Supramolecular polymers with reversed viscosity/temperature profile for application in motor oils

• Jan-Erik Ostwaldt,
• Christoph Hirschhäuser,
• Stefan K. Maier,
• Carsten Schmuck and
• Jochen Niemeyer

Beilstein J. Org. Chem. 2021, 17, 105–114, doi:10.3762/bjoc.17.11

• Jan-Erik Ostwaldt Christoph Hirschhauser Stefan K. Maier Carsten Schmuck Jochen Niemeyer Faculty of Chemistry (Organic Chemistry) and Centre for Nanointegration Duisburg- Essen (CENIDE), University of Duisburg-Essen, Universitätsstraße 7, 45141 Essen, Germany Evonik Operations GmbH, Kirschenallee

Control over size, shape, and photonics of self-assembled organic nanocrystals

• Chen Shahar,
• Yaron Tidhar,
• Yunmin Jung,
• Haim Weissman,
• Sidney R. Cohen,
• Ronit Bitton,
• Iddo Pinkas,
• Gilad Haran and
• Boris Rybtchinski

Beilstein J. Org. Chem. 2021, 17, 42–51, doi:10.3762/bjoc.17.5

• Chen Shahar Yaron Tidhar Yunmin Jung Haim Weissman Sidney R. Cohen Ronit Bitton Iddo Pinkas Gilad Haran Boris Rybtchinski Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel Department of Chemical Physics, Weizmann Institute of Science, Rehovot 76100, Israel

Synthesis of tetrafluorinated piperidines from nitrones via a visible-light-promoted annelation reaction

• Vyacheslav I. Supranovich,
• Igor A. Dmitriev and
• Alexander D. Dilman

Beilstein J. Org. Chem. 2020, 16, 3104–3108, doi:10.3762/bjoc.16.260

• Vyacheslav I. Supranovich Igor A. Dmitriev Alexander D. Dilman N. D. Zelinsky Institute of Organic Chemistry, 119991 Moscow, Leninsky prosp. 47, Russian Federation, Moscow State University, Department of Chemistry, 119991, Moscow, Leninskie Gory 1–3, Russian Federation 10.3762/bjoc.16.260

• was performed in the Department of Structural Studies of the Zelinsky Institute of Organic Chemistry, Moscow. Funding This work was supported by the Russian Foundation for Basic Research (project 18-03-00320).

An atom-economical addition of methyl azaarenes with aromatic aldehydes via benzylic C(sp³)–H bond functionalization under solvent- and catalyst-free conditions

• Divya Rohini Yennamaneni,
• Vasu Amrutham,
• Krishna Sai Gajula,
• Rammurthy Banothu,
• Murali Boosa and
• Narender Nama

Beilstein J. Org. Chem. 2020, 16, 3093–3103, doi:10.3762/bjoc.16.259

• Azaarenes are a distinct class of heterocyclic compounds possessing wide compatibility in the field of synthetic organic chemistry. The recent advancements in nitrogen-containing carbon compounds have marked them as an unusual moiety due to their attractive applications in biology and as materials [1][2][3

• to be developed [14]. The formation of new C–C bonds through direct C–H bond functionalization in organic chemistry is attractive [15]. Such methodologies are omnipresent and facilitate sustainable organic transformations for the synthesis of complex natural products and pharmaceuticals. In the past

Silver-catalyzed synthesis of β-fluorovinylphosphonates by phosphonofluorination of aromatic alkynes

• Yajing Zhang,
• Qingshan Tian,
• Guozhu Zhang and
• Dayong Zhang

Beilstein J. Org. Chem. 2020, 16, 3086–3092, doi:10.3762/bjoc.16.258

• Yajing Zhang Qingshan Tian Guozhu Zhang Dayong Zhang School of Science, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210000, P. R. China State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai

• subsequent fluorine atom transfer. Keywords: β-fluorovinylphosphonates; fluorine atom transfer; P-centered radical; silver catalysis; three-component reaction; Introduction As one of the most important topics in organic chemistry, the introduction of fluorine and phosphorus atoms into double bonds is an

• Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences for financial support.

Chiral anion recognition using calix[4]arene-based ureido receptors in a 1,3-alternate conformation

• Tereza Horáčková,
• Jan Budka,
• Vaclav Eigner,
• Wen-Sheng Chung,
• Petra Cuřínová and
• Pavel Lhoták

Beilstein J. Org. Chem. 2020, 16, 2999–3007, doi:10.3762/bjoc.16.249

• Tereza Horackova Jan Budka Vaclav Eigner Wen-Sheng Chung Petra Curinova Pavel Lhotak Department of Organic Chemistry, University of Chemistry and Technology, Prague (UCTP), Technicka 5, 166 28 Prague 6, Czech Republic Department of Solid State Chemistry, UCTP, 166 28 Prague 6, Czech Republic

Naphthalonitriles featuring efficient emission in solution and in the solid state

• Sidharth Thulaseedharan Nair Sailaja,
• Iván Maisuls,
• Jutta Kösters,
• Alexander Hepp,
• Andreas Faust,
• Jens Voskuhl and
• Cristian A. Strassert

Beilstein J. Org. Chem. 2020, 16, 2960–2970, doi:10.3762/bjoc.16.246

• Wilhelms-Universität Münster, Heisenbergstraße 11, 48149 Münster, Germany European Institute for Molecular Imaging, Waldeyerstr.15, 48149 Münster, Germany Department of Nuclear Medicine, University Hospital Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany Faculty of Chemistry (Organic Chemistry

UV resonance Raman spectroscopy of the supramolecular ligand guanidiniocarbonyl indole (GCI) with 244 nm laser excitation

• Tim Holtum,
• Vikas Kumar,
• Daniel Sebena,
• Jens Voskuhl and
• Sebastian Schlücker

Beilstein J. Org. Chem. 2020, 16, 2911–2919, doi:10.3762/bjoc.16.240

• Tim Holtum Vikas Kumar Daniel Sebena Jens Voskuhl Sebastian Schlucker Physical Chemistry, Department of Chemistry and CENIDE, University of Duisburg-Essen, Universitätsstrasse 5, 45141 Essen, Germany Organic Chemistry, Department of Chemistry and CENIDE, University of Duisburg-Essen

On the mass spectrometric fragmentations of the bacterial sesterterpenes sestermobaraenes A–C

• Anwei Hou and
• Jeroen S. Dickschat

Beilstein J. Org. Chem. 2020, 16, 2807–2819, doi:10.3762/bjoc.16.231

• Anwei Hou Jeroen S. Dickschat Kekulé-Institute for Organic Chemistry and Biochemistry, University of Bonn, Gerhard-Domagk-Strasse 1, 53127 Bonn, Germany 10.3762/bjoc.16.231 Abstract A 13C-labelling was introduced into each individual carbon of the recently discovered sestermobaraenes by the

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

• the corresponding solvent [δ(DMSO-d5) = 2.50 (1H) and 39.5 (13C); δ(CHCl3) = 7.26 (1H) and 77.2 (13C)]. Elemental analyses data were determined with a HEKAtech EURO EA combustion analyzer by Mr. Rochus Breuer (Organic Chemistry I, University of Siegen). Mass spectra (ESI) were recorded on a Finnigan

Easy access to a carbohydrate-based template for stimuli-responsive surfactants

• Thomas Holmstrøm,
• Daniel Raydan and
• Christian Marcus Pedersen

Beilstein J. Org. Chem. 2020, 16, 2788–2794, doi:10.3762/bjoc.16.229

• property has been of great interest during the recent decades as the self-assembled aggregates have found the way into many fields of research. Within the field of organic chemistry, the smaller aggregates, micelles, have been exploited as a new reaction medium, making it possible to perform organic

3-Acetoxy-fatty acid isoprenyl esters from androconia of the ithomiine butterfly Ithomia salapia

• Florian Mann,
• Daiane Szczerbowski,
• Lisa de Silva,
• Melanie McClure,
• Marianne Elias and
• Stefan Schulz

Beilstein J. Org. Chem. 2020, 16, 2776–2787, doi:10.3762/bjoc.16.228

• Florian Mann Daiane Szczerbowski Lisa de Silva Melanie McClure Marianne Elias Stefan Schulz Institute of Organic Chemistry, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany Institut de Systématique Evolution Biodiversité, Centre National de la Recherche Scientifique

Ring-closing metathesis of prochiral oxaenediynes to racemic 4-alkenyl-2-alkynyl-3,6-dihydro-2H-pyrans

• Viola Kolaříková,
• Markéta Rybáčková,
• Martin Svoboda and
• Jaroslav Kvíčala

Beilstein J. Org. Chem. 2020, 16, 2757–2768, doi:10.3762/bjoc.16.226

• Viola Kolarikova Marketa Rybackova Martin Svoboda Jaroslav Kvicala Department of Organic Chemistry, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, v.v.i

Encrypting messages with artificial bacterial receptors

• Pragati Kishore Prasad,
• Naama Lahav-Mankovski,
• Leila Motiei and
• David Margulies

Beilstein J. Org. Chem. 2020, 16, 2749–2756, doi:10.3762/bjoc.16.225

• Pragati Kishore Prasad Naama Lahav-Mankovski Leila Motiei David Margulies Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 7610001, Israel 10.3762/bjoc.16.225 Abstract A method for encrypting messages using engineered bacteria and different fluorescently labeled synthetic

A heterobimetallic tetrahedron from a linear platinum(II)-bis(acetylide) metalloligand

• Matthias Hardy,
• Marianne Engeser and
• Arne Lützen

Beilstein J. Org. Chem. 2020, 16, 2701–2708, doi:10.3762/bjoc.16.220

• Matthias Hardy Marianne Engeser Arne Lutzen University of Bonn, Kekulé-Institute of Organic Chemistry and Biochemistry, Gerhard-Domagk-Str. 1, D-53121 Bonn, Germany 10.3762/bjoc.16.220 Abstract Employing 4-ethynylaniline as a simple organic ligand we were able to prepare the stable trans-bis

Selective and reversible 1,3-dipolar cycloaddition of 6-aryl-1,5-diazabicyclo[3.1.0]hexanes with 1,3-diphenylprop-2-en-1-ones under microwave irradiation

• Alexander P. Molchanov,
• Mariia M. Efremova,
• Mariya A. Kryukova and
• Mikhail A. Kuznetsov

Beilstein J. Org. Chem. 2020, 16, 2679–2686, doi:10.3762/bjoc.16.218

• Alexander P. Molchanov Mariia M. Efremova Mariya A. Kryukova Mikhail A. Kuznetsov Department of Organic Chemistry, Institute of Chemistry, Saint Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg, 199034, Russia 10.3762/bjoc.16.218 Abstract The first example of the

Asymmetric Mannich reactions of (S)-N-tert-butylsulfinyl-3,3,3-trifluoroacetaldimines with yne nucleophiles

• Ziyi Li,
• Li Wang,
• Yunqi Huang,
• Haibo Mei,
• Hiroyuki Konno,
• Hiroki Moriwaki,
• Vadim A. Soloshonok and
• Jianlin Han

Beilstein J. Org. Chem. 2020, 16, 2671–2678, doi:10.3762/bjoc.16.217

• Biological Engineering, Graduate School of Science and Engineering, Yamagata University, Yonezawa, Yamagata 992-8510, Japan Hamari Chemical Ltd., 1-4-29 Kunijima, Higashi-Yodogawa-ku, Osaka 533-0024, Japan Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU

Synthesis and characterization of S,N-heterotetracenes

• Astrid Vogt,
• Florian Henne,
• Christoph Wetzel,
• Elena Mena-Osteritz and
• Peter Bäuerle

Beilstein J. Org. Chem. 2020, 16, 2636–2644, doi:10.3762/bjoc.16.214

• Astrid Vogt Florian Henne Christoph Wetzel Elena Mena-Osteritz Peter Bauerle Institute of Organic Chemistry II and Advanced Materials, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany Carl Zeiss SMT GmbH, Rudolf-Eber-Straße 2, 73447 Oberkochen, Germany Merck KGaA, Frankfurter Str

Synthesis of 4-substituted azopyridine-functionalized Ni(II)-porphyrins as molecular spin switches

• Jannis Ludwig,
• Tobias Moje,
• Fynn Röhricht and
• Rainer Herges

Beilstein J. Org. Chem. 2020, 16, 2589–2597, doi:10.3762/bjoc.16.210

• Jannis Ludwig Tobias Moje Fynn Rohricht Rainer Herges Otto Diels Institute of Organic Chemistry, University of Kiel, Otto-Hahn-Platz 3–4, 24098 Kiel, Germany 10.3762/bjoc.16.210 Abstract We present the synthesis and the spin switching efficiencies of Ni(II)-porphyrins substituted with

Dawn of a new era in industrial photochemistry: the scale-up of micro- and mesostructured photoreactors

• Emine Kayahan,
• Mathias Jacobs,
• Leen Braeken,
• Leen C.J. Thomassen,
• Simon Kuhn,
• Tom van Gerven and
• M. Enis Leblebici

Beilstein J. Org. Chem. 2020, 16, 2484–2504, doi:10.3762/bjoc.16.202

• . Photochemistry spans a number of reactions. For organic chemistry, 8000 photoreactions have been listed since 1975 [1]. Despite the huge portfolio, there is a lack of industrial applications of photochemistry. Van Gerven et al. listed five industrial applications of photochemistry in commercial wastewater

Conformational preferences of fluorine-containing agrochemicals and their implications for lipophilicity prediction

• Daniela Rodrigues Silva,
• Joyce K. Daré and
• Matheus P. Freitas

Beilstein J. Org. Chem. 2020, 16, 2469–2476, doi:10.3762/bjoc.16.200

• soil sorption and bioconcentration of organic compounds. Since the C–F bond is the most polar in organic chemistry, the orientation of fluorine substituents originating from the rotation around C–C(F) bonds should affect the polarity and, consequently, the physicochemical and biological properties of

Recent developments in enantioselective photocatalysis

• Callum Prentice,
• James Morrisson,
• Andrew D. Smith and
• Eli Zysman-Colman

Beilstein J. Org. Chem. 2020, 16, 2363–2441, doi:10.3762/bjoc.16.197

• enantioselectivity, the review will be organized according to these strategies. Mechanistic understanding is vital to furthering development of any field of organic chemistry, so the mechanisms proposed by the authors are included for many examples, although the level of mechanistic investigation that accompanies

Hierarchically assembled helicates as reaction platform – from stoichiometric Diels–Alder reactions to enamine catalysis

• David Van Craen,
• Jenny Begall,
• Johannes Großkurth,
• Leonard Himmel,
• Oliver Linnenberg,
• Elisabeth Isaak and
• Markus Albrecht

Beilstein J. Org. Chem. 2020, 16, 2338–2345, doi:10.3762/bjoc.16.195

• David Van Craen Jenny Begall Johannes Grosskurth Leonard Himmel Oliver Linnenberg Elisabeth Isaak Markus Albrecht Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany 10.3762/bjoc.16.195 Abstract The stereoselectivity of a Diels–Alder reaction within the

• –carbon (C–C) bond-forming reactions play a key role in organic chemistry. Hereby the stereoselectivity of the reaction is highly important due to the different behavior of stereoisomers in human metabolism [1][2]. Stereocontrol was achieved either via an auxiliary [3][4][5][6][7] or a catalyst [8], both

Chan–Evans–Lam N1-(het)arylation and N1-alkеnylation of 4-fluoroalkylpyrimidin-2(1H)-ones

• Viktor M. Tkachuk,
• Oleh O. Lukianov,
• Mykhailo V. Vovk,
• Isabelle Gillaizeau and
• Volodymyr A. Sukach

Beilstein J. Org. Chem. 2020, 16, 2304–2313, doi:10.3762/bjoc.16.191

• Viktor M. Tkachuk Oleh O. Lukianov Mykhailo V. Vovk Isabelle Gillaizeau Volodymyr A. Sukach Institute of Organic Chemistry, National Academy of Sciences of Ukraine Institute of Organic and Analytical Chemistry, ICOA UMR 7311 CNRS, Université d’Orléans, rue de Chartres, 45100 Orléans, France

Synthetic approaches to bowl-shaped π-conjugated sumanene and its congeners

• Shakeel Alvi and
• Rashid Ali

Beilstein J. Org. Chem. 2020, 16, 2212–2259, doi:10.3762/bjoc.16.186