. Chem., 2024, Advance Article DOI: 10.1039/D4OB00162A, CommunicationFeijing Chen, Xiao-Xiao Zhao, Hao-Tian Zhang, Yan-Na Ma, Xuenian Chen Herein, we developed an efficient HOTf-promoted Friedel –Crafts alkylation reaction of broad arenes with α-aryl-α-diazoesters under metal-free and solvent-free conditions. To cite this article before page numbers are assigned, use the DOI form of citation above. The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - Organic and Biomolecular Chemistry)
Source: RSC - Organic and Biomolecular Chemistry - February 23, 2024 Category: Molecular Biology Authors: Feijing Chen Source Type: research

C –H activation-initiated spiroannulation reactions and their applications in the synthesis of spirocyclic compounds
Org. Biomol. Chem., 2024, Advance Article DOI: 10.1039/D3OB02056H, Review ArticleQianting Zhou, Bin Li, Xinying Zhang, Xuesen Fan This review summarizes the most recent progress made in C –H bond activation-initiated spiroannulation reactions and their applications in the construction of structurally diverse and biologically valuable spirocyclic scaffolds. To cite this article before page numbers are assigned, use the DOI form of citation above. The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - Organic and Biomolecular Chemistry)
Source: RSC - Organic and Biomolecular Chemistry - February 23, 2024 Category: Molecular Biology Authors: Qianting Zhou Source Type: research

Aggregation Induced Emission and Volatile Acid Vapour Sensing in Acridine Appended Poly (Aryl Ether) Based Low Molecular Weight Organogelator
Org. Biomol. Chem., 2024, Accepted Manuscript DOI: 10.1039/D3OB01945D, PaperSrikanta Kumar Patra, Malay Krishna Mahato, Prasad Edamana Considerable research attention has been devoted to the development of portable and rapid fluorescence sensors that can selectively detect volatile acids due to the harmful effects of acid vapour on... The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - Organic and Biomolecular Chemistry)
Source: RSC - Organic and Biomolecular Chemistry - February 23, 2024 Category: Molecular Biology Authors: Srikanta Kumar Patra Source Type: research

Metal-Free Synthesis of Propargylamines via Light-Mediated Persulfate Activation and Phase-Transfer Catalysis
We present a metal-free method to synthesize secondary and tertiary propargylamines from primary and secondary amines and alkynes using light-mediated persulfate activation and phase-transfer catalysis. Our method explores a tandem... The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - Organic and Biomolecular Chemistry)
Source: RSC - Organic and Biomolecular Chemistry - February 23, 2024 Category: Molecular Biology Authors: Cesar Augusto Denadai Zaragoza Source Type: research

Swieteliacates S –U, phragmalin limonoids, from the leaves of Swietenia macrophylla
Org. Biomol. Chem., 2024, Advance Article DOI: 10.1039/D3OB02113K, CommunicationYun-Peng Sun, Zhe Xie, Wen-Fang Jin, Ying-Wei Liu, Li-Juan Sun, Jin-Song Liu, Guo-Kai Wang Three novel phragmalin-class limonoids (1 –3) along with four known analogues were isolated and identified from the leaves ofS. macrophylla. To cite this article before page numbers are assigned, use the DOI form of citation above. The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - Organic and Biomolecular Chemistry)
Source: RSC - Organic and Biomolecular Chemistry - February 23, 2024 Category: Molecular Biology Authors: Yun-Peng Sun Source Type: research

Synthesis of Trifluoroethoxy/Aryloxy Cinnolines, Cinnolinones and Indazoles from o-Alkynylanilines via Metal-Free Diazotization Reagent
Org. Biomol. Chem., 2024, Accepted Manuscript DOI: 10.1039/D4OB00058G, PaperMadan Kumar, Avijit Goswami A facile and user-friendly protocol for the synthesis of trifluoroethoxy/aryloxy cinnolines, cinnolinones and indazoles from o-alkynylaniline has been developed using metal free diazotization reagent (combination of BF3 ·OEt2 and TBN) in... The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - Organic and Biomolecular Chemistry)
Source: RSC - Organic and Biomolecular Chemistry - February 22, 2024 Category: Molecular Biology Authors: Madan Kumar Source Type: research

Tetraquinolines; Four Linked Quinoline Units or Porphyrinoids
Org. Biomol. Chem., 2024, Accepted Manuscript DOI: 10.1039/D3OB01616A, PaperZahra Badri, Farnoush Nouri, Cina Foroutan-Nejad Tetraquinolines (TEQs) have been recently synthesized and proposed to be a new member of the porphyrinoids family with highly distorted, nonplanar, geometries. In this contribution by studying several molecules, closely... The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - Organic and Biomolecular Chemistry)
Source: RSC - Organic and Biomolecular Chemistry - February 22, 2024 Category: Molecular Biology Authors: Zahra Badri Source Type: research

Montmorillonite-catalysed coupling reactions: a green overview
Org. Biomol. Chem., 2024, Advance Article DOI: 10.1039/D3OB01791E, Review ArticleSuresh Meenakshy, Mohan Neetha, Gopinathan Anilkumar Montmorillonite clay possesses fascinating properties that make it a potential catalyst, and herein we offer a comprehensive overview of diverse coupling reactions catalysed by montmorillonite clay. To cite this article before page numbers are assigned, use the DOI form of citation above. The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - Organic and Biomolecular Chemistry)
Source: RSC - Organic and Biomolecular Chemistry - February 21, 2024 Category: Molecular Biology Authors: Suresh Meenakshy Source Type: research

Chemical synthesis of the 6-deoxy-D-talose containing tetrasaccharide repeating unit of the O-specific polysaccharide from Enterobacter cloacae G3422 in the form of its 2-aminoethyl glycoside
Org. Biomol. Chem., 2024, Accepted Manuscript DOI: 10.1039/D4OB00183D, PaperSubrata Das, Sanajit Maiti, Balaram Mukhopadyay Chemical synthesis of the tetrasaccharide repeating unit of the O-specific polysaccharide from Enterobacter cloacae G3422 is reported. The synthesis of the target tetrasaccharide is achieved through a convergent [2+2]-block strategy.... The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - Organic and Biomolecular Chemistry)
Source: RSC - Organic and Biomolecular Chemistry - February 21, 2024 Category: Molecular Biology Authors: Subrata Das Source Type: research

A Thiol-ene Mediated Approach for Peptide Bioconjugation Using ‘Green’ Solvents under Continuous Flow.
This article is licensed under aCreative Commons Attribution 3.0 Unported Licence.In és Rabadán González, Joshua T. McLean, Nikita Ostrovitsa, Sheila Fitzgerald, Andrea Mezzetta, Lorenzo Guazzelli, Donal O'Shea, Eoin M Scanlan Flow chemistry has emerged as an integral process within the chemical sector permitting energy efficient synthetic scale-up while improving safety and minimising solvent usage. Herein, we report the first applications... The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - Organic and Biomolecular Chemistry)
Source: RSC - Organic and Biomolecular Chemistry - February 21, 2024 Category: Molecular Biology Authors: In és Rabadán González Source Type: research

Synthesis of Aminoalcohols from Substituted Alkenes via Tungstenooxaziridine Catalysis
This article is licensed under aCreative Commons Attribution-NonCommercial 3.0 Unported Licence.Rufai Madiu, Brandon Dellosso, Erin L Doran, Jenna M Doran, Ali Pinarci, Tyler TenHoeve, Amari M Howard, James L Stroud, Dominic A Rivera, Dylan A Moskovitz, Steven j Finneran, Alyssa N Singer, Morgan E Rossi, Gustavo Moura-Letts Herein we report the WO2Dipic promoted oxyamination of alkenes using sulfonamides as the quantitative source of N. The reaction works for activated and unactivated alkenes in high yields, diastereoselectivities and... The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - Organic...
Source: RSC - Organic and Biomolecular Chemistry - February 21, 2024 Category: Molecular Biology Authors: Rufai Madiu Source Type: research