Search filters

List of works by Igor V Alabugin

1,2-Dications in organic main group systems

scientific article published on 01 January 2003

5-Exo-dig radical cyclization of enediynes: the first synthesis of tin-substituted benzofulvenes

scientific article published on 01 July 2004

5-endo-dig radical cyclizations: "the poor cousins" of the radical cyclizations family.

scientific article

Alkyne Origami: Folding Oligoalkynes into Polyaromatics

scientific article published on 20 April 2018

Alkynes as Synthetic Equivalents of Ketones and Aldehydes: A Hidden Entry into Carbonyl Chemistry

scientific article published on 15 March 2019

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

scientific article published on 01 August 2009

Antiaromaticity Gain Activates Tropone and Nonbenzenoid Aromatics as Normal-Electron-Demand Diels-Alder Dienes

scientific article published on 28 August 2020

Aromatic transition states in nonpericyclic reactions: anionic 5-endo cyclizations are aborted sigmatropic shifts

scientific article published on 13 June 2012

C-lysine conjugates: pH-controlled light-activated reagents for efficient double-stranded DNA cleavage with implications for cancer therapy

scientific article published on August 2009

C1-c5 photochemical cyclization of enediynes.

scientific article published in August 2002

CO2 or SO2: Should It Stay, or Should It Go?

scientific article published on 29 April 2019

Chameleonic reactivity of vicinal diazonium salt of acetylenyl-9,10-anthraquinones: synthetic application toward two heterocyclic targets.

scientific article published on 4 October 2011

Comment on "Single-crystal X-ray structure of 1,3-dimethylcyclobutadiene by confinement in a crystalline matrix".

scientific article published in November 2010

Control of kinetics and thermodynamics of [1,5]-shifts by aromaticity: a view through the prism of Marcus theory

scientific article published on 01 August 2003

Controlled Evolution of the Cope Rearrangement: Transition from Concerted to Interrupted and Aborted Pericyclic Reactions Regulated by a Switch Built from an Intramolecular Frustrated Lewis Pair

scientific article published on 30 October 2019

Coupling N-H Deprotonation, C-H Activation, and Oxidation: Metal-Free C(sp3)-H Aminations with Unprotected Anilines.

scientific article published on 16 October 2017

Coupling Radical Homoallylic Expansions with C-C Fragmentations for the Synthesis of Heteroaromatics: Quinolines from Reactions of o-Alkenylarylisonitriles with Aryl, Alkyl, and Perfluoroalkyl Radicals

scientific article published on 30 March 2017

Cyclizations of Alkynes: Revisiting Baldwin’s Rules for Ring Closure

scientific article (publication date: 9 November 2011)

DNA damage-site recognition by lysine conjugates.

scholarly article

Dissecting alkynes: full cleavage of polarized C≡C moiety via sequential bis-Michael addition/retro-Mannich cascade

scientific article published on 19 August 2011

Divergent cyclizations of 1-R-ethynyl-9,10-anthraquinones: use of thiourea as a "S2-" equivalent in an "anchor-relay" addition mediated by formal C-H activation.

scientific article

Drawing Catalytic Power from Charge Separation: Stereoelectronic and Zwitterionic Assistance in the Au(I)-Catalyzed Bergman Cyclization

scientific article

Drawing from a pool of radicals for the design of selective enyne cyclizations.

scientific article published on 4 November 2013

Effect of double-hyperconjugation on the apparent donor ability of sigma-bonds: insights from the relative stability of delta-substituted cyclohexyl cations

scientific article published on 01 December 2004

Efficient synthesis of the first betulonic acid-acetylene hybrids and their hepatoprotective and anti-inflammatory activity.

scientific article

Electronic basis of improper hydrogen bonding: a subtle balance of hyperconjugation and rehybridization

scientific article published in May 2003

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

scientific article published in March 2001

Engineering pH-Gated Transitions for Selective and Efficient Double-Strand DNA Photocleavage in Hypoxic Tumors ⬇️

scientific article published on November 22, 2011

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

scientific article published on 23 November 2010

Finding the right path: Baldwin "rules for ring closure" and stereoelectronic control of cyclizations

scientific article published on 01 December 2013

Fine-tuning alkyne cycloadditions: Insights into photochemistry responsible for the double-strand DNA cleavage via structural perturbations in diaryl alkyne conjugates ⬇️

scientific article published on June 16, 2011

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

scientific article published on 05 December 2012

Homoanomeric effects in six-membered heterocycles

scientific article published on 01 November 2003

How to Build Rigid Oxygen-Rich Tricyclic Heterocycles from Triketones and Hydrogen Peroxide: Control of Dynamic Covalent Chemistry with Inverse α-Effect

scientific article published on 12 August 2020

Hybrids of amino acids and acetylenic DNA-photocleavers: optimising efficiency and selectivity for cancer phototherapy ⬇️

scientific article published on April 11, 2012

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

scientific article published on 29 July 2008

Interrupted Bayer-Villiger Rearrangement: Building A Stereoelectronic Trap for the Criegee Intermediate.

scientific article published on 31 January 2018

Intracellular DNA damage by lysine-acetylene conjugates

scientific article

Isonitriles as Stereoelectronic Chameleons: The Donor-Acceptor Dichotomy in Radical Additions

article

Lysine-enediyne conjugates as photochemically triggered DNA double-strand cleavage agents

scientific article

Making endo-cyclizations favorable again: a conceptually new synthetic approach to benzotriazoles via azide group directed lithiation/cyclization of 2-azidoaryl bromides

scientific article published on 01 May 2019

Metal-free transformation of phenols into substituted benzamides: a highly selective radical 1,2-O→C transposition in O-aryl-N-phenylthiocarbamates

scientific article published on 01 November 2010

Moderating strain without sacrificing reactivity: design of fast and tunable noncatalyzed alkyne-azide cycloadditions via stereoelectronically controlled transition state stabilization

scientific article published on 15 January 2013

Negative Charge as a Lens for Concentrating Antiaromaticity: Using a Pentagonal "Defect" and Helicene Strain for Cyclizations

scientific article published on 12 December 2019

Ortho effect in the Bergman cyclization: comparison of experimental approaches and dissection of cycloaromatization kinetics

scientific article published in February 2006

Ortho effect in the Bergman cyclization: electronic and steric effects in hydrogen abstraction by 1-substituted naphthalene 5,8-diradicals.

scientific article published in February 2006

Ortho effect in the Bergman cyclization: interception of p-benzyne intermediate by intramolecular hydrogen abstraction

scientific article published in February 2006

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

scientific article

Oxidative Photocyclization of Aromatic Schiff Bases in Synthesis of Phenanthridines and Other Aza-PAHs

scientific article published on 15 August 2020

Oxidative Properties of Triflic Anhydride. Oxidation of Alcohols and Sulfides

scientific article published on 01 April 1997

Ozone-Free Synthesis of Ozonides: Assembling Bicyclic Structures from 1,5-Diketones and Hydrogen Peroxide.

scientific article

Peroxycarbenium Ions as the "Gatekeepers" in Reaction Design: Assistance from Inverse Alpha-Effect in Three-Component β-Alkoxy-β-peroxylactones Synthesis

scientific article published on 15 October 2019

Photochemical Activation of Enediyne Warheads: A Potential Tool for Targeted Antitumor Therapy.

scientific article

Photoinduced phase transfer of luminescent quantum dots to polar and aqueous media

scientific article published on 24 September 2012

Polyaromatic ribbons from oligo-alkynes via selective radical cascade: stitching aromatic rings with polyacetylene bridges

scientific article published on 04 June 2012

Protected 32P-labels in deoxyribonucleotides: investigation of sequence selectivity of DNA photocleavage by enediyne-, fulvene-, and acetylene-lysine conjugates.

scientific article

Radical 1,2-O-->C transposition for conversion of phenols into benzoates by O-neophyl rearrangement/fragmentation cascade

scientific article published on 01 July 2010

Radical Alkyne Peri-annulations for Synthesis of Functionalized Phenalenes, Benzanthrenes, and Olympicene.

scientific article published on 5 February 2018

Radical O→C transposition: a metal-free process for conversion of phenols into benzoates and benzamides

scientific article published on 23 February 2011

Radical cascade transformations of tris(o-aryleneethynylenes) into substituted benzo[a]indeno[2,1-c]fluorenes

scientific article

Radical-anionic cyclizations of enediynes: remarkable effects of benzannelation and remote substituents on cyclorearomatization reactions.

scientific article published in April 2003

Rapid access to new bioconjugates of betulonic acid via click chemistry.

scientific article

Rehybridization as a general mechanism for maximizing chemical and supramolecular bonding and a driving force for chemical reactions

scientific article published on 01 January 2007

Reinvestigation of "Single-crystal X-ray structure of 1,3-dimethylcyclobutadiene"

scientific article published on 15 March 2013

Rules for Anionic and Radical Ring Closure of Alkynes

scientific article (publication date: 17 August 2011)

Selective transition state stabilization via hyperconjugative and conjugative assistance: stereoelectronic concept for copper-free click chemistry.

scientific article

Single molecule conductance of bipyridyl ethynes: the role of surface binding modes.

scientific article published on 13 November 2009

Stereocontrolled synthesis of (E,Z)-dienals via tandem Rh(I)-catalyzed rearrangement of propargyl vinyl ethers

scientific article published on 22 August 2013

Stereoelectronic Chameleons: The Donor-Acceptor Dichotomy of Functional Groups

scientific article published on 11 November 2016

Stereoelectronic Control in the Ozone-Free Synthesis of Ozonides.

scientific article published on 5 April 2017

Stereoelectronic Influence of a "Spectator" Propargylic Substituent Can Override Aromaticity Effects in Radical Peri-Cyclizations en Route to Expanded Polyaromatics

scientific article published on 04 February 2019

Stereoelectronic Interactions as a Probe for the Existence of the Intramolecular α-Effect.

scientific article published on 12 July 2017

Stereoelectronic interactions in cyclohexane, 1,3-dioxane, 1, 3-oxathiane, and 1,3-dithiane: W-effect, sigma(C)(-)(X) <--> sigma(C)(-)(H) interactions, anomeric effect-what is really important?

scientific article published on 01 June 2000

Strain-promoted azide-alkyne cycloadditions of benzocyclononynes

scientific article published on 10 February 2012

Substituent effects on stereoselectivity of dihalocarbene reactions with cyclohexadiene and on the reactivity of bis-dihalocyclopropanes in electrophilic nitrations en route to pyrimidine N-oxides.

scientific article published on 2 November 2017

Synthesis of selectively deuterated fulvenes and indenes from enediynes.

scientific article published on 14 December 2004

Thermodynamic and strain effects in the competition between 5-exo-dig and 6-endo-dig cyclizations of vinyl and aryl radicals

scientific article published in September 2005

Triplet acetylenes as synthetic equivalents of 1,2-bicarbenes, part II: new supramolecular scaffolds from photochemical cycloaddition of diarylacetylenes to 1,4-cyclohexadienes

scientific article published in August 2005

Triplet acetylenes as synthetic equivalents of 1,2-bicarbenes: phantom n,pi state controls reactivity in triplet photocycloaddition

scientific article published in March 2005

Tuning rate of the bergman cyclization of benzannelated enediynes with ortho substituents

scientific article published on 01 April 2002

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.

scientific article published on November 2009

Two-photon excitation of substituted enediynes.

scientific article published on January 2006

Twofold π-Extension of Polyarenes via Double and Triple Radical Alkyne peri-Annulations: Radical Cascades Converging on the Same Aromatic Core

scientific article published on 04 April 2020

Upconversion of Reductants

scientific article published on 20 February 2019

Paulina is supported by:

About Paulina

Help