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·Hutchins, R. S.; Bansal, P.; Molina, P.; Alajarin, M.; Vidal, A.; Bachas, L. G. Salicylate-Selective Electrode Based on a Biomimetic Guanidinium Ionophore. Anal. Chem. 1997, 69 (7), 1273–1278. https://pubs.acs.org/doi/abs/10.1021/ac960831g

·Alajarin, M.; Molina, P.; Lopez-Lazaro, A.; Foces-Foces, C. New Cage Compounds: Preparation and Characterization of Chiral C3-Symmetric Macrobicyclic Tris(Phosphazides). Angew. Chemie, Int. Ed. English 1997, 36 (1/2), 67–70. https://doi.org/10.1002/anie.199700671

·Alajarin, M.; Molina, P.; Vidal, A.; Tovar, F. Intramolecular [2 + 2] Cycloaddition of Ketenimines with Imines. Synthesis and Chemical Behavior of Azeto[2,1-b]Quinazolines. Tetrahedron 1997, 53 (39), 13449–13472. https://doi.org/10.1016/S0040-4020(97)00855-7

·Alajarin, M.; Molina, P.; Vidal, A. Formal Total Synthesis of the Alkaloid Cryptotackieine (Neocryptolepine). J. Nat. Prod. 1997, 60 (7), 747–748. https://pubs.acs.org/doi/abs/10.1021/np970177f?journalCode=jnprdf

·Molina, P.; Alajarin, M.; Sanchez-Andrada, P.; Carrio, J. S.; Martinez-Ripoll, M.; Anderson, J. E.; Jimeno, M. L.; Elguero, J. New Models for the Study of the Racemization Mechanism of Carbodiimides. Synthesis and Structure (X-Ray Crystallography and 1H NMR) of Cyclic Carbodiimides. J. Org. Chem. 1996, 61 (13), 4289–4299. https://pubs.acs.org/doi/abs/10.1021/jo951789c?journalCode=joceah

·Alajarin, M.; Molina, P.; Vidal, A. Intramolecular [2 + 2] Cycloaddition of Ketenimines with Imines. Tetrahedron Lett. 1996, 37 (49), 8945–8948. https://doi.org/10.1016/S0040-4020(97)00855-7

·Molina, P.; Alajarin, M.; Vidal, A. Preparation of [5,6,6] Tricyclic Guanidines from C,C-Bis(Iminophosphoranes). Tetrahedron 1995, 51 (18), 5351–5360. https://doi.org/10.1016/0040-4020(95)00196-F

·Molina, P.; Alajarin, M.; Vidal, A. 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’-d]Pyrrole.Acetonitrile Complex. Tetrahedron 1995, 51 (44), 12127–12142. https://doi.org/10.1016/0040-4020(95)00768-4

·Molina, P.; Alajarin, M.; Sanchez-Andrada, P. A Generalized and Efficient Preparation of a Novel Class of Macrocyclic Bis(Guanidines). Tetrahedron Lett. 1995, 36 (51), 9405–9408. https://pubs.acs.org/doi/abs/10.1021/jo972107j

·Hutchins, R. S.; Molina, P.; Alajarin, M.; Vidal, A.; Bachas, L. G. Use of a Guanidinium Ionophore in a Hydrogen Sulfite-Selective Electrode. Anal. Chem. 1994, 66 (19), 3188–3192. https://pubs.acs.org/doi/abs/10.1021/ac00091a030

·Molina, P.; Aller, E.; Lopez-Lazaro, A.; Alajarin, M.; Lorenzo, A. New Synthetic Applications of Vinyliminophosphoranes Based on the Reactivity of the Vinyl Side Chain. Tetrahedron Lett. 1994, 35 (22), 3817–3820. https://doi.org/10.1016/S0040-4039(00)73107-8

·Llamas-Saiz, A. L.; Foces-Foces, C.; Elguero, J.; Aguilar-Parrilla, F.; Limbach, H. H.; Molina, P.; Alajarin, M.; Vidal, A.; Claramunt, R. M.; Lopez, C. Iminophosphorane-Substituted Proton Sponges. Part 5. Structures in the Solid State. Correlation between Solid State 31P MAS NMR Spectra and Crystal Structures. J. Chem. Soc. Perkin Trans. 2  Phys. Org. Chem. 1994, No. 2, 209–212. https://pubs.rsc.org/en/content/articlelanding/1994/p2/p29940000209#!divAbstract

·Flammang, R.; Alajarin, M.; Lopez Leonardo, C.; Molina, P.; Elguero, J. Behavior of 2,4-Bis-Imino-1,3-Diazetidines under Electron Impact and Flash-Vacuum Pyrolysis (FVP) Conditions. Bull. Soc. Chim. Fr. 1994, 131 (6), 636–638. https://doi.org/10.1002/chin.199507176

·Molina, P.; Alajarin, M.; Sanchez-Andrada, P.; Elguero, J.; Jimeno, M. L. A New and Efficient Preparation of Cyclic Carbodiimides from Bis(Iminophosphoranes) and the System Boc2O/DMAP. J. Org. Chem. 1994, 59 (24), 7306–7315. https://pubs.acs.org/doi/abs/10.1021/jo00103a022

·Molina, P.; Alajarin, M.; Vidal, A. Synthetic Applications of Bis(Iminophosphoranes). One-Pot Preparation of Rigid Bicyclic Guanidines. J. Org. Chem. 1993, 58 (7), 1687–1695. https://doi.org/10.1002/chin.199331192

·Molina, P.; Alajarin, M.; Vldal, A. Synthetic Applications of Bis(Iminophosphoranes). One-Pot Preparation of Cyclic Guanidines. An. Quim. 1993, 89 (1), 137–138. https://pubs.acs.org/doi/abs/10.1021/jo00059a015?journalCode=joceah

·Molina, P.; Alajarin, M.; Lopez-Leonardo, C.; Alcantara, J. Reaction of Allyliminophosphoranes with Ketenes and Acyl Chlorides: One-Pot Preparation of 4-Pentenenitriles. Tetrahedron 1993, 49 (23), 5153–5168. https://doi.org/10.1016/S0040-4020(01)81880-9

 

·Molina, P.; Alajarin, M.; Sanchez-Andrada, P. Medium- and Large-Membered Rings from Bis(Iminophosphoranes): An Efficient Preparation of Cyclic Carbodiimides. Tetrahedron Lett. 1993, 34 (32), 5155–5158. https://doi.org/10.1016/S0040-4039(00)60701-3

·Laynez, J.; Menendez, M.; Saiz Velasco, J. L.; Llamas-Saiz, A. L.; Foces-Foces, C.; Elguero, J.; Molina, P.; Alajarin, M.; Vidal, A. Iminophosphorane-Substituted Proton Sponges. Part 4. Comparison of x-Ray Molecular Structures with Solution Properties (PKa, Proton and Carbon-13 NMR Spectroscopy). J. Chem. Soc. Perkin Trans. 2  Phys. Org. Chem. 1993, No. 4, 709–713. https://pubs.rsc.org/en/content/articlelanding/1993/p2/p29930000709#!divAbstract

·Molina, P.; Alajarin, M.; Lopez-Leonardo, C.; Elguero, J. Four-Membered Heterocyclic Rings from Iminophosphoranes. Preparation and Reactivity of 2,4-Dimino-1,3-Diazetidines and Related Compounds. J. fuer Prakt. Chemie/Chemiker-Zeitung 1993, 335 (4), 305–315. https://doi.org/10.1002/prac.19933350402

·Molina, P.; Alajarin, M.; Sanchez-Andrada, P. A Facile Synthesis of Some New 3H-Pyrrolo[2,3-c]Quinoline Derivatives from 4-Formylquinolines. Synthesis (Stuttg). 1993, No. 2, 225–228. https://doi.org/10.1002/chin.199325177

·Bertran, J.; Oliva, A.; Jose, J.; Duran, M.; Molina, P.; Alajarin, M.; Lopez Leonardo, C.; Elguero, J. Theoretical Study of the Mechanism of Dimerization of N,C-Disubstituted Carbodiimides. J. Chem. Soc. Perkin Trans. 2  Phys. Org. Chem. 1992, No. 2, 299–304. https://pubs.rsc.org/en/content/articlelanding/1992/p2/p29920000299#!divAbstract

·Molina, P.; Alajarin, M.; Vidal, A. Reactivity and Synthetic Applications of Bis(Iminophosphoranes).  One-Pot Preparation of Pyrido[2,3,4-de]Quinazolines and Benzo[de][1,6]Naphthyridines. J. Org. Chem. 1992, 57 (25), 6703–6711. https://pubs.acs.org/doi/abs/10.1021/jo00051a007

·Molina, P.; Alajarin, M.; Vidal, A. One-Pot Preparation of Rigid Bicyclic Guanidines from Bis(Iminophosphoranes) by a Consecutive Five-Step Process. J. Chem. Soc. Chem. Commun. 1992, No. 4, 295–296. https://pubs.rsc.org/en/content/articlelanding/1992/c3/c39920000295#!divAbstract

·Molina, P.; Alajarin, M.; Vidal, A.; Sanchez-Andrada, P. C=C-Conjugated Carbodiimides as 2-Aza Dienes in Intramolecular [4+2] Cycloadditions.  One-Pot Preparation of Quinoline, α-Carboline, and Quinindoline Derivatives. J. Org. Chem. 1992, 57 (3), 929–939. https://pubs.acs.org/doi/abs/10.1021/jo00029a026

·Molina, P.; Alajarin, M.; Vidal, A. An Efficient One-Pot Synthesis of Pyrrolo[4,3,2-Ij]Isoquinoline Derivatives by a Consecutive Aza-Wittig/Electrocyclic Ring-Closure/Intramolecular Acylation Process. Synthesis (Stuttg). 1992, No. 3, 293–296. https://www.thieme-connect.de/DOI/DOI?10.1055/s-1992-26095

·Rzepa, H. S.; Molina, P.; Alajarin, M.; Vidal, A. An AM1 and PM3 Molecular Orbital Study of the Pericyclic Reactivity of Aryl Carbodiimides. Tetrahedron 1992, 48 (36), 7425–7434. https://doi.org/10.1016/S0040-4020(01)90358-8

·Molina, P.; Alajarin, M.; Lopez-Lazaro, A. A Regioselective Entry to Azirino[1,2-a]Indole Derivatives by Epoxidation/Staudinger Reaction of o-Allylphenyl Azides. Tetrahedron Lett. 1992, 33 (17), 2387–2390. https://doi.org/10.1016/S0040-4039(00)74219-5

·Molina, P.; Alajarin, M.; Lopez-Leonardo, C.; Hernandez Cano, F.; Llamas-Saiz, A. L.; Foces-Foces, C.; Claramunt, R. M.; Elguero, J. 2,4-Bisimino-1,3-Diazetidines:  Iminophosphoranes, Carbodiimides and Related Betaines. J. Chem. Soc. Perkin Trans. 1  Org. Bio-Organic Chem. 1992, No. 2, 199–210. https://pubs.rsc.org/en/content/articlelanding/1992/p1/p19920000199#!divAbstract

·Llamas-Saiz, A. L.; Foces-Foces, C.; Elguero, J.; Molina, P.; Alajarin, M.; Vidal, A. The X-Ray Crystal Structure of a Ternary Cocrystallization Compound:  N,N-Dimethyl-o-Phenylenediamine-Fluoroboric Acid-Triphenylphosphine Oxide. J. Chem. Soc. Chem. Commun. 1991, No. 23, 1694–1695. https://pubs.rsc.org/en/Content/ArticleLanding/1991/C3/c39910001694#!divAbstract

·Molina, P.; Alajarin, M.; Lopez-Lazaro, A. Regioselective Iminophosphorane-Mediated Annelation of a 1,3,4-Thiadiazole Ring into a 1,2,4-Triazine Ring:  Preparation of Novel Mesoionic Compounds Derived from [1,3,4]Thiadiazolo[2,3-c]- and [1,3,4]Thiadiazolo[3,2-d][1,2,4]Triazines. Tetrahedron 1991, 47 (33), 6747–6758. https://doi.org/10.1016/S0040-4020(01)82326-7

·Molina, P.; Alajarin, M.; Vidal, A. 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 Annulation or Intramolecular Diels-Alder Cycloaddition Sequence. Tetrahedron Lett. 1991, 32 (39), 5379–5382. https://doi.org/10.1016/S0040-4039(00)92391-8

·Llamas-Saiz, A. L.; Foces-Foces, C.; Elguero, J.; Molina, P.; Alajarin, M.; Vidal, A. Iminophosphorane-Substituted Proton Sponges.  Part 3.  Preparation and Crystal Structure of Three Salts of Protonated 1-Dimethylamino-8-Triphenylphosphoranylideneammonionaphthalene. J. Chem. Soc. Perkin Trans. 2  Phys. Org. Chem. 1991, No. 12, 2033–2040. https://pubs.rsc.org/en/content/articlelanding/1991/p2/p29910002033#!divAbstract

·Llamas-Saiz, A. L.; Foces-Foces, C.; Elguero, J.; Molina, P.; Alajarin, M.; Vidal, A. Iminophosphorane-Substituted Proton Sponges.  Part 2.  Preparation and Crystal Structure of Four Phosphoranylideneammonionaphthalene Derivatives. J. Chem. Soc. Perkin Trans. 2  Phys. Org. Chem. 1991, No. 11, 1667–1676. https://pubs.rsc.org/en/Content/ArticleLanding/P2/1991/P29910001667#!divAbstract

·Molina, P.; Alajarin, M.; Lopez-Leonardo, C. Iminophosphorane-Mediated One-Pot Conversion of Allyl Azides into α-Allylated Nitriles by a Consecutive Staudinger Reaction/Aza-Wittig Reaction/3-Aza-Claisen Rearrangement Process. Tetrahedron Lett. 1991, 32 (32), 4041–4044. https://doi.org/10.1016/0040-4039(91)80623-E

·Molina, P.; Alajarin, M.; Vidal, A.; Fenau-Dupont, J.; Declerq, J. P. Domino Reactions.  One-Pot Preparation of Fluoreno[2,3,4-Ij]Isoquinoline Derivatives from Conjugated Ketene Imines. J. Org. Chem. 1991, 56 (12), 4008–4016. https://pubs.acs.org/doi/abs/10.1021/jo00012a039

·Molina, P.; Alajarin, M.; Vidal, A. 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. J. Org. Chem. 1990, 55 (25), 6140–6147. https://pubs.acs.org/doi/abs/10.1021/jo00312a020

·Molina, P.; Alajarin, M.; Vidal, A.; Feneau-Dupont, J.; Declercq, J. P. One-Pot Preparation of Derivatives of the Unknown Fluoreno[2,3,4-i,j]Isoquinoline Ring from Conjugated Ketenimines by a Consecutive Electrocyclic Ring Closure/Claisen Rearrangement/Intramolecular Diels-Alder Cycloaddition/Double Aromatization Process. J. Chem. Soc. Chem. Commun. 1990, No. 11, 829–831. https://pubs.rsc.org/en/Content/ArticleLanding/1990/C3/C39900000829#!divAbstract

·Molina, P.; Alajarin, M.; Vidal, A. One-Pot Preparation of Derivatives of the Unknown 1,9-Diazaphenalene Ring by a Consecutive Electrocyclic Ring-Closure/Claisen Rearrangement/Intramolecular Amination Process. J. Chem. Soc. Chem. Commun. 1990, No. 1, 7–8. https://pubs.rsc.org/en/content/articlelanding/1990/c3/c39900000007/unauth#!divAbstract

·Molina, P.; Alajarin, M.; Vidal, A. 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. Tetrahedron 1990, 46 (3), 1063–1078. https://doi.org/10.1016/S0040-4020(01)81384-3

·Molina, P.; Alajarin, M.; Vidal, A. Cycloaddition Reactions of Carbodiimides.  The First Example of an Intramolecular Diels-Alder Reaction of C:C-Conjugated Carbodiimides. J. Chem. Soc. Chem. Commun. 1990, No. 18, 1277–1279. https://pubs.rsc.org/en/content/articlelanding/1990/c3/c39900001277#!divAbstract

·Molina, P.; Alajarin, M.; Lopez-Leonardo, C. Ring-Opening Reaction of the 1,3-Diazetidine Ring by the Action of Thiobenzamide:  Synthesis of [1,3,4]Thiadiazolo[2,3-c][1,2,4]Triazine Derivatives. J. Chem. Res. Synopses 1989, No. 5, 140–141. https://doi.org/10.1002/chin.198937258

·Molina, P.; Alajarin, M.; Lopez-Leonardo, C.; Foces-Foces, M. de la C.; Cano, F. H.; Claramunt, R. M.; Elguero, J. Reactivity of 1,3-Diaryl-2,4-Bis(Heteroarylimino)-1,3-Diazetidines.  Formation of N1,N2,N3,N4,N5-Pentasubstituted Biguanides. J. Org. Chem. 1989, 54 (6), 1264–1268. https://pubs.acs.org/doi/abs/10.1021/jo00267a009

·Molina, P.; Alajarin, M.; Vidal, A. Ortho-Pyrrolylphenyl Heterocumulenes: Preparation and Cyclization to Fused Pyrroles. Tetrahedron Lett. 1989, 30 (21), 2847–2850. https://doi.org/10.1016/S0040-4039(00)99141-X

·Molina, P.; Alajarin, M.; Vidal, A.; De la Concepcion Foces-Foces, M.; Hernandez Cano, F. 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. Tetrahedron 1989, 45 (13), 4263–4286. https://doi.org/10.1016/S0040-4020(01)81321-1

·Molina, P.; Alajarin, M.; Vidal, A. Iminophosphorane-Mediated Synthesis of Fused [1,2,4]Triazines.  Preparation of [1,2,4]Triazolo[5,1-c][1,2,4]Triazine and [1,2,4]Triazino[4,3-B][1,2,4,5]Tetrazine Derivatives. J. Chem. Soc. Perkin Trans. 1  Org. Bio-Organic Chem. 1989, No. 2, 247–250. https://pubs.rsc.org/en/content/articlelanding/1989/p1/p19890000247#!divAbstract

·Molina, P.; Alajarin, M.; Lopez Leonardo, C.; Claramunt, R. M.; Foces-Foces, M. de la C.; Hernandez Cano, F.; Catalan, J.; De Paz, J. L. G.; Elguero, J. Experimental and Theoretical Study of the R3P+-X- Bond.  Case of Betaines Derived from N-Iminophosphoranes and Alkyl Isocyanates. J. Am. Chem. Soc. 1989, 111 (1), 355–363. https://pubs.acs.org/doi/abs/10.1021/ja00183a053

·Molina, P.; Alajarin, M.; Vidal, A.; Elguero, J.; Claramunt, R. M. 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. Tetrahedron 1988, 44 (8), 2249–2259. https://doi.org/10.1002/cber.19640970811

·Molina, P.; Alajarin, M.; Vidal, A. Heterocyclic Synthesis via a Tandem Aza-Wittig Reaction/Heterocumulene-Mediated Annulation Reaction.  New Methodology for the Preparation of Quinazoline Derivatives. Tetrahedron Lett. 1988, 29 (31), 3849–3852. https://doi.org/10.1016/S0040-4039(00)82131-0

·Molina, P.; Alajarin, M.; Ferao, A.; Lorenzo, A.; Vilaplana, M. J.; Aller, E.; Planes, J. Carbodiimide-Mediated Annelation of a [1,2,4]Triazole Ring into a Heterocyclic Ring:  Synthesis of [1,2,4]Triazolo[4,3-b]Triazole, Imidazo[1,2-b][1,2,4]Triazole and [1,2,4]Triazolo[1,5-d][1,2,4]Triazine Derivatives. Heterocycles 1988, 27 (1), 161–171. https://www.heterocycles.jp/newlibrary/libraries/abst/03137

·Molina, P.; Alajarin, M.; Perez de Vega, M. J.; Foces-Foces, M. de la C.; Hernandez Cano, F.; Claramunt, R. M.; Elguero, J. Synthesis of 6,7-Dihydro-5H-1,2,4-Triazolo[3,4-b][1,3,4]Thiadiazines by a Carbon-Carbon Ring Cyclization under Mild Conditions. J. Chem. Soc. Perkin Trans. 1  Org. Bio-Organic Chem. 1987, No. 8, 1853–1860. https://pubs.rsc.org/en/content/articlelanding/1987/p1/p19870001853/unauth#!divAbstract

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