Extension of the π-system of monoaryl-substituted norbornadienes with acetylene bridges: influence on the photochemical conversion and storage of light energy

• Robin Schulte,
• Dustin Schade,
• Thomas Paululat,
• Till J. B. Zähringer,
• Christoph Kerzig and
• Heiko Ihmels

Beilstein J. Org. Chem. 2024, 20, 3061–3068, doi:10.3762/bjoc.20.254

• Robin Schulte Dustin Schade Thomas Paululat Till J. B. Zahringer Christoph Kerzig Heiko Ihmels Department of Chemistry-Biology, Center of Micro- and Nanochemistry and (Bio-)Technology (Cµ), University of Siegen, Adolf-Reichwein-Str. 2, 57068 Siegen, Germany Department of Chemistry, Johannes

Photoinduced in situ generation of DNA-targeting ligands: DNA-binding and DNA-photodamaging properties of benzo[c]quinolizinium ions

• Julika Schlosser,
• Olga Fedorova,
• Yuri Fedorov and
• Heiko Ihmels

Beilstein J. Org. Chem. 2024, 20, 101–117, doi:10.3762/bjoc.20.11

• Julika Schlosser Olga Fedorova Yuri Fedorov Heiko Ihmels Department of Chemistry and Biology, and Center of Micro- and Nanochemistry and (Bio)Technology (Cµ), University of Siegen, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany A. N. Nesmeyanov Institute of Organoelement Compounds, Russian

Heteroleptic metallosupramolecular aggregates/complexation for supramolecular catalysis

• Prodip Howlader and
• Michael Schmittel

Beilstein J. Org. Chem. 2022, 18, 597–630, doi:10.3762/bjoc.18.62

• Prodip Howlader Michael Schmittel Center of Micro- and Nanochemistry and (Bio)Technology, Universität Siegen, Organische Chemie I, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany 10.3762/bjoc.18.62 Abstract Supramolecular catalysis is reviewed with an eye on heteroleptic aggregates/complexation

Borylated norbornadiene derivatives: Synthesis and application in Pd-catalyzed Suzuki–Miyaura coupling reactions

• Robin Schulte and
• Heiko Ihmels

Beilstein J. Org. Chem. 2022, 18, 368–373, doi:10.3762/bjoc.18.41

• Robin Schulte Heiko Ihmels Department of Chemistry and Biology, University of Siegen, and Center of Micro- and Nanochemistry and (Bio)Technology (Cμ); Adolf-Reichwein-Str. 2, 57068 Siegen, Germany 10.3762/bjoc.18.41 Abstract The photochromic norbornadiene/quadricyclane system is among the most

Site-selective reactions mediated by molecular containers

• Rui Wang and
• Yang Yu

Beilstein J. Org. Chem. 2022, 18, 309–324, doi:10.3762/bjoc.18.35

• important fields in modern chemistry [13][14][15]. It is based on a wide range of noncovalent interactions between molecules [16][17][18] and has been applied to a variety of research areas including molecular recognition, molecular devices, nanochemistry, catalysis, etc. [13][14][15][16][17][18]. By

Synthesis of 10-O-aryl-substituted berberine derivatives by Chan–Evans–Lam coupling and investigation of their DNA-binding properties

• Peter Jonas Wickhorst,
• Mathilda Blachnik,
• Denisa Lagumdzija and
• Heiko Ihmels

Beilstein J. Org. Chem. 2021, 17, 991–1000, doi:10.3762/bjoc.17.81

• Peter Jonas Wickhorst Mathilda Blachnik Denisa Lagumdzija Heiko Ihmels Department of Chemistry – Biology, University of Siegen, and Center of Micro- and Nanochemistry and Engineering (Cµ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany 10.3762/bjoc.17.81 Abstract Eleven novel 10-O-aryl-substituted

Using multiple self-sorting for switching functions in discrete multicomponent systems

• Amit Ghosh and
• Michael Schmittel

Beilstein J. Org. Chem. 2020, 16, 2831–2853, doi:10.3762/bjoc.16.233

• Amit Ghosh Michael Schmittel Center of Micro and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany 10.3762/bjoc.16.233 Abstract Over years self-sorting has developed into a powerful tool in supramolecular chemistry, for

Synthesis and investigation of quadruplex-DNA-binding, 9-O-substituted berberine derivatives

• Jonas Becher,
• Daria V. Berdnikova,
• Heiko Ihmels and
• Christopher Stremmel

Beilstein J. Org. Chem. 2020, 16, 2795–2806, doi:10.3762/bjoc.16.230

• Jonas Becher Daria V. Berdnikova Heiko Ihmels Christopher Stremmel Department of Chemistry and Biology, University of Siegen and Center of Micro- and Nanochemistry and Engineering (Cμ); Adolf-Reichwein-Str. 2, 57068 Siegen, Germany 10.3762/bjoc.16.230 Abstract A small series of five novel

Cation-induced ring-opening and oxidation reaction of photoreluctant spirooxazine–quinolizinium conjugates

• Phil M. Pithan,
• Sören Steup and
• Heiko Ihmels

Beilstein J. Org. Chem. 2020, 16, 904–916, doi:10.3762/bjoc.16.82

• Phil M. Pithan Soren Steup Heiko Ihmels Department of Chemistry and Biology, University of Siegen and Center of Micro- and Nanochemistry and Engineering (Cμ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany 10.3762/bjoc.16.82 Abstract Two new spiroindolinonaphthoxazine derivatives with an electron

Dyes in modern organic chemistry

• Heiko Ihmels

Beilstein J. Org. Chem. 2019, 15, 2798–2800, doi:10.3762/bjoc.15.272

• Heiko Ihmels University of Siegen, Department of Chemistry and Biology, and Center of Micro- and Nanochemistry and Engineering, Adolf-Reichwein-Str. 2, 57068 Siegen, Germany 10.3762/bjoc.15.272 Keywords: dyes; Research on organic dyes constitutes a cornerstone in organic chemistry. It started

Probing of local polarity in poly(methyl methacrylate) with the charge transfer transition in Nile red

• Aydan Yadigarli,
• Qimeng Song,
• Sergey I. Druzhinin and
• Holger Schönherr

Beilstein J. Org. Chem. 2019, 15, 2552–2562, doi:10.3762/bjoc.15.248

• Aydan Yadigarli Qimeng Song Sergey I. Druzhinin Holger Schonherr Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cμ), Department of Chemistry and Biology, University of Siegen, Adolf-Reichwein-Str. 2, 57076, Siegen, Germany 10.3762/bjoc.15.248 Abstract The

Selective detection of DABCO using a supramolecular interconversion as fluorescence reporter

• Indrajit Paul,
• Debabrata Samanta,
• Sudhakar Gaikwad and
• Michael Schmittel

Beilstein J. Org. Chem. 2019, 15, 1371–1378, doi:10.3762/bjoc.15.137

• Indrajit Paul Debabrata Samanta Sudhakar Gaikwad Michael Schmittel Center of Micro and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany 10.3762/bjoc.15.137 Abstract The quantitative double self-sorting between the three

Interactions between photoacidic 3-hydroxynaphtho[1,2-b]quinolizinium and cucurbit[7]uril: Influence on acidity in the ground and excited state

• Jonas Becher,
• Daria V. Berdnikova,
• Darinka Dzubiel,
• Heiko Ihmels and
• Phil M. Pithan

Beilstein J. Org. Chem. 2017, 13, 203–212, doi:10.3762/bjoc.13.23

• Jonas Becher Daria V. Berdnikova Darinka Dzubiel Heiko Ihmels Phil M. Pithan Department of Chemistry and Biology, University of Siegen and Center of Micro- and Nanochemistry and Engineering, Adolf-Reichwein-Str. 2, 57068 Siegen, Germany 10.3762/bjoc.13.23 Abstract 3-Hydroxynaphtho[1,2-b

Synthesis and fluorosolvatochromism of 3-arylnaphtho[1,2-b]quinolizinium derivatives

• Phil M. Pithan,
• David Decker,
• Manlio Sutero Sardo,
• Giampietro Viola and
• Heiko Ihmels

Beilstein J. Org. Chem. 2016, 12, 854–862, doi:10.3762/bjoc.12.84

• Phil M. Pithan David Decker Manlio Sutero Sardo Giampietro Viola Heiko Ihmels Department of Chemistry and Biology, University of Siegen and Center of Micro and Nanochemistry and Engineering, Adolf-Reichwein-Str. 2, 57068 Siegen, Germany University of Padova, Department of Pharmaceutical and

Further exploration of the heterocyclic diversity accessible from the allylation chemistry of indigo

• Alireza Shakoori,
• John B. Bremner,
• Mohammed K. Abdel-Hamid,
• Anthony C. Willis,
• Rachada Haritakun and
• Paul A. Keller

Beilstein J. Org. Chem. 2015, 11, 481–492, doi:10.3762/bjoc.11.54

• ; nitrogen heterocycles; rearrangement; Introduction One of the foci of current organic synthesis is the exploration of new chemical space, with an emphasis on significant heterocyclic molecular diversity [1][2]. Direct applications of such advances in medicinal chemistry, chemical biology and nanochemistry

Impact of the level of complexity in self-sorting: Fabrication of a supramolecular scalene triangle

• Kingsuk Mahata and
• Michael Schmittel

Beilstein J. Org. Chem. 2011, 7, 1555–1561, doi:10.3762/bjoc.7.183

• Kingsuk Mahata Michael Schmittel Center of Micro- and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Straße, D-57068 Siegen, Germany 10.3762/bjoc.7.183 Abstract The impact of the level of complexity in self-sorting was elaborated through the fabrication of

A simple route for renewable nano- sized arjunolic and asiatic acids and self- assembly of arjuna- bromolactone

• Braja G. Bag,
• Partha P. Dey,
• Shaishab K. Dinda,
• William S. Sheldrick and
• Iris M. Oppel

Beilstein J. Org. Chem. 2008, 4, No. 24, doi:10.3762/bjoc.4.24

• self-assembly of nano-sized arjuna-bromolactone are reported. Keywords: arjunolic acid; nanochemistry; renewable; self-assembly; triterpene; Introduction Triterpenes are an important class of plant secondary metabolites derived from C30 precursors [1][2]. More than 100 triterpenoids with different