Enantioselektive Synthese von 4‐Desmethyl‐3α‐hydroxy‐ 15‐ripperten (Deutsch)

Titelbild: Nickel α‐Keto‐β‐Diimine Initiators for Olefin Polymerization (Angew. Chem. 6/2009)

Titelbild: Nickel a-Keto-b-Diimine Initiators for Olefin Polymerization (Angew. Chem. 6/2009)

Innentitelbild: Enantioselective Desymmetrization of meso‐Aziridines with TMSN₃ or TMSCN Catalyzed by Discrete Yttrium Complexes (Angew. Chem. 6/2009)

Graphisches Inhaltsverzeichnis: Angew. Chem. 6/2009

Nd₂K₂IrO₇ und Sm₂K₂IrO₇: Normaldrucksynthese komplexer Iridium(VI)‐oxide

Nd2K2IrO7 und Sm2K2IrO7: Normaldrucksynthese komplexer Iridium(VI)-oxide Diese Arbeit wurde gefördert durch die National Science Foundation, Grant DMR:0450103 und DMR:0804209.

Top‐Beiträge aus unseren Schwesterzeitschriften: Angew. Chem. 6/2009

Top-Beitrage aus unseren Schwesterzeitschriften: Angew. Chem. 6/2009

Jun‐ichi Yoshida

Ruthenium-katalysierte Isomerisierung von terminalen Olefinen: Anwendungen in der Synthese Wir danken der Fundação para a Ciência e a Tecnologia (MCTES, Portugal) für finanzielle Unterstützung.

Ruthenium‐katalysierte Isomerisierung von terminalen Olefinen: Anwendungen in der Synthese

Hypervalente Bromverbindungen: kleine Analoga von hypervalenten Iodverbindungen oder “Enfants Terribles”?

Orale Verabreichung von Protein‐ und Peptidwirkstoffen entlang der Vitamin‐B₁₂‐Route

Zweidimensionale Polymere: nur ein Traum von Synthetikern?

A Synthesis of Tamiflu by Using a Barium‐Catalyzed Asymmetric Diels–Alder‐Type Reaction

A Synthesis of Tamiflu by Using a Barium-Catalyzed Asymmetric Diels-Alder-Type Reaction This work was supported by Grant-in-Aid for Specially Promoted Research of MEXT and Grant-in-Aid for Scientific Research (S) and (B) from JSPS. Akihiro Sato and Sanae Furusho of JASCO International Co., Ltd. are acknowledged for ESI-QFT-MS measurements of the barium complexes. K.Y. thanks the JSPS for research fellowships.

σ and π Donation in an Unsupported Uranium-Gallium Bond We thank the Royal Society, the EPSRC, and the Australian Research Council for funding, the NSCCS for computational time, and Dr. J. van Slageren (Nottingham) for magnetic measurements.

σ and π Donation in an Unsupported Uranium–Gallium Bond

and p Donation in an Unsupported Uranium-Gallium Bond

Discrete Self‐Assembly of Iron(III) Ions inside Triple‐Stranded Artificial DNA

Discrete Self-Assembly of Iron(III) Ions inside Triple-Stranded Artificial DNA This work is supported by a Grant-in-Aid for Scientific Research (S) to M.S. (No. 16105001), the Global COE Program for Chemistry Innovation, and a Grant-in-Aid for JSPS Fellows to Y.T. (No. 11921) from the Japan Society for the Promotion of Science.

Preparation of Rhodium Nanoparticles in Carbon Dioxide Induced Ionic Liquids and their Application to Selective Hydrogenation

Preparation of Rhodium Nanoparticles in Carbon Dioxide Induced Ionic Liquids and their Application to Selective Hydrogenation This work was supported by the Deutsche Forschungsgemeinschaft (SPP 1191 "Ionic Liquids", grant no. LE 930-11) and the Fonds der Chemischen Industrie. We thank Dr. B. Tesche and Axel Dreier (Max-Planck-Institut für Kohlenforschung, Mülheim am der Ruhr) for TEM measurements and Dr. Robert Kaufmann (Deutsches Wollforschunginstitut, RWTH Aachen) for XPS spectra. The Alexander von Humboldt Foundation is gratefully acknowledged for making this collaboration possible through a fellowship to V.I.P.

Nickel α‐Keto‐β‐Diimine Initiators for Olefin Polymerization

Nickel α-Keto-β-Diimine Initiators for Olefin Polymerization This work was funded through MC-CAM. R.S.R. and A.V.S. thank FONDECYT: 11060384.

Nickel a-Keto-b-Diimine Initiators for Olefin Polymerization

Dynamic Combinatorial Evolution within Self‐Replicating Supramolecular Assemblies

Dynamic Combinatorial Evolution within Self-Replicating Supramolecular Assemblies We thank the CNRS, the icFRC (RTRA), and the University Louis Pasteur for financial support. This work was supported by a doctoral fellowship of the Région Alsace (R.N.). We also acknowledge ESF-COST System Chemistry action.

Cycloaddition-Promoted Self-Assembly of a Polymer into Well-Defined β Sheets and Hierarchical Nanofibrils We acknowledge financial support from the National Institutes of Health (R01EB004936) and the Department of Energy (DE-FG02-04ER46162). We thank Prof. Alexander McPherson in the Department of Molecular Biology & Biochemistry for assistance with AFM, Prof. James Nowick in the Department of Chemistry for assistance with HPLC, Dr. Jian-Guo Zheng at the Materials Characterization Center for assistance with TEM, and Dr. Wytze Van der Veer, Dr Phil Dennison, and Dr. John Greaves in the Department of Chemistry for assistance with CD, NMR spectroscopy, and MS. We also thank Dr. Youli Li at the Materials Research Lab of UCSB for WXRD instrument assistance.

Cycloaddition‐Promoted Self‐Assembly of a Polymer into Well‐Defined β Sheets and Hierarchical Nanofibrils

Cycloaddition-Promoted Self-Assembly of a Polymer into Well-Defined b Sheets and Hierarchical Nanofibrils

Adducts of NH3 with the Conformers of Glycidol: A Rotational Spectroscopy Study This research was funded by MIUR and the University of Bologna.

Adducts of NH₃ with the Conformers of Glycidol: A Rotational Spectroscopy Study

Reactions of Tin(II) Hydride Species with Unsaturated Molecules

Reactions of Tin(II) Hydride Species with Unsaturated Molecules Support of the Deutsche Forschungsgemeinschaft is highly acknowledged.

Total Synthesis of a Protected Aglycon of the Kedarcidin Chromophore

Total Synthesis of a Protected Aglycon of the Kedarcidin Chromophore This work was supported financially by a Grant-in-Aid for Specially Promoted Research from the Ministry of Education, Culture, Sports, Science, and Technology (MEXT), SORST (Japan), and the Science and Technology Agency (JST). We are especially grateful to Dr. John E. Leet at Bristol-Myers Squibb for kindly providing the 1H NMR spectra of the natural kedarcidin chromophore.

Easy Copper-Catalyzed Synthesis of Primary Aromatic Amines by Couplings Aromatic Boronic Acids with Aqueous Ammonia at Room Temperature Financial support was provided by the National Natural Science Foundation of China (grant nos. 20672065, 20732004), the Ministry of Science and Technology of China (grant nos. 2007AA02Z160, 2006DFA43030). Programs for New Century Excellent Talents in University (grant no. NCET-05-0062) and Changjiang Scholars and Innovative Research Team in University (PCSIRT) (grant no. IRT0404) in China, and the Key Subject Foundation from the Beijing Department of Education (grant no. XK100030514) are acknowledged.

Easy Copper‐Catalyzed Synthesis of Primary Aromatic Amines by Couplings Aromatic Boronic Acids with Aqueous Ammonia at Room Temperature

Dinitrogen Reduction and C H Activation by the Divalent Organoneodymium Complex [(C5H2tBu3)2Nd(m-I)K([18]crown-6)]

Dinitrogen Reduction and CH Activation by the Divalent Organoneodymium Complex [(C₅H₂tBu₃)₂Nd(μ‐I)K([18]crown‐6)]

Dinitrogen Reduction and C&bond;H Activation by the Divalent Organoneodymium Complex [(C5H2tBu3)2Nd(µ-I)K([18]crown- -6)] We acknowledge financial support from the Ecole Polytechnique, the CNRS and the Australian Research Council. We thank Mr. Finlay Shanks (Monash University) for the Raman measurements, Dr. Boujemaa Moubaraki (Monash University) for the magnetic moment measurement, and Dr. Roger Mulder (CSIRO) for the 15N NMR measurement.

A Photoreactive Ruthenium(II) Complex Tethered to a Guanine-Containing Oligonucleotide: A Biomolecular Tool that Behaves as a "Seppuku Molecule" The authors thank the Région Wallonne (contract no. 0616289) for financial support of this project and COST for supporting the collaboration between the Belgian (ULB) and French teams. P.G. also thanks the FRS-FNRS for continuing support.

A Photoreactive Ruthenium(II) Complex Tethered to a Guanine‐Containing Oligonucleotide: A Biomolecular Tool that Behaves as a “Seppuku Molecule”

Enantioselective Desymmetrization of meso‐Aziridines with TMSN₃ or TMSCN Catalyzed by Discrete Yttrium Complexes

Enantioselective Desymmetrization of meso-Aziridines with TMSN3 or TMSCN Catalyzed by Discrete Yttrium Complexes This work was supported by the US National Science Foundation programs CHE-0526864 (Collaborative Research in Chemistry) and CHE-0610349. TMS=trimethylsilyl.

Size‐Selective Helical Stacking and Template Polymerization of Oligosaccharides around a Linear Polymeric Guest Molecule

Size-Selective Helical Stacking and Template Polymerization of Oligosaccharides around a Linear Polymeric Guest Molecule This work was supported by the Ministry of Education, Culture, Sports, Science, and Technology of Japan (no. 16685004), Special Education and Research Expenses, Post-Silicon Materials and Devices Research Alliance, and the G-COE program.

Cyclododecasulfur as a Ligand: From Gas-Phase Experiments to the Crystal Structures of [Cu(S12)(S8)]+ and [Cu(S12)(CH2Cl2)]+ We thank Dr. Jürgen Wörth and Christoph Warth from the OC-MS service of our Department for ESI-MS measurements. This work was supported by the Albert-Ludwigs Universität Freiburg, the Deutsche Forschungsgemeinschaft, and the Fonds der Chemischen Industrie.

Cyclododecasulfur as a Ligand: From Gas‐Phase Experiments to the Crystal Structures of [Cu(S₁₂)(S₈)]⁺ and [Cu(S₁₂)(CH₂Cl₂)]⁺

A Copper‐Catalyzed Tandem Synthesis of Indolo‐ and Pyrrolo[2,1‐a]isoquinolines

A Copper-Catalyzed Tandem Synthesis of Indolo- and Pyrrolo[2,1-a]isoquinolines The research work was supported by the Department of Science and Technology (DST) Government of India and the National Institute of General Medical Science (GM 070620 and GM 079593). A.K.V. was awarded a BOYSCAST Fellowship from the DST, Ministry of Science and Technology, Government of India for the Promotion of Science for Young Scientists. J.S. is thankful to CSIR. We thank Dr. Ellern Arkady, Iowa State University, for X-ray crystallographic data.

Total Synthesis of Bacilosarcins A and B

Total Synthesis of Bacilosarcins A and B We thank Prof. Yasuhiro Igarashi (Toyama Prefectural University) for providing spectra of the bacilosarcins and valuable discussions. Financial support for this work was provided by the Ministry of Education, Culture, Sports, Science, and Technology (Japan) (no. 19380065).

Stereocontrolled Synthesis of β-Amino Alcohols from Lithiated Aziridines and Boronic Esters F. Schmidt and F. Keller thank the DAAD and the DFG for postdoctoral fellowships. V.K.A. thanks The Royal Society for a Wolfson Research Merit Award and EPSRC for support of this work and for a Senior Research Fellowship. We thank Frontier Scientific for the generous donation of boronic acids and boronic esters. We thank the EPSRC National Crystallography Service and Dr. Jonathan Charmant for X-ray analysis.

Stereocontrolled Synthesis of β‐Amino Alcohols from Lithiated Aziridines and Boronic Esters

Stereocontrolled Synthesis of b-Amino Alcohols from Lithiated Aziridines and Boronic Esters

Titankatalysierte Hydroaminoalkylierung von Alkenen durch C-H-Aktivierung an sp3-Zentren in der α-Position zum Stickstoffatom Wir danken der Deutschen Forschungsgemeinschaft und dem Fonds der Chemischen Industrie für die finanzielle Förderung dieser Arbeit. Kerstin Gräbe danken wir für die Herstellung von [{(η5-C5H4)(Me2Si)NtBu}Ti(NMe- 2)2].

Titankatalysierte Hydroaminoalkylierung von Alkenen durch C‐H‐Aktivierung an sp³‐Zentren in der α‐Position zum Stickstoffatom

Titankatalysierte Hydroaminoalkylierung von Alkenen durch C-H-Aktivierung an sp3-Zentren in der a-Position zum Stickstoffatom

Enantioselektive Synthese von 4‐Desmethyl‐3α‐hydroxy‐ 15‐ripperten

Enantioselektive Synthese von 4-Desmethyl-3a-hydroxy- 15-ripperten

Enantioselektive Synthese von 4-Desmethyl-3α-hydroxy- 15-ripperten Wir danken Dipl.-Chem. Anne Jäger und Dr. Sebastian Ahrens für die Kristallstrukturanalysen sowie Takasago Inc. für eine großzügige Spende von (-)-Isopulegol.

Modulierung der biologischen Eigenschaften von Aspirin durch Bildung eines Bioorganometallderivats Die Autoren danken der Deutschen Forschungsgemeinschaft (DFG) für finanzielle Unterstützung (Forschergruppe FOR-630) sowie Petra Schumacher, Heike Scheffler, Laura Bertola und Sander Griepsma für die Durchführung von Experimenten.

Modulierung der biologischen Eigenschaften von Aspirin durch Bildung eines Bioorganometallderivats

Vorschau: Angew. Chem. 7/2009