PhI(OAc)2 Oxidative Dearomatization of o-Methoxy-phenols. A Facile Preparation of ortho-endo bicyclo[2.2.2]octenones

  • Christos Anagnostopoulos,
  • Christos Kalogiros,
  • Maria Nikolaidou,
  • Leandros V. Polychronis,
  • Eirini Tileli and
  • Lazaros P. Hadjiarapoglou
Published 16 Sep 2026
Beilstein Arch. 2026, 202634. doi:10.3762/bxiv.2026.34.v1

Synthesis of N-Substituted Oxazolidin-2-ones via Organocatalytic Aziridine-CO2 Cycloaddition

  • Caterina Damiano,
  • Emma Gallo,
  • M. Mar Díaz-Requejo and
  • Pedro J. Pérez
Published 16 Sep 2026
Beilstein Arch. 2026, 202633. doi:10.3762/bxiv.2026.33.v1

Synthesis, optical, electronic and solid-state properties of carbonyl-functionalised diketopyrrolopyrroles

  • Joshua Humphreys,
  • Ferdinando Malagreca,
  • Paul A Hume,
  • Flavia Pop,
  • E. Stephen Davies,
  • Stephen P Argent,
  • Graham N Newton and
  • David B Amabilino
Published 04 Sep 2026
Beilstein Arch. 2026, 202629. doi:10.3762/bxiv.2026.29.v1

Synthesis of Flavones from Chalcones Mediated by Copper(I) Iodide and Azides: Mechanistic Insights

  • Sheng-Xiang Chen,
  • Yu-Jui Su,
  • Hsin-Ying Wu,
  • Sy-Chyi Cheng and
  • Tzenge-Lien Shih
Published 19 Aug 2026
Beilstein Arch. 2026, 202628. doi:10.3762/bxiv.2026.28.v1

Exploring the use of Cyrene for the amidation of E3 ligase recruiters: efficient access to PROTAC precursors

  • Michela Galli,
  • Andrea Citarella,
  • Valerio Fasano,
  • Daniele Passarella and
  • Alessandra Silvani
Published 30 Jul 2026
Beilstein Arch. 2026, 202626. doi:10.3762/bxiv.2026.26.v1

Synthesis of spirobenzoxazine frameworks from biomass-derived chloromethylfurfural via a key intramolecular aza-Piancatelli reaction.

  • Lucie Grand,
  • Adrien Deloche,
  • Malvina Larduinat,
  • Erwann Jeanneau,
  • Florence Popowycz and
  • Sylvie Moebs-Sanchez
Published 23 Jul 2026
Beilstein Arch. 2026, 202625. doi:10.3762/bxiv.2026.25.v1

Design and Characterization of Novel Pyridylbenzimidazole based Ruthenium (II) Complexes, and their Evaluation in Singlet Oxygen Generation

  • Benjamin Riss Yaw,
  • Alice Saunier,
  • Anna Porcher,
  • Jean-Chrsitophe Cintrat and
  • Eugénie Romero
Published 23 Jul 2026
Beilstein Arch. 2026, 202624. doi:10.3762/bxiv.2026.24.v1

Study Toward the Undirected Fluorination and Chlorination of Cubane 1,4-Diester

  • Laly Donnier-Valentin,
  • Robin Heinrich,
  • Quentin Fevre-Renault,
  • Julien Legros,
  • Bruno Linclau and
  • Michaël DE PAOLIS
Published 07 Jul 2026
Beilstein Arch. 2026, 202623. doi:10.3762/bxiv.2026.23.v1

Concise Trichlorination of Methyl Ketones Using Sodium Hypochlorite Pentahydrate

  • Ayumu Sakai,
  • Takumi Tanaka,
  • Takahiro Hosokawa,
  • Takumi Kawai,
  • Hideyuki Tsutsui,
  • Yoshikazu Kimura,
  • Shinobu Takizawa and
  • Masayuki Kirihara
Published 02 Jul 2026
Beilstein Arch. 2026, 202621. doi:10.3762/bxiv.2026.21.v1
Published 29 May 2026
Beilstein Arch. 2026, 202618. doi:10.3762/bxiv.2026.18.v1

Rhodopyran, a carboxylated hexahydrocyclopenta[b]pyran from Rhodococcus

  • Enjuro Harunari,
  • Sara Fushimi and
  • Yasuhiro Igarashi
Published 29 Apr 2026
Beilstein Arch. 2026, 202616. doi:10.3762/bxiv.2026.16.v1
Published 14 Apr 2026
Beilstein Arch. 2026, 202615. doi:10.3762/bxiv.2026.15.v1
Published 09 Apr 2026
Beilstein Arch. 2026, 202614. doi:10.3762/bxiv.2026.14.v1
Published 30 Mar 2026
Beilstein Arch. 2026, 202612. doi:10.3762/bxiv.2026.12.v1
Published 09 Mar 2026
Beilstein Arch. 2026, 20269. doi:10.3762/bxiv.2026.9.v1

8-(Dichloromethylene)-3,4,7,8-tetrahydro-6H-imidazo[5,1-c][1,2,4,6]thiatriazin-6-one 2,2-dioxides: synthesis, structure and antiproliferative activity evaluation

  • Oleh V. Shablykin,
  • Yurii Eu Kornii,
  • Kateryna R. Bondarenko,
  • Svitlana V. Shishkina,
  • Andrii V. Kozytskyi and
  • Olga V. Shablykina
Published 06 Feb 2026
Beilstein Arch. 2026, 20267. doi:10.3762/bxiv.2026.7.v1

Synthesis and Structural Identification of Taxifolin Sulfate Conjugates

  • Yu Sasaki,
  • Yuto Nishidono,
  • Ken Tanaka and
  • Tohru Kamitanaka
Published 29 Dec 2025
Beilstein Arch. 2025, 202566. doi:10.3762/bxiv.2025.66.v1

Synthesis of tricyclic fused pyrrolidine nitroxides from 2-alkynylpyrrolidine-1-oxyls.

  • Mark Gulman,
  • Yuliya Polienko,
  • Sofia Trakhininа,
  • Yuri Gatilov,
  • Tatyana Rybalova,
  • Sergey Dobrynin and
  • Igor Kirilyuk
Published 08 Dec 2025
Beilstein Arch. 2025, 202565. doi:10.3762/bxiv.2025.65.v1

Blue Light Induced N-H Functionalization of Tetrazoles with Aryldiazoacetates: Access to 1,5-disubstituted Regioisomers

  • Valentin Radiupov,
  • Grigory Kantin,
  • Stepan Meshalkin,
  • Elena Tupikina and
  • Dmitry Dar'in
Published 19 Nov 2025
Beilstein Arch. 2025, 202564. doi:10.3762/bxiv.2025.64.v1
Published 19 Nov 2025
Beilstein Arch. 2025, 202563. doi:10.3762/bxiv.2025.63.v1
Published 12 Nov 2025
Beilstein Arch. 2025, 202562. doi:10.3762/bxiv.2025.62.v1

Highly electophilic, gem- and spiro-activated trichloromethylnitrocyclopropanes: synthesis and structure

  • Ilia A. Pilipenko,
  • Mikhail V. Grigoriev,
  • Olga Yu. Ozerova,
  • Igor A. Litvinov,
  • Darya V. Spiridonova,
  • Aleksander V. Vasilyev and
  • Sergey V. Makarenko
Published 17 Oct 2025
Beilstein Arch. 2025, 202559. doi:10.3762/bxiv.2025.59.v1

Organocatalytic Asymmetric Mannich Reaction of Aromatic Imines

  • Kadri Kriis,
  • Harry Martõnov,
  • Annette Miller,
  • Mia Peterson,
  • Ivar Järving and
  • Tõnis Kanger
Published 01 Oct 2025
Beilstein Arch. 2025, 202557. doi:10.3762/bxiv.2025.57.v1

Total synthesis of Asperdinones B, C, D, E and Terezine D

  • Ravi Devarajappa and
  • Stephen Hanessian
Published 18 Sep 2025
Beilstein Arch. 2025, 202556. doi:10.3762/bxiv.2025.56.v1
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