Anthracene functionalized terpyridines – synthesis and properties

• Falk Wehmeier and
• Jochen Mattay

Beilstein J. Org. Chem. 2010, 6, No. 54, doi:10.3762/bjoc.6.54

• experimental section (3, 5a–b, 6a–b) and 13C NMR spectra of the organic precursors (3, 5a–b). Supporting Information File 66: 1H NMR spectra of compounds 3, 5a–b, 6a–b, and 13C NMR spectra of the organic precursors 3, 5a–b Acknowledgements We would like to thank the Studienstiftung des deutschen Volkes e.V

A perfluorocyclopentene based diarylethene bearing two terpyridine moieties – synthesis, photochemical properties and influence of transition metal ions

• Falk Wehmeier and
• Jochen Mattay

Beilstein J. Org. Chem. 2010, 6, No. 53, doi:10.3762/bjoc.6.53

• -spectra of [Co2+@10a], [Ni2+@10a], 1H NMR-spectra of 7b, 9b, 10a, 10b and 12, 13C NMR-spectra of 7b, 9b and 10a, the 19F NMR-spectrum of 10a and the simulated ESI-MS-spectra of 12. Supporting Information File 76: NMR-, UV- and MS-spectra. Acknowledgements We would like to thank the Studienstiftung des

Ring opening metathesis polymerization-derived block copolymers bearing chelating ligands: synthesis, metal immobilization and use in hydroformylation under micellar conditions

• Gajanan M. Pawar,
• Jochen Weckesser,
• Siegfried Blechert and
• Michael R. Buchmeiser

Beilstein J. Org. Chem. 2010, 6, No. 28, doi:10.3762/bjoc.6.28

• Chemie, Technische Universität Berlin, Straße des 17. Juni 135, D-10623 Berlin, Germany 10.3762/bjoc.6.28 Abstract Norborn-5-ene-(N,N-dipyrid-2-yl)carbamide (M1) was copolymerized with exo,exo-[2-(3-ethoxycarbonyl-7-oxabicyclo[2.2.1]hept-5-en-2-carbonyloxy)ethyl]trimethylammonium iodide (M2) using the

[3.3]Dithia-bridged cyclophanes featuring a thienothiophene ring: synthesis, structures and conformational analysis

• Sabir H. Mashraqui,
• Yogesh Sanghvikar,
• Shailesh Ghadhigaonkar,
• Sukeerthi Kumar,
• Auke Meetsma and
• Elise Trân Huu Dâu

Beilstein J. Org. Chem. 2009, 5, No. 74, doi:10.3762/bjoc.5.74

• Institut de Chimie des Substances Naturelles, C.N.R.S., 91190 Gif-sur-Yvette, France 10.3762/bjoc.5.74 Abstract The synthesis of [3.3]dithia-bridged cyclophanes 7, 9 and 11 incorporating a fused heterocycle, thieno[2,3-b]thiophene is described. The structures are established by 1H NMR analysis and, in the

Influence of spacer chain lengths and polar terminal groups on the mesomorphic properties of tethered 5-phenylpyrimidines

• Gundula F. Starkulla,
• Elisabeth Kapatsina,
• Angelika Baro,
• Frank Giesselmann,
• Stefan Tussetschläger,
• Martin Kaller and
• Sabine Laschat

Beilstein J. Org. Chem. 2009, 5, No. 63, doi:10.3762/bjoc.5.63

• für Wissenschaft, Forschung und Kunst des Landes Baden-Württemberg (Landesgraduierten fellowship for Elisabeth Kapatsina), the Bundesministerium für Bildung und Forschung and the Fonds der Chemischen Industrie is gratefully acknowledged.

1-(4-Alkyloxybenzyl)-3-methyl-1H-imidazol-3-ium organic backbone: A versatile smectogenic moiety

• William Dobbs,
• Laurent Douce and
• Benoît Heinrich

Beilstein J. Org. Chem. 2009, 5, No. 62, doi:10.3762/bjoc.5.62

• William Dobbs Laurent Douce Benoit Heinrich Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, CNRS-Université de Strasbourg, BP 43, 23 rue du Loess, F-67034 Strasbourg Cedex 2, France 10.3762/bjoc.5.62 Abstract The merger of ionic liquid and liquid crystal fields, obtained by

Saddle-shaped tetraphenylenes with peripheral gallic esters displaying columnar mesophases

• Eugen Wuckert,
• Constanze Hägele,
• Frank Giesselmann,
• Angelika Baro and
• Sabine Laschat

Beilstein J. Org. Chem. 2009, 5, No. 57, doi:10.3762/bjoc.5.57

• compounds 2a–f, 2g–l. Acknowledgments Generous financial support by the Deutsche Forschungsgemeinschaft, the Fonds der Chemischen Industrie, the Ministerium für Wissenschaft, Forschung und Kunst des Landes Baden-Württemberg and the Bundesministerium für Bildung und Forschung (grant # 01 RI 05177) is

A convenient method for preparing rigid-core ionic liquid crystals

• Julien Fouchet,
• Laurent Douce,
• Benoît Heinrich,
• Richard Welter and
• Alain Louati

Beilstein J. Org. Chem. 2009, 5, No. 51, doi:10.3762/bjoc.5.51

• Julien Fouchet Laurent Douce Benoit Heinrich Richard Welter Alain Louati Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, DMO, CNRS-Université de Strasbourg, BP 43, 23 rue du Loess, F-67034 Strasbourg Cedex 2, France Laboratoire DECOMET, UMR CNRS 7177-LC003, Université Louis

Synthesis of mesogenic phthalocyanine-C₆₀ donor–acceptor dyads designed for molecular heterojunction photovoltaic devices

• Yves Henri Geerts,
• Olivier Debever,
• Claire Amato and
• Sergey Sergeyev

Beilstein J. Org. Chem. 2009, 5, No. 49, doi:10.3762/bjoc.5.49

• Yves Henri Geerts Olivier Debever Claire Amato Sergey Sergeyev Université Libre de Bruxelles (ULB), Laboratoire de Chimie des Polymères, CP 206/01, Boulevard du Triomphe, 1050 Bruxelles, Belgium University of Antwerp, Department of Chemistry, Groenenborgerlaan 171, 2020 Antwerp, Belgium 10.3762

Synthesis of novel photochromic pyrans via palladium- mediated reactions

• Christoph Böttcher,
• Gehad Zeyat,
• Saleh A. Ahmed,
• Elisabeth Irran,
• Thorben Cordes,
• Cord Elsner,
• Wolfgang Zinth and
• Karola Rueck-Braun

Beilstein J. Org. Chem. 2009, 5, No. 25, doi:10.3762/bjoc.5.25

• Christoph Bottcher Gehad Zeyat Saleh A. Ahmed Elisabeth Irran Thorben Cordes Cord Elsner Wolfgang Zinth Karola Rueck-Braun Institut für Chemie, Technische Universität Berlin, Straße des 17. Juni 135, 10623 Berlin, Germany Permanent address: Chemistry Department, Faculty of Science, Assiut

Synthesis of dihydrophenanthridines by a sequence of Ugi-4CR and palladium- catalyzed intramolecular C-H functionalization

• Florence Bonnaterre,
• Michèle Bois-Choussy and
• Jieping Zhu

Beilstein J. Org. Chem. 2008, 4, No. 10, doi:10.3762/bjoc.4.10

• Florence Bonnaterre Michele Bois-Choussy Jieping Zhu Institut de Chimie des Substances Naturelles, CNRS, 91198 Gif-sur-Yvette Cedex, France 10.3762/bjoc.4.10 Abstract Background Small polyfunctionalized heterocyclic compounds play important roles in the drug discovery process and in the isolation

Part 3. Triethylborane- air: a suitable initiator for intermolecular radical additions of S-2-oxoalkyl- thionocarbonates (S-xanthates) to olefins

• Jean Boivin and
• Van Tai Nguyen

Beilstein J. Org. Chem. 2007, 3, No. 47, doi:10.1186/1860-5397-3-47

• Jean Boivin Van Tai Nguyen Institut de Chimie des Substances Naturelles, C.N.R.S., Avenue de la Terrasse, 91198 Gif-sur-Yvette, France National Institute of Medicine Materials, 3B, Quang Trung, Hanoi, Vietnam 10.1186/1860-5397-3-47 Abstract Under carefully controlled conditions, the

• spectroscopic data. Acknowledgements This research was supported by grants from the "Institut de Chimie des Substances Naturelles". We are grateful to Prof. J-Y Lallemand for much help and encouragement.

Part 2. Mechanistic aspects of the reduction of S-alkyl- thionocarbonates in the presence of triethylborane and air

• Florent Allais,
• Jean Boivin and
• Van Tai Nguyen

Beilstein J. Org. Chem. 2007, 3, No. 46, doi:10.1186/1860-5397-3-46

• Florent Allais Jean Boivin Van Tai Nguyen Institut de Chimie des Substances Naturelles, C.N.R.S., Avenue de la Terrasse, 91198 Gif-sur-Yvette, France Institut National de la Recherche Agronomique, Centre de Versailles, Route de St-Cyr, 78026 Versailles, France National Institute of Medicine

• . Acknowledgements This research was supported by grants from the "Institut de Chimie des Substances Naturelles". We are grateful to Prof. J-Y Lallemand for much help and encouragement. Many thanks also to Jean-François Gallard for hetero nuclear NMR experiments.

Part 1. Reduction of S-alkyl- thionocarbonates and related compounds in the presence of trialkylboranes/air

• Jean Boivin and
• Van Tai Nguyen

Beilstein J. Org. Chem. 2007, 3, No. 45, doi:10.1186/1860-5397-3-45

• Jean Boivin Van Tai Nguyen Institut de Chimie des Substances Naturelles, C.N.R.S., Avenue de la Terrasse, 91198 Gif-sur-Yvette, France National Institute of Medicine Materials, 3B, Quang Trung, Hanoi, Vietnam 10.1186/1860-5397-3-45 Abstract A new, mild, and environment friendly process for the

• « Institut de Chimie des Substances Naturelles », 1–3 June 2005, Gif-sur-Yvette, France and at the "1st German-French Congress in Organic Chemistry", Goslar, September 7th – 11th, 2005. The recent observation made by Wood and his colleagues that O-alkylxanthates may be deoxygenated by the combination Et3B

• -thionocarbonates and related compounds in the presence of trialkylboranes/air. Detailed procedures for preparation of new compounds and their spectroscopic data. Acknowledgements This research was supported by grants from the "Institut de Chimie des Substances Naturelles". We are grateful to Prof. J-Y Lallemand

Asymmetric aza-Diels- Alder reaction of Danishefsky's diene with imines in a chiral reaction medium

• Bruce Pégot,
• Olivier Nguyen Van Buu,
• Didier Gori and
• Giang Vo-Thanh

Beilstein J. Org. Chem. 2006, 2, No. 18, doi:10.1186/1860-5397-2-18

• Bruce Pegot Olivier Nguyen Van Buu Didier Gori Giang Vo-Thanh Laboratoire de Chimie des Procédés et Substances Naturelles, ICMMO, CNRS UMR 8182, Université Paris-Sud, 91405 Orsay Cedex, France 10.1186/1860-5397-2-18 Abstract The asymmetric aza-Diels-Alder reaction of chiral imines with

Synthesis and glycosidase inhibitory activity of new hexa- substituted C8-glycomimetics

• Olivia Andriuzzi,
• Christine Gravier-Pelletier,
• Gildas Bertho,
• Thierry Prangé and
• Yves Le Merrer

Beilstein J. Org. Chem. 2005, 1, No. 12, doi:10.1186/1860-5397-1-12

• Olivia Andriuzzi Christine Gravier-Pelletier Gildas Bertho Thierry Prange Yves Le Merrer Université Paris Descartes, UMR 8601 CNRS, Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, 45 rue des Saints-Pères, 75270 Paris Cedex 06, France Université Paris Descartes, UMR 8015 CNRS

A convenient synthesis of γ-functionalized cyclopentenones

• Nour Lahmar,
• Taïcir Ben Ayed,
• Moncef Bellassoued and
• Hassen Amri

Beilstein J. Org. Chem. 2005, 1, No. 11, doi:10.1186/1860-5397-1-11

• Nour Lahmar Taicir Ben Ayed Moncef Bellassoued Hassen Amri Laboratoire de Chimie Organique & Organométallique, Faculté des Sciences, Campus Universitaire 2092-Tunis, Tunisie Laboratoire de Synthèse Organométallique, 5 mail Gay-Lussac, Neuville sur Oise, 95031 Cergy-Pontoise Cedex, France 10.1186