Formaldehyde surrogates in multicomponent reactions

Authors: Cecilia I. Attorresi, Javier A. Ramírez, Bernhard Westermann

Source: Beilstein Journal of Organic Chemistry, Vol 21, Iss 1, Pp 564-595 (2025)

Subject Terms: cascade reactions, formaldehyde surrogates, green chemistry, heterocycles, multicomponent reactions, Science, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://doaj.org/toc/1860-5397

Access URL: https://doaj.org/article/6bcfacd012f04fac85a5eb2a75f966a4

Synthesis of electrophile-tethered preQ1 analogs for covalent attachment to preQ1 RNA

Authors: Laurin Flemmich, Ronald Micura

Source: Beilstein Journal of Organic Chemistry, Vol 21, Iss 1, Pp 483-489 (2025)

Subject Terms: deazapurines, heterocycles, pyrrolopyrimidines, queuosine, riboswitches, ribozymes, rna alkylation, rna labelling, Science, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://doaj.org/toc/1860-5397

Access URL: https://doaj.org/article/6e557888efa64fbb9d65db9d1adb7f3e

Vinylogous functionalization of 4-alkylidene-5-aminopyrazoles with methyl trifluoropyruvates

Authors: Judit Hostalet-Romero, Laura Carceller-Ferrer, Gonzalo Blay, Amparo Sanz-Marco, José R. Pedro, Carlos Vila

Source: Beilstein Journal of Organic Chemistry, Vol 21, Iss 1, Pp 533-540 (2025)

Subject Terms: alcohols, diastereoselectivity, nitrogen heterocycles, pyrazoles, vinylogous reaction, Science, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://doaj.org/toc/1860-5397

Access URL: https://doaj.org/article/9fcf3874c9784a19a2c5ce09953d983f

Modified magnetic chitosan with mono(6-amino-6-deoxy)-β-cyclodextrin as a novel catalyst toward the synthesis of pyrazolopyranopyrimidines and pyrano[2,3-c]pyrazole-3-carboxylates

Authors: Maryam Mousavi-Ebadi, Javad Safaei-Ghomi

Source: Scientific Reports, Vol 15, Iss 1, Pp 1-19 (2025)

Subject Terms: β-Cyclodextrin, Magnetic Chitosan, Biocomposite, Nanocatalyst, Multi-component reaction, Pyrazole heterocycles, Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/5601ca90710a49f3b82c115246721957

Synthetic approaches, emerging applications, and challenges of indole-based five-membered heterocycles in medicinal chemistry

Authors: M. Padmapriya, Sushruta S. Hakkimane, Santosh L. Gaonkar

Source: Discover Applied Sciences, Vol 7, Iss 3, Pp 1-53 (2025)

Subject Terms: Indole based five-membered heterocycles, Pharmacological profile, Structure- activity relationship, Molecular docking, Science (General), Q1-390

File Description: electronic resource

Relation: https://doaj.org/toc/3004-9261

Access URL: https://doaj.org/article/3da1f4d758b24d1a94046f7aec1f89c9

Spiro-heterocycles: Recent advances in biological applications and synthetic strategies

Authors: D, Basavaraja ^{a, b, 1}, Doddamani, Siddalingeshwar V. ^{a, b, 1}, S, Athira C. ^{a, b, 1}, Siby, Aiswarya ^a, V, Sreelakshmi ^a, A, Ancy ^{a, b}, B. Somappa, Sasidhar ^{a, b, ⁎}

Source: In Tetrahedron 1 March 2025 173

One-pot access to indazole fused-phenanthridinones via Rh(III)-catalyzed [4+2] annulation

Authors: Shumin Li, Jinke Chang, Jian Shen, Xiuling Cui

Source: Green Synthesis and Catalysis, Vol 6, Iss 1, Pp 75-80 (2025)

Subject Terms: C-H activation, 3-Aryl-1H-indazoles, [4+2] annulation, Aza-heterocycles, Chemical technology, TP1-1185, Biochemistry, QD415-436

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2666554923000789; https://doaj.org/toc/2666-5549

Access URL: https://doaj.org/article/de9dd3befc984c81afb049b112fcdc33

Heteroannulations of cyanoacetamide-based MCR scaffolds utilizing formamide

Authors: Marios Zingiridis, Danae Papachristodoulou, Despoina Menegaki, Konstantinos G. Froudas, Constantinos G. Neochoritis

Source: Beilstein Journal of Organic Chemistry, Vol 21, Iss 1, Pp 217-225 (2025)

Subject Terms: 2-amino-substituted heterocycles, cyanoacetamide, gewald reaction, multicomponent reaction (mcr), pyrimidine, Science, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://doaj.org/toc/1860-5397

Access URL: https://doaj.org/article/e832963e032640aab979cdf96a4013e1

Muon spectroscopy of a 12-phosphatetraphene with extremely efficient radical trapping properties

Authors: Shigekazu Ito, Kohei Yasuda, Keisuke Ishihara, Victoria L. Karner, Kenji M. Kojima, Iain McKenzie

Source: Scientific Reports, Vol 15, Iss 1, Pp 1-11 (2025)

Subject Terms: Muon, Radicals, Heterocycles, Isotope effects, Reaction kinetics, DFT calculations, Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/d00804ffcbd6437b866ebb8665d664af

A density functional theory investigation of the substituent effect on acyclovir and guanine derivatives for applications on energetic materials

Authors: Luciana Amorim da Silva, Gabriel Monteiro-de-Castro, Erick Braga Ferrão Galante, Itamar Borges Jr, Aline Cardoso Anastácio

Source: Energetic Materials Frontiers, Vol 5, Iss 4, Pp 293-308 (2024)

Subject Terms: Nitrogen heterocycles, Substituent effects, Energetic materials, DFT, Detonation properties, Chemical technology, TP1-1185

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2666647224000095; https://doaj.org/toc/2666-6472

Access URL: https://doaj.org/article/5051e24897ea47049c959925aaa0dbeb

Non-covalent organocatalyzed enantioselective cyclization reactions of α,β-unsaturated imines

Authors: Sergio Torres-Oya, Mercedes Zurro

Source: Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 3221-3255 (2024)

Subject Terms: α,β-unsaturated imines, asymmetric organocatalysis, cyclization, n-heterocycles, inverse electron demand aza-diels–alder reaction, Science, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://doaj.org/toc/1860-5397

Access URL: https://doaj.org/article/31435d4b2ef64e568e36c867b59aceea

Synthesis of acenaphthylene-fused heteroarenes and polyoxygenated benzo[j]fluoranthenes via a Pd-catalyzed Suzuki–Miyaura/C–H arylation cascade

Authors: Merve Yence, Dilgam Ahmadli, Damla Surmeli, Umut Mert Karacaoğlu, Sujit Pal, Yunus Emre Türkmen

Source: Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 3290-3298 (2024)

Subject Terms: acenaphthylene-fused heteroarenes, benzo[j]fluoranthenes, c–h arylation, fluoranthenes, heterocycles, Science, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://doaj.org/toc/1860-5397

Access URL: https://doaj.org/article/a7a4d3658126439d8358e77a3df778bb

Intramolecular C–H arylation of pyridine derivatives with a palladium catalyst for the synthesis of multiply fused heteroaromatic compounds

Authors: Yuki Nakanishi, Shoichi Sugita, Kentaro Okano, Atsunori Mori

Source: Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 3256-3262 (2024)

Subject Terms: intramolecular c–h arylation, multiply fused heterocycles, palladium acetate, phosphine ligand, pyridine amides, Science, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://doaj.org/toc/1860-5397

Access URL: https://doaj.org/article/969279c5ac4749b9b917cea5e27cf6d9

Synthesis of extended fluorinated tripeptides based on the tetrahydropyridazine scaffold

Authors: Thierry Milcent, Pascal Retailleau, Benoit Crousse, Sandrine Ongeri

Source: Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 3174-3181 (2024)

Subject Terms: fluoroalkyl groups, heterocycles, hydrazino acids, peptides, tetrahydropyridazines, Science, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://doaj.org/toc/1860-5397

Access URL: https://doaj.org/article/eed6a8ba3177460b90c2fd0d0af3b300

Amino acid- and peptide-conjugated heterocyclic compounds: A comprehensive review of Synthesis Strategies and biological activities

Authors: Sylvianingsih, Fany ^a, Supratman, Unang ^{a, b}, Maharani, Rani ^{a, b, ⁎}

Source: In European Journal of Medicinal Chemistry 5 June 2025 290

Comprehensive review on green methods: Synthesis of benzothiazoles

Authors: V.V.K. Vasu Juthiga, S.N. Murthy Boddapati, Megha Balha, Ramana Tamminana

Source: Results in Chemistry, Vol 15, Iss , Pp 102212- (2025)

Subject Terms: Fused heterocycles, Benzothiazole, Bio-active, Green methods, Structure activity relationship, Chemistry, QD1-999

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S221171562500195X; https://doaj.org/toc/2211-7156

Access URL: https://doaj.org/article/117743aa775645f29dd0baa6f7a2f02e

Editorial: Five-membered ring heterocyclic compounds as anticancer drug candidates

Authors: Arif Mermer, İlkay Erdogan Orhan, Gang Ye, Nv Anil Kumar, Ramona Danac

Source: Frontiers in Chemistry, Vol 13 (2025)

Subject Terms: heterocycles, anticancer, azoles, five-membered, drug discovery, Chemistry, QD1-999

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fchem.2025.1599140/full; https://doaj.org/toc/2296-2646

Access URL: https://doaj.org/article/87414aa90e194e6d8c51d0ab18b85184

N-Glycosides of indigo, indirubin, and isoindigo: blue, red, and yellow sugars and their cancerostatic activity

Authors: Peter Langer

Source: Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 2840-2869 (2024)

Subject Terms: cancerostatic activity, carbohydrates, heterocycles, n-glycosides, indirubin, Science, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://doaj.org/toc/1860-5397

Access URL: https://doaj.org/article/2f353005417940cbbd88af65e34c75fe

Hypervalent iodine-mediated intramolecular alkene halocyclisation

Authors: Charu Bansal, Oliver Ruggles, Albert C. Rowett, Alastair J. J. Lennox

Source: Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 3113-3133 (2024)

Subject Terms: cyclisation, halogenation, heterocycles, hypervalent iodine, oxidation, Science, Organic chemistry, QD241-441

File Description: electronic resource

Relation: https://doaj.org/toc/1860-5397

Access URL: https://doaj.org/article/fca86d2d2dfa4b709da3c53ff80c24d4

Recent advances in (4 + 3) cycloaddition of allenes

Authors: Yanyan Que, Wenli Lei, Yin Fang, Shuzhong He, Yang Chen

Source: Green Synthesis and Catalysis, Vol 5, Iss 4, Pp 270-276 (2024)

Subject Terms: Allenes, (4 + 3) Cycloaddition, Asymmetric catalysis, Seven-membered heterocycles, Chemical technology, TP1-1185, Biochemistry, QD415-436

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2666554923001047; https://doaj.org/toc/2666-5549

Access URL: https://doaj.org/article/ec2a153e5f8a4f6d9848c78b1bcea55f