All Stories

  1. UV and Sunlight Driven Photoligation of Quantum Dots: Understanding the Photochemical Transformation of the Ligands
  2. Conformational Flexibility of Fused Tetracenedione Propellers Obtained from One-Pot Reductive Dimerization of Acetylenic Quinones
  3. Opening Enediyne Scissors Wider: pH-Dependent DNA Photocleavage bymeta-Diyne Lysine Conjugates
  4. Traceless Directing Groups in Radical Cascades: From Oligoalkynes to Fused Helicenes without Tethered Initiators
  5. Coupling cyclizations with fragmentations for the preparation of heteroaromatics: quinolines from o-alkenyl arylisocyanides and boronic acids
  6. Orbital hybridization: a key electronic factor in control of structure and reactivity
  7. Rerouting Radical Cascades: Intercepting the Homoallyl Ring Expansion in Enyne Cyclizations via C–S Scission
  8. Alkynyl Crown Ethers as a Scaffold for Hyperconjugative Assistance in Noncatalyzed Azide–Alkyne Click Reactions: Ion Sensing through Enhanced Transition-State Stabilization
  9. Design of Leaving Groups in Radical CC Fragmentations: Through-Bond 2c-3e Interactions in Self-Terminating Radical Cascades
  10. Synthesis of Substituted Biaryls through Gold-Catalyzed Petasis-Ferrier Rearrangement of Propargyl Ethers
  11. Hybridization Trends for Main Group Elements and Expanding the Bent’s Rule Beyond Carbon: More than Electronegativity
  12. Organic synthesis with continuous flow water film pulsed plasma discharge
  13. A CO2 Cloak for the Cyanide Dagger
  14. Rh(I)-Catalyzed Transformation of Propargyl Vinyl Ethers into ( E , Z )-Dienals: Stereoelectronic Role of trans Effect in a Metal-Mediated Pericyclic Process and a Shift from Homogeneous to Heterogeneous Catalysis During a One-Pot Reaction
  15. Exo-DigRadical Cascades of Skipped Enediynes: Building a Naphthalene Moiety within a Polycyclic Framework
  16. Drawing from a Pool of Radicals for the Design of Selective Enyne Cyclizations
  17. Concerted Reactions That Produce Diradicals and Zwitterions: Electronic, Steric, Conformational, and Kinetic Control of Cycloaromatization Processes
  18. Stereocontrolled Synthesis of (E,Z)-Dienals via Tandem Rh(I)-Catalyzed Rearrangement of Propargyl Vinyl Ethers
  19. Editorial
  20. “Two Functional Groups in One Package”: Using Both Alkyne π-Bonds in Cascade Transformations
  21. Chemical reactions in pulsed plasma with organic liquid spray
  22. “Stereoelectronic Umpolung”: Converting a p-Donor into a σ-Acceptor via Electron Injection and a Conformational Change
  23. Combining Ligand Design with Photoligation to Provide Compact, Colloidally Stable, and Easy to Conjugate Quantum Dots
  24. Reinvestigation of “Single-Crystal X-ray Structure of 1,3-dimethylcyclobutadiene”
  25. How to Lose a Bond in Two Ways ― The Diradical/Zwitterion Dichotomy in Cycloaromatization Reactions
  26. Divergent Cyclizations of 1-R-Ethynyl-9,10-anthraquinones: Use of Thiourea as a “S 2– ” Equivalent in an “Anchor-Relay” Addition Mediated by Formal C–H Activation
  27. Moderating Strain without Sacrificing Reactivity: Design of Fast and Tunable Noncatalyzed Alkyne–Azide Cycloadditions via Stereoelectronically Controlled Transition State Stabilization
  28. Overriding the alkynophilicity of gold: catalytic pathways from higher energy Au(i)–substrate complexes and reactant deactivation via unproductive complexation in the gold(i)-catalyzed propargyl Claisen rearrangement
  29. Finding the right path: Baldwin “Rules for Ring Closure” and stereoelectronic control of cyclizations
  30. CHAPTER 7.2. Organochalcogen Multication Species
  31. Convenient Ambient Temperature Generation of Sulfonyl Radicals
  32. Gold(I)-Catalyzed Claisen Rearrangement of Allenyl Vinyl Ethers: Missing Transition States Revealed through Evolution of Aromaticity, Au(I) as an Oxophilic Lewis Acid, and Lower Energy Barriers from a High Energy Complex
  33. Photoinduced Phase Transfer of Luminescent Quantum Dots to Polar and Aqueous Media
  34. Strain control in nucleophilic cyclizations: reversal of exo -selectivity in cyclizations of hydrazides of acetylenyl carboxylic acids by annealing to a pyrazole scaffold
  35. Aromatic Transition States in Nonpericyclic Reactions: Anionic 5-Endo Cyclizations Are Aborted Sigmatropic Shifts
  36. Polyaromatic Ribbons from Oligo-Alkynes via Selective Radical Cascade: Stitching Aromatic Rings with Polyacetylene Bridges
  37. Tandem Nucleophilic Addition/Fragmentation of Vinylogous Acyl Nonaflates for the Synthesis of Functionalized Alkynes, with New Mechanistic Insight
  38. Photochemical Bergman Cyclization and Related Photoreactions of Enediynes
  39. Unusual Cyclizations
  40. Strain-Promoted Azide–Alkyne Cycloadditions of Benzocyclononynes
  41. Selective Transition State Stabilization via Hyperconjugative and Conjugative Assistance: Stereoelectronic Concept for Copper-Free Click Chemistry
  42. Hybrids of amino acids and acetylenic DNA-photocleavers: optimising efficiency and selectivity for cancer phototherapy
  43. Engineering pH-Gated Transitions for Selective and Efficient Double-Strand DNA Photocleavage in Hypoxic Tumors
  44. Cyclizations of Alkynes: Revisiting Baldwin’s Rules for Ring Closure
  45. ChemInform Abstract: Hyperconjugation
  46. Dissecting Alkynes: Full Cleavage of Polarized C≡C Moiety via Sequential Bis-Michael Addition/Retro-Mannich Cascade
  47. Rules for Anionic and Radical Ring Closure of Alkynes
  48. Fine-tuning alkyne cycloadditions: Insights into photochemistry responsible for the double-strand DNA cleavage via structural perturbations in diaryl alkyne conjugates
  49. Radical O→C Transposition: A Metal-Free Process for Conversion of Phenols into Benzoates and Benzamides
  50. Urea as an organic solvent and reagent for the addition/cyclization/fragmentation cascades leading to 2-R-7H-dibenzo[de,h]quinolin-7-one analogues of Aporphinoid alkaloids
  51. Hyperconjugation
  52. Rapid access to new bioconjugates of betulonic acid via click chemistry
  53. Fast Oxy-Cope Rearrangements of Bis-alkynes: Competition with Central C−C Bond Fragmentation and Incorporation in Tunable Cascades Diverging from a Common Bis-allenic Intermediate
  54. Single Molecule Conductance of Bipyridyl Ethynes: The Role of Surface Binding Modes †
  55. Comment on "Single-Crystal X-ray Structure of 1,3-Dimethylcyclobutadiene by Confinement in a Crystalline Matrix"
  56. Metal-Free Transformation of Phenols into Substituted Benzamides: A Highly Selective Radical 1,2-O→C Transposition in O-Aryl-N-phenylthiocarbamates
  57. ChemInform Abstract: SO3-Mediated Reaction of Phenylselenenamide with 1,2- Alkadienylphosphonates.
  58. Radical 1,2-O→C Transposition for Conversion of Phenols into Benzoates by O-Neophyl Rearrangement/Fragmentation Cascade
  59. Hydrogen Bonding in Organic Synthesis Hydrogen Bonding in Organic Synthesis . Edited by Petri M. Pihko (University of Jyväskylä, Finland). WILEY-VCH Verlag GmbH & Co. KGaA: Weinheim. 2009. xii + 384 pp. $215. ISBN 978-3-527-31895-7 .
  60. Conformationally Gated Fragmentations and Rearrangements Promoted by Interception of the Bergman Cyclization through Intramolecular H-Abstraction: A Possible Mechanism of Auto-Resistance to Natural Enediyne Antibiotics?
  61. Intracellular DNA Damage by Lysine-Acetylene Conjugates
  62. Tuning Selectivity of Anionic Cyclizations: Competition between 5-Exo and 6-Endo-Dig Closures of Hydrazides of o- Acetylenyl Benzoic Acids and Based-Catalyzed Fragmentation/Recyclization of the Initial 5-Exo-Dig Products
  63. An Unexpected Rearrangement That Disassembles Alkyne Moiety Through Formal Nitrogen Atom Insertion between Two Acetylenic Carbons and Related Cascade Transformations: New Approach to Sampangine Derivatives and Polycyclic Aromatic Amides
  64. C-Lysine Conjugates: pH-Controlled Light-Activated Reagents for Efficient Double-Stranded DNA Cleavage with Implications for Cancer Therapy
  65. Efficient synthesis of the first betulonic acid–acetylene hybrids and their hepatoprotective and anti-inflammatory activity
  66. Synthesis of the first acetylene derivatives of betulonic acid
  67. Synthetic and mechanistic aspects of cross-coupling of nitroxyl radicals of 3-imidazoline series with terminal alkynes
  68. Radical Cascade Transformations of Tris( o -aryleneethynylenes) into Substituted Benzo[ a ]indeno[2,1- c ]fluorenes
  69. In Search of Efficient 5-Endo-dig Cyclization of a Carbon-Centered Radical: 40 Years from a Prediction to Another Success for the Baldwin Rules
  70. Oxidative coupling of alkynes mediated by nitroxyl radicals under Sonogashira conditions and Pd-free catalytic approach to stable radicals of 3-imidazoline family with triple bonds
  71. DNA damage-site recognition by lysine conjugates
  72. Organochalcogen Multication Species
  73. Substituted anilines: The tug-of-war between pyramidalization and resonance inside and outside of crystal cavities
  74. Chapter 7.2. Organochalcogen Multication Species
  75. Cycloaromatization reactions: the testing ground for theory and experiment
  76. Protected32P-Labels in Deoxyribonucleotides: Investigation of Sequence Selectivity of DNA Photocleavage by Enediyne–, Fulvene–, and Acetylene–Lysine Conjugates
  77. Protected32P-Labels in Deoxyribonucleotides: Investigation of Sequence Selectivity of DNA Photocleavage by Enediyne–, Fulvene–, and Acetylene–Lysine Conjugates
  78. Ortho Effect in the Bergman Cyclization:  Electronic and Steric Effects in Hydrogen Abstraction by 1-Substituted Naphthalene 5,8-Diradicals
  79. Ortho Effect in the Bergman Cyclization:  Comparison of Experimental Approaches and Dissection of Cycloaromatization Kinetics
  80. Rehybridization as a general mechanism for maximizing chemical and supramolecular bonding and a driving force for chemical reactions
  81. Two-Photon Excitation of Substituted Enediynes
  82. Thermodynamic and Strain Effects in the Competition between 5-Exo-dig and 6-Endo-dig Cyclizations of Vinyl and Aryl Radicals
  83. Triplet Acetylenes as Synthetic Equivalents of 1,2-Bicarbenes, Part II: New Supramolecular Scaffolds from Photochemical Cycloaddition of Diarylacetylenes to 1,4-Cyclohexadienes
  84. 5-Endo-Dig Radical Cyclizations:  “The Poor Cousins” of the Radical Cyclizations Family
  85. Triplet Acetylenes as Synthetic Equivalents of 1,2-Bicarbenes:  Phantom n,π* State Controls Reactivity in Triplet Photocycloaddition
  86. Synthesis of selectively deuterated fulvenes and indenes from enediynes
  87. Lysine–enediyne conjugates as photochemically triggered DNA double-strand cleavage agents
  88. Effect of Double-Hyperconjugation on the Apparent Donor Ability of σ-Bonds:  Insights from the Relative Stability of δ-Substituted Cyclohexyl Cations
  89. 5-Exo-dig Radical Cyclization of Enediynes: The First Synthesis of Tin-Substituted Benzofulvenes.
  90. 5-Exo-dig Radical Cyclization of Enediynes: The First Synthesis of Tin-Substituted Benzofulvenes
  91. Blue-Shifted and Red-Shifted Hydrogen Bonds in Hypervalent Rare-Gas FRg−H···Y Sandwiches
  92. Homoanomeric Effects in Six-Membered Heterocycles
  93. Control of Kinetics and Thermodynamics of [1,5]-Shifts by Aromaticity:  A View through the Prism of Marcus Theory
  94. Electronic Basis of Improper Hydrogen Bonding:  A Subtle Balance of Hyperconjugation and Rehybridization
  95. Reactant Destabilization in the Bergman Cyclization and Rational Design of Light- and pH-Activated Enediynes †
  96. 1,2-Dications in Organic Main Group Systems
  97. Radical-Anionic Cyclizations of Enediynes:  Remarkable Effects of Benzannelation and Remote Substituents on Cyclo re aromatization Reactions
  98. 1,2-Dications in Organic Main Group Systems
  99. C1−C5 Photochemical Cyclization of Enediynes [ J. Am. Chem. Soc. 2002 , 124, 9052−9053].
  100. C1−C5 Photochemical Cyclization of Enediynes
  101. Tuning Rate of the Bergman Cyclization of Benzannelated Enediynes with Ortho Substituents
  102. Stereoelectronic Effects and General Trends in Hyperconjugative Acceptor Ability of σ Bonds
  103. Energy Distribution and Redistribution and Chemical Reactivity. The Generalized Delta Overlap-Density Method for Ground State and Electron Transfer Reactions:  A New Quantitative Counterpart of Electron-Pushing 1
  104. Experimental and Theoretical Host–Guest Photochemistry; Control of Reactivity with Host Variation and Theoretical Treatment With a Stress Shaped Reaction Cavity; Mechanistic and Exploratory Organic Photochemistry
  105. Excited State Energy Distribution and Redistribution and Chemical Reactivity; Mechanistic and Exploratory Organic Photochemistry 1,2
  106. Dramatic Effects of Crystal Morphology on Solid State Reaction Course;1Control by Crystal Disorder; Mechanistic and Exploratory Organic Photochemistry
  107. Oxidative Properties of Triflic Anhydride. Oxidation of Alcohols and Sulfides
  108. Phosphorylated allenes: structure and interaction with electrophiles
  109. SO3-Mediated reaction of phenylselenenylamide with 1,2-alkadienylphosphonates
  110. Alkenylsulfenylchlorides : Synthesis and AdE reactions of 2-alkoxy-2-oxo-3-R-4-chlorothio-1,2-oxaphosphol-3-enes