A. Vidal

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Synthesis of isoquinoline derivatives by a tandem aza-Wittig/electrocyclization strategy and preparation of the unknown 1,9-diazaphenalene ring by a consecutive electrocyclic ring closure/Claisen rearrangement/intramolecular amination process

P. Molina, M. Alajarin, A. Vidal, 1990 .

General Methods

M. Alajarin, A. Vidal, Marta Marín‐Luna, 2008 .

Thermal cyclization of phenylallenes that contain ortho-1,3-dioxolan-2-yl groups: new cascade reactions initiated by 1,5-hydride shifts of acetalic H atoms.

M. Alajarin, A. Vidal, Marta Marín‐Luna, 2013, Chemistry.

Helical sense bias induced by point chirality in cage compounds.

M. Alajarin, A. Vidal, J. Steed, 2002, Angewandte Chemie.

N‐Phenyl‐1,2,4‐triazoline‐3,5‐dione (PTAD) as a Dienophilic Dinitrogen Equivalent: A Simple Synthesis of 3‐Amino‐1,2,4‐benzotriazines from Arylcarbodiimides

M. Alajarin, A. Vidal, Marta Marín‐Luna, 2010 .

Lewis Acid-mediated Formation of 1,3-Disubstituted Spiro[cyclopropane-1,2'-indanes]: The Activating Effect of the Cyclopropane Walsh Orbital.

M. Alajarin, A. Vidal, Marta Marín‐Luna, 2020, The Journal of organic chemistry.

Microbial oxidation in synthesis: Preparation of 6-deoxy cyclitol analogues of myo-inositol 1,4,5-trisphosphate from benzene

A. Vidal, S. Ley, M. Parra, 1989 .

retro-Cheletropic ene reactions with 2-carbena-1,3-dioxolane as chelefuge

A. Vidal, Marta Marín‐Luna, P. Sánchez-Andrada, 2011 .

From ketenimines to ketenes to quinolones: two consecutive pseudopericyclic events.

A. Vidal, P. Sánchez-Andrada, D. Bautista, 2005, Organic letters.

The consecutive [2+2] cycloaddition-ring expansion route to diastereomeric 1,4-diazepin-5-ones from imino-ketenimines. Alternative intramolecular transamidation of β-lactams

A. Vidal, Fulgencio Tovar, M. Alajarín, 2005 .

Persistent radical effect in the intramolecular addition of benzylic radicals onto ketenimines: selective cross-coupling of α-(indol-2-yl)benzyl radicals with the 1-cyano-1-methylethyl radical

A. Vidal, D. Bautista, M. Alajarín, 2004 .

Accessing polysubstituted oxazolidines, pyrrolidines and imidazolidines by regioselective [3 + 2] annulations of ketenimines with donor–acceptor oxiranes and aziridines

A. Vidal, Marta Marín‐Luna, Raúl-Ángel Orenes, 2018 .

Synthesis of 6H -thieno [3,2 -b]pyridin -7 -ones from N-(2-X-carbonyl)-3-thienyl ketenimines (X = RS, ArO, R2N) via consecutive [1,5]-X sigmatropic rearrangement and 6π -electrocyclization

A. Vidal, M. Alajarín, María-Mar Ortín, 2007 .

New methodology for the preparation of quinazoline derivatives via tandem aza-Wittig/heterocumulene-mediated annulation. Synthesis of 4(3H)-quinazolinones, benzimidazo[1,2-c]quinazolines, quinazolino[3,2-a]quinazolines and benzothiazolo[3,2-c]quinazolines

P. Molina, A. Vidal, M. Alajarín, 1989 .

Recent Highlights in Ketenimine Chemistry

A. Vidal, Marta Marín‐Luna, M. Alajarín, 2012 .

Mode selectivity in the intramolecular cyclization of ketenimines bearing N-acylimino units: a computational and experimental study.

Angel Vidal, A. Vidal, P. Sánchez-Andrada, 2005, The Journal of organic chemistry.

Intramolecular addition of benzylic radicals onto ketenimines. Synthesis of 2-alkylindoles.

A. Vidal, M. Alajarín, María-Mar Ortín, 2003, Organic & biomolecular chemistry.

Intramolecular [4 + 2] cycloaddition reactions of ketenimines: A new synthesis of benz[b]acridines

A. Vidal, Fulgencio Tovar, M. Alajarín, 2002 .

Highly stereocontrolled [2+2] cycloaddition versus unprecedented imino-ene reactions of imino-ketenimines

A. Vidal, P. Sánchez-Andrada, Fulgencio Tovar, 2002 .

Periselective intramolecular [4+2] cycloadditions of ketenimines: synthesis of pyrido[1,2-a]benzimidazoles

A. Vidal, Fulgencio Tovar, M. Alajarín, 2000 .

Formal [4+2] intramolecular cycloaddition ketenimine-imine. Synthesis of benzimidazo[1,2-b]isoquinolines

A. Vidal, Fulgencio Tovar, M. Alajarín, 1999 .

Surpassing Torquoelectronic Effects in Conrotatory Ring Closures: Origins of Stereocontrol in Intramolecular Ketenimine–Imine [2+2] Cycloadditions

Mateo Alajarin, Fernando P. Cossío, Angel Vidal, 1999 .

The First Aza-Wittig Reaction of the β-Lactam Carbonyl Group

P. Molina, A. Vidal, Fulgencio Tovar, 1998 .

Intramolecular [2 + 2] cycloaddition of ketenimines with imines. Synthesis and chemical behaviour of azeto[2,1-b]quinazolines

P. Molina, A. Vidal, Fulgencio Tovar, 1997 .

Electrocyclization of β-Arylvinyl Ketenimines: Formal Syntheses of the Alkaloid from Marine Origin, 5,8-Dihydro-7-methoxy-1,6-dimethylisoquinoline-5,8-dione, and 3-Ethoxycarbonylrenierol

P. Molina, A. Vidal, Fulgencio Tovar, 1997 .

Formal Total Synthesis of the Alkaloid Cryptotackieine (Neocryptolepine)

P. Molina, A. Vidal, M. Alajarín, 1997 .

INTRAMOLECULAR 2 + 2 CYCLOADDITION OF KETENIMINES WITH IMINES

P. Molina, A. Vidal, M. Alajarín, 1996 .

Regiospecific Electrocyclization of β-Arylvinyl Ketenimines. Formal Syntheses of the Alkaloid from Marine Origin Aaptamine

P. Molina, A. Vidal, I. Barquero, 1996 .

Iminophosphorane-mediated bispyrido annulation onto five-membered rings. X-ray crystal structure of 6,7-dibenzylamino-13-methoxymethyl-13H-diquino 4,3-b:3′,4′-dpyrrole. acetonitrile complex

P. Molina, A. Vidal, C. Foces-Foces, 1995 .

Preparation of [5,6,6] tricyclic guanidines from C,C-bis(iminophosphoranes)

P. Molina, A. Vidal, M. Alajarín, 1995 .

An Efficient One-Pot Synthesis of Pyrrolo[4,3,2-ij]isoquinoline Derivatives by a Consecutive Aza-Wittig/Electrocyclic Ring-Closure/Intramolecular Acylation Process

P. Molina, A. Vidal, M. Alajarín, 1992 .

Reactivity and synthetic applications of bis(iminophosphoranes). One-pot preparation of pyrido[2,3,4-de]quinazolines and benzo[de][1,6]naphthyridines

P. Molina, A. Vidal, M. Alajarín, 1992 .

C=C-conjugated carbodiimides as 2-aza dienes in intramolecular [4+2] cycloadditions. One-pot preparation of quinoline, .alpha.-carboline, and quinindoline derivatives

P. Molina, A. Vidal, P. Sánchez-Andrada, 1992 .

One pot preparation of pyrido[2,3,4-de]quinazolines and benzo[de][1,6]naphthyridines by a consecutive process involving an aza-Wittig/electrocyclic ring-closure/heterocumulene-mediated annelation or intramolecular Diels-Alder cycloaddition sequence.

P. Molina, A. Vidal, M. Alajarín, 1991 .

New methodology for the preparation of pyrrole and indole derivatives via iminophosphoranes:synthesis of pyrrolo[1,2-a]quinoxalines, indolo[3,2-c]quinolines and indolo[1,2-c]quinazolines

P. Molina, A. Vidal, M. Alajarín, 1990 .

Ortho-pyrrolylphenyl heterocumulenes: preparation and cyclization to fused pyrroles

P. Molina, A. Vidal, M. Alajarín, 1989 .

Iminophosphorane-mediated synthesis of fused [1,2,4]triazines: preparation of the novel [1,2,4]triazino[4,3-b][1,2,4,5]tetrazine ring system

P. Molina, A. Vidal, J. Elguero, 1988 .

Heterocyclic synthesis via a tandem aza-Wittig reaction/heterocumulene-mediated annulation reaction. New methodology for the preparation of quinazoline derivatives.

P. Molina, A. Vidal, M. Alajarín, 1988 .

One-pot preparation of derivatives of the unknown 1,9-diazaphenalene ring by a consecutive electrocyclic ring-closure/Claisen rearrangement/intramolecular amination process

P. Molina, A. Vidal, M. Alajarín, 1990 .

[4 + 2] Cycloaddition reaction of C-aryl ketenimines with PTAD as a synthetic equivalent of dinitrogen. Synthesis of triazolocinnolines and cinnolines.

A. Vidal, Marta Marín‐Luna, Raúl-Ángel Orenes, 2009, The Journal of organic chemistry.

Ketenimine and imine functions linked by an ethylene group. Intramolecular [4+2] cycloadditions leading to imidazo[1,2-b]isoquinolines

A. Vidal, P. Sánchez-Andrada, D. Bautista, 2003 .

Thermal cyclization of N-[2-(2-propenyl)-1-naphthyl] ketenimines: intramolecular Diels–Alder reaction versus [1,5] hydrogen migration. Synthesis of dibenz[b,h]acridines and benzo[h]quinolines

A. Vidal, M. Alajarín, María-Mar Ortín, 2005 .

Lewis acid catalyzed [3 + 2] annulation of ketenimines with donor-acceptor cyclopropanes: an approach to 2-alkylidenepyrrolidine derivatives.

A. Vidal, Raúl-Ángel Orenes, M. Alajarín, 2016, Organic & biomolecular chemistry.

Unprecedented intramolecular [3 + 2] cycloadditions of azido-ketenimines and azido-carbodiimides. Synthesis of indolo[1,2-a]quinazolines and tetrazolo[5,1-b]quinazolines.

A. Vidal, Raúl-Ángel Orenes, Baltasar Bonillo, 2011, Organic & biomolecular chemistry.

Synthesis of 2-substituted 4H-3,1-benzoxazin-4-ones by thermally induced cyclization of N-(2-benzyloxycarbonyl)phenyl ketenimines; oxygen-to- carbon migration of a benzyl group

A. Vidal, D. Bautista, M. Alajarín, 2005 .

Chemodivergent Conversion of Ketenimines Bearing Cyclic Dithioacetalic Units into Isoquinoline-1-thiones or Quinolin-4-ones as a Function of the Acetalic Ring Size.

A. Vidal, Marta Marín‐Luna, P. Sánchez-Andrada, 2019, The Journal of organic chemistry.

1,5-(H, RO, RS) shift/6π-electrocyclic ring closure tandem processes on N-[(α-heterosubstituted)-2-tolyl]ketenimines: a case study of relative migratory aptitudes and activating effects.

A. Vidal, Raúl-Ángel Orenes, Baltasar Bonillo, 2012, Organic & biomolecular chemistry.

Functionalization of Acetalic C(sp3)-H Bonds by Scandium(III) Triflate-Catalyzed Intramolecular Redox Reactions: Tandem 1,4-Hydride Transfer/1,5-Cyclization Processes Leading to Protected 1-Indanones

A. Vidal, Marta Marín‐Luna, M. Alajarín, 2011 .

Domino reactions initiated by intramolecular hydride transfers from tri(di)arylmethane fragments to ketenimine and carbodiimide functions.

A. Vidal, P. Sánchez-Andrada, Raúl-Ángel Orenes, 2010, Organic & biomolecular chemistry.

Intramolecular ketenimine-ketenimine [2 + 2] and [4 + 2] cycloadditions.

A. Vidal, P. Sánchez-Andrada, Baltasar Bonillo, 2007, The Journal of organic chemistry.

Hydricity-promoted [1,5]-H shifts in acetalic ketenimines and carbodiimides.

A. Vidal, P. Sánchez-Andrada, Baltasar Bonillo, 2006, Organic letters.

Tandem pseudopericyclic reactions: [1,5]-X sigmatropic shift/6pi-electrocyclic ring closure converting N-(2-X-carbonyl)phenyl ketenimines into 2-X-quinolin-4(3H)-ones.

A. Vidal, P. Sánchez-Andrada, M. Alajarín, 2006, The Journal of organic chemistry.

From ketenimines to ketenes to quinolones: two consecutive pseudopericyclic events.

A. Vidal, P. Sánchez-Andrada, D. Bautista, 2005, Organic letters.

Tripod–Tripod Coupling of Triazides with Triphosphanes. The Synthesis, Characterization, and Stability in Solution of New Cage Compounds: Chiral Macrobicyclic Triphosphazides

A. Vidal, J. Berná, M. Alajarín, 1998 .

Tandem 1,5‐Hydride Shift/6π Electrocyclization of Ketenimines and Carbodiimides Substituted with Cyclic Acetal and Dithioacetal Functions: Experiments and Computations

A. Vidal, P. Sánchez-Andrada, Baltasar Bonillo, 2011 .

First radical addition onto ketenimines: a novel synthesis of indoles

A. Vidal, M. Alajarín, María-Mar Ortín, 2003 .

Synthetic applications of bis(iminophosphoranes). One-pot preparation of rigid bicyclic guanidines

P. Molina, A. Vidal, M. Alajarín, 1993 .

One-pot preparation of rigid bicyclic guanidines from bis(iminophosphoranes) by a consecutive five-step process

P. Molina, A. Vidal, M. Alajarín, 1992 .

The Consecutive [2 + 2] Cycloaddition-Ring Expansion Route to Diastereomeric 1,4-Diazepin-5-ones from Imino-Ketenimines. Alternative Intramolecular Transamidation of β-Lactams.

A. Vidal, Fulgencio Tovar, M. Alajarín, 2005 .

Electrocyclization of β-Arylvinyl Ketenimines: Formal Syntheses of the Alkaloid from Marine Origin, 5,8-Dihydro-7-methoxy-1,6-dimethylisoquinoline-5,8-dione, and 3-Ethoxycarbonylrenierol.

P. Molina, A. Vidal, Fulgencio Tovar, 1998 .

C=C‐Conjugated Carbodiimides as 2‐Azadienes in Intramolecular (4 + 2) Cycloadditions. One‐Pot Preparation of Quinoline, α‐Carboline, and Quinindoline Derivatives.

P. Molina, A. Vidal, P. Sánchez-Andrada, 1992 .

Acid-promoted cycloisomerizations of phenylallenes bearing acetalic functions at the ortho position: a stereocontrolled entry to indeno-fused dioxepanes, dioxocanes and thioanalogues.

A. Vidal, Marta Marín‐Luna, Raúl-Ángel Orenes, 2015, Organic & biomolecular chemistry.

Tandem Processes in C-Aryl Ketenes and Ketenimines Triggered by [1,5]-Hydride-Like Migration of an Acetalic Hydrogen Atom

A. Vidal, Marta Marín‐Luna, M. Alajarín, 2014 .

Determination of the absolute configuration of the enantiomers of dihydroquinolines, isolated by chiral chromatography, by non empirical analysis of circular dichroism spectra and X-ray analysis

A. Vidal, C. Rosini, G. Mazzeo, 2011 .

Tandem processes promoted by a hydrogen shift in 6-arylfulvenes bearing acetalic units at ortho position: a combined experimental and computational study

A. Vidal, Marta Marín‐Luna, P. Sánchez-Andrada, 2016, Beilstein journal of organic chemistry.

Iminophosphorane-substituted proton sponges. Part 5. Structures in the solid state. Correlation between solid state 31P MAS NMR spectra and crystal structures

P. Molina, A. Vidal, J. Elguero, 1994 .

Tandem [1,5]-H shift/6π-electrocyclizations of ketenimines bearing 1,3-oxathiane units. Computational assessment of the experimental diastereoselection

Pilar Sanchez-Andrada, Mateo Alajarin, Angel Vidal, 2012 .

Benzylic Newman–Kwart rearrangement of O-azidobenzyl thiocarbamates triggered by phosphines: pseudopericyclic [1,3] shifts via uncoupled concerted mechanisms

A. Vidal, Marta Marín‐Luna, P. Sánchez-Andrada, 2009 .

Design and synthesis of a new macrobicyclic tris(phosphazide)

A. Vidal, J. Berná, C. Lopez-Leonardo, 1998 .

Exploring the Conversion of Macrocyclic 2,2'-Biaryl Bis(thioureas) into Cyclic Monothioureas: An Experimental and Computational Investigation.

A. Vidal, P. Sánchez-Andrada, Aurelia Pastor, 2018, The Journal of organic chemistry.

An efficient preparation of macrocycles containing two tetra-coordinate phosphorus atoms

P. Molina, A. Vidal, A. Arques, 1997 .

The X-ray crystal structure of a ternary cocrystallization compound : N,N-dimethyl-o-phenylenediamine-fluoroboric acid-triphenylphosphine oxide

P. Molina, A. Vidal, J. Elguero, 1991 .

Use of a guanidinium ionophore in a hydrogen sulfite-selective electrode

A. Vidal, L. Bachas, R. S. Hutchins, 1994 .

Hydrogen sulfite optical sensor based on a lipophilic guanidinium ionophore

A. Vidal, I. Badr, L. Bachas, 1999 .

Iminophosphorane-substituted proton sponges. Part 4. Comparison of X-ray molecular structures with solution properties (pKa, 1H and 13C NMR spectroscopy)

P. Molina, A. Vidal, J. Elguero, 1993 .

Salicylate-selective electrode based on a biomimetic guanidinium ionophore.

A. Vidal, L. Bachas, R. S. Hutchins, 1997, Analytical chemistry.

An AM1 and PM3 molecular orbital study of the pericyclic reactivity of aryl carbodiimides.

P. Molina, A. Vidal, H. Rzepa, 1992 .

Iminophosphorane-substituted proton sponges. Part 1. X-ray molecular structures of 1,8-diaminonaphthalene and 1-amino-8-triphenylphosphoranylideneaminonaphthalene

José Elguero, Mateo Alajarin, Concepción Foces-Foces, 1991 .