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chemistry, inorganic & nuclear (238) 238
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1. Full Text New Phosphine Ligand Architectures Lead to Efficient Gold Catalysts for Cycloisomerization Reactions at Very Low Loading
by Mahamulkar, Shraddha G and Císařová, Ivana and Jahn, Ullrich
Advanced Synthesis & Catalysis, ISSN 1615-4150, 11/2018, Volume 360, Issue 21, pp. 4215 - 4224
A simple and efficient access to a new P‐chiral, but so far racemic ligand class featuring ortho ‐trityl and ortho ‐biaryl motifs is reported. The phosphines... 
phosphine oxides | gold catalysis | phosphine ligands | gold complexes | cycloisomerization | ROOM-TEMPERATURE | SKELETAL REORGANIZATION | COMPLEXES | CHEMISTRY, ORGANIC | HOMOGENEOUS AU-CATALYSIS | REARRANGEMENTS | HIGHLY EFFICIENT | ORGANOMETALLIC CHEMISTRY | HYDROALKOXYLATION | CHEMISTRY, APPLIED | CYCLIZATION | ENYNES | Architecture | Oxides | Catalysis | Gold | Catalysts | Isomerization | Ligands | X ray spectra | Crystallography | Phosphines | Substrates
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2. Full Text Synthesis of Bridged Diketopiperazines by Using the Persistent Radical Effect and a Formal Synthesis of Bicyclomycin
by Amatov, Tynchtyk and Pohl, Radek and Císařová, Ivana and Jahn, Ullrich
Angewandte Chemie International Edition, ISSN 1433-7851, 10/2015, Volume 54, Issue 41, pp. 12153 - 12157
A conceptually new and unified approach to diverse bridged diketopiperazines (DKPs) with widely variable ring sizes was developed by taking advantage of the... 
radicals | cyclization | bicyclomycin | alkaloids | bridged diketopiperazines | ALKALOIDS SYNTHESIS | CHEMISTRY, MULTIDISCIPLINARY | MALBRANCHEAMIDE B | STEPHACIDIN-B | ALKOXYAMINES | CHEMISTRY | ENANTIOSELECTIVE TOTAL-SYNTHESIS | DERIVATIVES | EFFICIENT | ALPHA-CARBAMOYL RADICALS | Anti-Bacterial Agents - chemical synthesis | Cyclization | Diketopiperazines - chemistry | Stereoisomerism | Anti-Bacterial Agents - chemistry | Bridged Bicyclo Compounds, Heterocyclic - chemistry | Models, Molecular | Alkaloids - chemical synthesis | Crystallography, X-Ray | Diketopiperazines - chemical synthesis | Alkaloids - chemistry | Bridged Bicyclo Compounds, Heterocyclic - chemical synthesis | Alkaloids | Synthesis | Architecture | Antibiotics | Radicals | Three dimensional
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3. Full Text Selective Gold‐Catalysed Synthesis of Cyanamides and 1‐Substituted 1H‐Tetrazol‐5‐Amines from Isocyanides
by Škoch, Karel and Císařová, Ivana and Štěpnička, Petr
Chemistry – A European Journal, ISSN 0947-6539, 09/2018, Volume 24, Issue 52, pp. 13788 - 13791
The newly discovered gold‐catalysed reaction of isocyanides with hydrazoic acid generated in situ from trimethylsilyl azide and methanol (or, alternatively,... 
gold | isocyanides | cycloaddition | homogeneous catalysis | tetrazoles | C BOND-CLEAVAGE | TETRAZOLATO COMPLEXES | STRUCTURAL-CHARACTERIZATION | ARYLAMINOTETRAZOLES | ALKYNES | TRIMETHYLSILYL AZIDE | CHEMISTRY, MULTIDISCIPLINARY | FRAMEWORKS | MEDICINAL CHEMISTRY | PALLADIUM(II) | METAL-COMPLEXES | Amines | Catalysis | Hydrazoic acid | Substitutes | Gold | Sodium azide | Sodium azides | Chemical synthesis | Cyanamides
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4. Full Text An Organometallic Route to Long Helicenes
by Petr Sehnal and Irena G. Stará and David Šaman and Miloš Tichý and Jiří Míšek and Josef Cvačka and Lubomír Rulíšek and Jana Chocholoušová and Jaroslav Vacek and Grzegorz Goryl and Marek Szymonski and Ivana Císařová and Ivo Starý and Jerrold Meinwald
Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, 8/2009, Volume 106, Issue 32, pp. 13169 - 13174
Along with the recent progress in the development of advanced synthetic methods, the chemical community has witnessed an increasing interest in promising... 
Molecules | Organic chemistry | Chirality | Imaging | Materials | Catalysis | Enantiomers | Scaffolds | Room temperature | Alkynes | Helicene | Alkyne cycloisomerization | Nonracemic compounds | STM imaging | DFT calculations | helicene | ENERGY | ASYMMETRIC-SYNTHESIS | OCTA-HELICENE | HEPTA-HELICENE | APPROXIMATION | MULTIDISCIPLINARY SCIENCES | nonracemic compounds | RESOLUTION | alkyne cycloisomerization | TRIYNES | MOLECULES | CHIRALITY | 2+2+2 CYCLOISOMERIZATION | Polycyclic Compounds - chemistry | Thermodynamics | Polycyclic Compounds - chemical synthesis | Stereoisomerism | Microscopy, Scanning Tunneling | Models, Molecular | Organometallic Compounds - chemistry | Racemization | Ion transport | Physiological aspects | Research | Physical Sciences
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5. Full Text Synthesis and Catalytic Use of Gold(I) Complexes Containing a Hemilabile Phosphanylferrocene Nitrile Donor
by Škoch, Karel and Císařová, Ivana and Štěpnička, Petr
Chemistry – A European Journal, ISSN 0947-6539, 11/2015, Volume 21, Issue 45, pp. 15998 - 16004
Removal of the chloride ligand from [AuCl( 1 ‐κ P )] ( 2 ) containing a P‐monodentate 1′‐(diphenylphosphanyl)‐1‐cyanoferrocene ligand ( 1 ), by using silver(I)... 
gold | phosphane ligands | structure elucidation | homogeneous catalysis | metallocenes | COORDINATION CHEMISTRY | FURANS | ORGANIC TRANSFORMATIONS | NATURAL-PRODUCTS | EFFICIENT SYNTHESIS | CHEMISTRY, MULTIDISCIPLINARY | HIGHLY EFFICIENT | CYCLOISOMERIZATION | 2,5-DISUBSTITUTED OXAZOLES | INTRAMOLECULAR HYDROALKOXYLATION | CYCLIZATION | Usage | Oxazoles | Analysis | Nitriles | Metallocenes | Catalysis | Polymers | Ligands | Addition polymerization | Catalysts | Precursors | Chlorides | Dimers
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6. Full Text Unique Stereoselective Homolytic C−O Bond Activation in Diketopiperazine‐Derived Alkoxyamines by Adjacent Amide Pyramidalization
by Amatov, Tynchtyk and Jangra, Harish and Pohl, Radek and Cisařová, Ivana and Zipse, Hendrik and Jahn, Ullrich
Chemistry – A European Journal, ISSN 0947-6539, 10/2018, Volume 24, Issue 57, pp. 15336 - 15345
Simple monocyclic diketopiperazine (DKP)‐derived alkoxyamines exhibit unprecedented activation of a remote C−O bond for homolysis by amide distortion. The... 
amides | persistent radical effect | radicals | isomerization | cleavage reactions | NITROXIDE | STRUCTURAL-CHARACTERIZATION | CHEMISTRY, MULTIDISCIPLINARY | CENTERED RADICALS | N ROTATIONAL PATHWAY | CYCLIC DIPEPTIDES | RATE CONSTANTS | PROCHIRAL RADICALS | X-RAY | CHEMISTRY | LIVING RADICAL POLYMERIZATIONS | Thermodynamics | Diastereomers | Analysis | Isomerization | Amino acids | Amides | Nitrogen | Stereoselectivity | Planarization | Rate constants | Acids | Computer applications | Nitrogen atoms | Distortion | Activation | Crystallography
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7. Full Text Rapid Access to Dibenzohelicenes and their Functionalized Derivatives
by Jančařík, Andrej and Rybáček, Jiří and Cocq, Kevin and Vacek Chocholoušová, Jana and Vacek, Jaroslav and Pohl, Radek and Bednárová, Lucie and Fiedler, Pavel and Císařová, Ivana and Stará, Irena G and Starý, Ivo
Angewandte Chemie International Edition, ISSN 1433-7851, 09/2013, Volume 52, Issue 38, pp. 9970 - 9975
Spiraling up : Easy access to dibenzo[5]‐, dibenzo[6]‐, and dibenzo[7]helicenes (see picture) as well as their functionalized derivatives includes Sonogashira... 
asymmetric synthesis | chirality | alkynes | helical structures | aromaticity | ASYMMETRIC CATALYSIS | OCTA-HELICENE | ENANTIOSELECTIVE SYNTHESIS | HEPTA-HELICENE | OPTICAL-PROPERTIES | STEREOSELECTIVE SYNTHESES | ONE HUNDRED YEARS | CHEMISTRY, MULTIDISCIPLINARY | STILBENE-LIKE COMPOUNDS | THERMAL RACEMIZATION | HELICAL MOLECULES | Synthesis | Organic compounds | Couplings | Pictures | Derivatives | Helicity | Parents | Alkynes
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8. Full Text Synthesis of Two Isomeric Ferrocene Phosphanylcarboxylic Acids and their PdII Complexes with and without Auxiliary ortho‐Metalated C,E‐Ligands (E = N and S)
by Zábranský, Martin and Císařová, Ivana and Štěpnička, Petr
European Journal of Inorganic Chemistry, ISSN 1434-1948, 05/2017, Volume 2017, Issue 19, pp. 2557 - 2572
Two homologous ferrocene phosphanylcarboxylic acids, viz., 1′‐[(diphenylphosphanyl)methyl]ferrocene‐1‐carboxylic acid ( HL 1 ) and... 
Palladium | Metallocenes | Hybrid donors | Structure elucidation | Phosphane ligands | Iron compounds | Acetic acid | Chelates | Organic acids | Ligands
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9. Full Text Synthesis of Phosphanylferrocenecarboxamides Bearing Guanidinium Substituents and Their Application in the Palladium‐Catalyzed Cross‐Coupling of Boronic Acids with Acyl Chlorides
by Charvátová, Hana and Císařová, Ivana and Štěpnička, Petr
European Journal of Inorganic Chemistry, ISSN 1434-1948, 01/2017, Volume 2017, Issue 2, pp. 288 - 296
Phosphanylferrocene donors bearing polar guanidinium substituents, namely acylguanidinium chloride, [Ph 2 PfcCONHC(NH 2 )NH 2 ]Cl ( 1 ), and amidoguanidinium... 
Palladium | N,P ligands | Cross‐coupling | Phosphane ligands | Ferrocene | Cross-coupling | PENDANT GROUPS | SUPRAMOLECULAR CATALYST | CATIONIC PHOSPHINE-LIGANDS | STRUCTURAL-CHARACTERIZATION | BIOLOGICAL-ACTIVITIES | CHEMISTRY, INORGANIC & NUCLEAR | ARYL BROMIDES | N, P ligands | HYDROFORMYLATION-HYDROGENATION | PHOSPHINOFERROCENE LIGANDS | ELECTRONIC-STRUCTURE | CARBOXYLIC-ACIDS | Palladium catalysts | Dichloropropane | Metallocenes | Chlorides | Acids | Ligands | Cross coupling | Synthesis | Catalysts | Catalysis | Bearing
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10. Full Text Oxidative Catalysis Using the Stoichiometric Oxidant as a Reagent: An Efficient Strategy for Single‐Electron‐Transfer‐Induced Tandem Anion–Radical Reactions
by Kafka, František and Holan, Martin and Hidasová, Denisa and Pohl, Radek and Císařová, Ivana and Klepetářová, Blanka and Jahn, Ullrich
Angewandte Chemie International Edition, ISSN 1433-7851, 09/2014, Volume 53, Issue 37, pp. 9944 - 9948
Oxidative single‐electron transfer‐catalyzed tandem reactions consisting of a conjugate addition and a radical cyclization are reported, which incorporate the... 
Michael addition | radical reactions | electron transfer | domino reactions | cyclization | TRANSITION | VISIBLE-LIGHT PHOTOCATALYSIS | BONDS | C-C | CHEMISTRY, MULTIDISCIPLINARY | PHOTOREDOX CATALYSIS | Biomimetics | Electron transport | Catalysis | Conjugates | Asymmetry | Oxidants | Oxidizing agents | Strategy | Transformations | Terminals | Derivatives
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11. Full Text Synthesis, Palladium(II) Complexes, and Catalytic Use of a Phosphanylferrocene Ligand Bearing a Guanidinium Pendant
by Bárta, Ondřej and Císařová, Ivana and Štěpnička, Petr
European Journal of Inorganic Chemistry, ISSN 1434-1948, 01/2017, Volume 2017, Issue 2, pp. 489 - 495
A polar phosphanylferrocene donor equipped with a hydrophilic guanidinium pendant, Ph 2 PfcCH 2 NHC(NH)NH 2 · HCl ( 1· HCl; fc = ferrocene‐1,1′‐diyl), has been... 
Cross‐coupling | Phosphane ligands | P ligands | Palladium | Ferrocene | Borates | Carboxamidines | Cross-coupling | ORGANOBORON COMPOUNDS | CRYSTAL-STRUCTURE | CATIONIC PHOSPHINE-LIGANDS | STRUCTURAL-CHARACTERIZATION | CHEMISTRY, INORGANIC & NUCLEAR | AMIDE SUBSTITUENTS | COORDINATION PROPERTIES | COUPLING REACTIONS | ASYMMETRIC HYDROGENATION | METAL-COMPLEXES | PHOSPHINOFERROCENE CARBOXAMIDES | Palladium catalysts | Jewelry | Usage | Metallocenes | Surface active agents | Synthesis (chemistry) | Cross coupling | Catalysts | Aromatic compounds | Bromides | Ligands | Catalysis
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12. Full Text Enantioselective Synthesis of All‐Carbon Quaternary Centers Structurally Related to Amaryllidaceae Alkaloids
by Mikušek, Jiří and Jansa, Petr and Jagtap, Pratap R and Vašíček, Tomáš and Císařová, Ivana and Matoušová, Eliška
Chemistry – A European Journal, ISSN 0947-6539, 07/2018, Volume 24, Issue 40, pp. 10069 - 10072
Enantioselective synthesis of all‐carbon quaternary centers remains a considerable challenge for synthetic organic chemists. Here, we report a two‐step... 
enantioselectivity | all-carbon quaternary centers | cyclization | synthetic methods | alkaloids | DOMINO REACTIONS | REAGENTS | CHEMISTRY, MULTIDISCIPLINARY | KETONES | STEREOCENTERS | ORGANIC-COMPOUNDS | CONSTRUCTION | DERIVATIVES | Chemical synthesis | Enantiomers | Alkaloids | Organic chemistry | Synthesis | Bioactive compounds | Quaternary | Absolute configuration | Chemists | Stereochemistry | Carbon | Polycyclic compounds
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