Publications


 

  1. R. Leardini, D. Nanni, G. F. Pedulli, A. Tundo, G. Zanardi, "Aromatic Annelation by Reaction of Arylimidoyl Radicals with Alkynes: Evidence for the Intervention of a Spirocyclohexadienyl Radical in the Synthesis of Substituted Quinolines", J. Chem. Soc., Perkin Trans. 1, 1986, 1591.

  2. R. Leardini, D. Nanni, G. F. Pedulli, A. Tundo, G. Zanardi, "Liquid Crystalline Quinoline Derivatives", Liquid Crystals, 1987, 2, 625.

  3. R. Leardini, D. Nanni, A. Tundo, G. Zanardi, "A Convenient Synthesis of Phenanthrene and Chrysene Derivatives", Synthesis, 1988, 333.

  4. R. Leardini, D. Nanni, G. F. Pedulli, A. Tundo, G. Zanardi, E. Foresti, P. Palmieri, "On the Neophyl-like Rearrangement of 2-(9-Anthryl)ethyl Radicals", J. Am. Chem. Soc., 1989, 111, 7723.

  5. R. Leardini, D. Nanni, A. Tundo, G. Zanardi, "Homolytic Annulation by Reaction of Imidoyl Radicals with Diethyl Azodicarboxylate: a New Route to Nitrogen Heterocycle Derivatives", J. Chem. Soc., Chem. Commun., 1989, 757.

  6. R. Leardini, D. Nanni, A. Tundo, G. Zanardi, "The Reaction of Imidoyl Radicals with Multiple Carbon-Carbon Bonds", Gazz. Chim. It., 1989, 119, 637; also enclosed in the book: Dedicated to Angelo Mangini (1905-1988), published by Gazzetta Chimica Italiana in 1992.

  7. R. Leardini, D. Nanni, A. Tundo, G. Zanardi, F. Ruggieri, "Annulation Reactions with Iron (III) Chloride: Oxidation of Imines", J. Org. Chem., 1992, 57, 1842.

  8. A. Alberti, N. Bedogni, M. Benaglia, R. Leardini, D. Nanni, G. F. Pedulli, A. Tundo, G. Zanardi, "Reaction of Azoarenes with Tributyltin Hydride", J. Org. Chem., 1992, 57, 607.

  9. R. Leardini, D. Nanni, M. Santori, G. Zanardi, "The Reaction of 2-(Alkylidenaminophenyl)sulfides with Di-iso-propyl Peroxydicarbonate: Radical versus Non-Radical Pathway", Tetrahedron, 1992, 48, 3961.

  10. R. Leardini, M. Lucarini, A. Nanni, D. Nanni, G. F. Pedulli, A. Tundo, G. Zanardi, "Novel Rearrangement of N-(Carbazol-9-yl)arylaminyl Radicals", J. Org. Chem., 1993, 58, 2419.

  11. .L. Benati, P. C. Montevecchi, D. Nanni, P. Spagnolo, "One Electron Transfer Reaction of Phenyl Vinyl Sulfides with Dioxygen. The Fate of the Intermediate Vinyl Sulfide Radical Cations", Tetrahedron Lett., 1993, 34, 3595.

  12. B. Bortolotti, R. Leardini, D. Nanni, G. Zanardi, "DDQ-Mediated Formation of Carbon-Carbon Bonds: Oxidation of Imines", Tetrahedron, 1993, 49, 10157; cited in the Aldrich 2000-2001 catalogue (see "DDQ") among the synthetic uses of DDQ.

  13. L. Capella, P. C. Montevecchi, D. Nanni, "Tin Radical Addition to Alkynyl Sulfides: Reactivity of the Intermediate Thioalkyl-Substituted b-(Tributylstannyl)vinyl Radicals", J. Org. Chem., 1994, 59, 3368.

  14. L. Forlani, A. Lugli, D. Nanni, P. E. Todesco, "Self-condensation of 1-Bromo-2-naphthol: Mechanism of Formation of a 1,4-Dinaphthodioxin", J. Chem. Soc., Perkin Trans. 2, 1994, 1291.

  15. L. Capella, P. C. Montevecchi, D. Nanni, "CAN- and DDQ-Promoted Oxidation of Alkenyl Sulfides", J. Org. Chem., 1994, 59, 7379.

  16. S. Guidotti, R. Leardini, D. Nanni, P. Pareschi, G. Zanardi, "N-(ortho-Aryloxyphenyl)arylimidoyl Radicals: Novel 1,5-Aryl Radical Translocation from Oxygen to Carbon", Tetrahedron Lett., 1995, 36, 451.

  17. M. Gioanola, R. Leardini, D. Nanni, P. Pareschi, G. Zanardi, "Intramolecular Addition of Aryl Radicals to Carbon-Nitrogen Double Bonds", Tetrahedron, 1995, 51, 2039.

  18. E. Foresti, M. T. Di Gioia, D. Nanni, P. Zanirato, "2-Azido- and 3-Azido-1-methylindole: Synthesis, Thermal Reactivity, 1H and 13C NMR Spectral Properties, and Semiempirical MNDO-PM3 Structural Calculation", Gazz. Chim. It., 1995, 125, 151; also enclosed in the book Dedicated to Carlo Zauli (1931-1994), published by Gazzetta Chimica Italiana in 1998.

  19. D. Nanni, P. Pareschi, C. Rizzoli, P. Sgarabotto, A. Tundo, "Radical Annulations and Cyclisations with Isonitriles: the Fate of the Intermediate Imidoyl and Cyclohexadienyl Radicals", Tetrahedron, 1995, 51, 9045.

  20. R. Leardini, H. McNab, D. Nanni, "Peroxydicarbonate-Mediated Oxidation of  N-(ortho-Aryloxyphenyl) and N-(ortho-Arylaminophenyl)aldimines", Tetrahedron, 1995, 51, 12143.

  21. L. Benati, P. C. Montevecchi, D. Nanni, P. Spagnolo, M. Volta, "Reduction of Azides to Amines by Samarium Diiodide", Tetrahedron Lett., 1995, 36, 7313.

  22. D. Nanni, D. P. Curran, "Synthesis and Some Reactions of the First Chiral Tin Hydride Containing a C2-Symmetric Binaphthyl Substituent", Tetrahedron: Asymmetry, 1996, 7, 2417.

  23. A. Barbieri, P. C. Montevecchi, D. Nanni, M. L. Navacchia, "LDA-Promoted Decomposition of Benzenesulfenamides. A Route to Aminyl Radicals by Dioxygen Oxidation of Lithium Amides", Tetrahedron, 1996, 52, 13255.

  24. D. Nanni, P. Pareschi, A. Tundo, "Isonitriles as Source and Fate of Imidoyl Radicals: a Novel Homolytic a-Fragmentation", Tetrahedron Lett., 1996, 37, 9337.

  25. L. Benati, D. Nanni, P. Spagnolo, "Diazo Transfer Reactions of Tosyl Azide with Carbocyclic b-Ketoesters. Production and Decomposition of Ring-Opened N-Tosylcarbamoyl-Substituted a-Diazo Esters", J. Chem. Soc., Perkin Trans. 1, 1997, 457.

  26. D. Nanni, P. Zanirato, "Vacuum-Thermal Fragmentation and Ring Cleavage of 1-(N-Substituted-2-pyrrole)-3-tosyltriazene Tetraalkylammonium Salts to 1-Aza-4-cyano-1,3-butadienes", J. Chem. Soc., Perkin Trans. 1, 1997, 1003.

  27. L. Benati, G. Calestani, D. Nanni, P. Spagnolo, M. Volta, "Diazo Transfer Reaction of 2-(Trimethylsilyl)-1,3-dithiane with Tosyl Azide. Carbenic Reactivity of Transient 2-Diazo-1,3-dithiane", Tetrahedron, 1997, 53, 9269.

  28. R. Leardini, D. Nanni, P. Pareschi, A. Tundo, G. Zanardi, "a-(Arylthio)imidoyl Radicals: [3 + 2] Radical Annulation of Arylisothiocyanates with 2-Cyano-Substituted Aryl Radicals", J. Org. Chem., 1997, 62, 8394.

  29. R. Leardini, D. Nanni, A. Tundo, G. Zanardi, "Novel [3 + 2] Radical Annulations of Cyano-Substituted Aryl Radicals with Alkynes", Tetrahedron Lett., 1998, 39, 2441.

  30. C. M. Camaggi, R. Leardini, D. Nanni, G. Zanardi, "Radical Annulations with Nitriles: Novel Cascade Reactions of Cyano-Substituted Alkyl and Sulfanyl Radicals with Isonitriles", Tetrahedron, 1998, 54, 5587.

  31. G. Calestani, R. Leardini, H. McNab, D. Nanni, G. Zanardi, "Thermal Decomposition of tert-Butyl ortho-(Phenoxy)- and ortho-(Anilino)phenyl-iminoxyperacetates", J. Chem. Soc., Perkin Trans. 1, 1998, 1813.

  32. M. Black, J. I. G. Cadogan, R. Leardini, G. McDougald, H. McNab, D. Nanni, D.  Reed, A. Zompatori, "A Study of the Gas-Phase Interconversion of 1-(2-Aryloxyphenyl)alkaniminyl and 2-(Aryliminomethyl)phenoxyl Radicals", J. Chem. Soc., Perkin Trans. 1, 1998, 1825.

  33. R. Leardini, H. McNab, D. Nanni, S. Parsons, D. Reed, A. G. Tenan, "Gas-Phase Cyclisation Reactions of 1-(2-Arylaminophenyl)alkaniminyl Radicals", J. Chem. Soc., Perkin Trans. 1, 1998, 1833.

  34. L. Benati, G. Calestani, D. Nanni, P. Spagnolo, "Reactions of Benzocyclic b-Keto Esters with Tosyl and 4-Nitrophenyl Azide. Structural Influence of Dicarbonyl Substrate and Azide Reagent on Distribution of Diazo, Azide and Ring-Contraction Products", J. Org. Chem., 1998, 63, 4679.

  35. R. Leardini, G. McDougald, H. McNab, D. Nanni, S. Parsons, "Methyl- and Phenyl-Substituted Salicylideneanilines", Acta Cryst., 1998, C54, 1360.

  36. L. Benati, D. Nanni, P. Spagnolo, "Reactions of Benzocyclic b-Keto Esters with Sulfonyl Azides. 2. Further Insight into the Influence of Azide Structure and Solvent upon the Reaction Course", J. Org. Chem., 1999, 64, 5132.

  37. L. Benati, D. Nanni, C. Sangiorgi, P. Spagnolo, "Radical Chain Reactions of a-Azido-b-Keto Esters with Tributyltin Hydride. A Novel Entry to Amides and Lactames Through Regiospecific Nitrogen Insertion", J. Org. Chem., 1999, 64, 7836.

  38. G. Calestani, R. Leardini, D. Nanni, G. Zanardi, "On the Regioselectivity of Imidoyl Radical Cyclisations", Eur. J. Org. Chem, 2000, 707.

  39. A. D’Annibale, D. Nanni, C. Trogolo, F. Umani, "Diastereoselectivity in Mn(III)-Promoted 4-exo-trig Cyclization of Enamides to b-Lactams", Org. Lett., 2000, 2, 401.

  40. R. Leardini, D. Nanni, G. Zanardi, "Radical Addition to Isonitriles: a Route to Polyfunctionalized Alkenes through a Novel Three-Component Radical Cascade Reaction", J. Org. Chem, 2000, 65, 2763.

  41. R. Leardini, L. Lunazzi, A. Mazzanti, H. McNab, D. Nanni, "Conformational Studies by Dynamic NMR, 77. Stereomutation of the Enantiomers of Hindered O-Substituted Oximes", Eur. J. Org. Chem, 2000, 3439.

  42. L. Benati, R. Leardini, M. Minozzi, D. Nanni, P. Spagnolo, G. Zanardi, "Cascade Radical Reaction of 2-Alkynyl-Substituted Aryl Radicals with Aryl Isothiocyanates: a Novel Entry to Benzothieno[2,3-b]quinolines through a-(Arylsulfanyl)-imidoyl Radicals", J. Org. Chem, 2000, 65, 8669.

  43. (BOOK CHAPTER) D. Nanni, "Isonitriles: a Useful Trap in Radical Chemistry", in Radicals in Organic Synthesis, P. Renaud and M. P. Sibi Ed.s; Wiley-VCH, Weinheim, 2001, vol. 2, ch. 1.3, p. 44-61.

  44. R. Leardini, H. McNab, M. Minozzi, D. Nanni, "Thermal Decomposition of tert-Butyl ortho-(Phenylsulfanyl)- and ortho-(Phenylsulfonyl)-phenyliminoxy-peracetates: the Reactivity of Thio-Substituted Iminyl Radicals", J. Chem. Soc., Perkin Trans. 1, 2001, 1072.

  45. T. Creed, R. Leardini, H. McNab, D. Nanni, I. S. Nicolson, D.  Reed, "Gas-phase Cyclisation Reactions of 1-(2-Arylthiophenyl)alkaniminyl and 2-(Aryliminomethyl)thiophenoxyl Radicals", J. Chem. Soc., Perkin Trans. 1, 2001, 1079.

  46. T. Creed, R. Leardini, H. McNab, D. Nanni, I. S. Nicolson, A. Parkin, S. Parsons, "Short Intramolecular S-O Interactions in S-Substituted 2-Mercaptoacetophenones", Acta Cryst., 2001, C57, 1174.

  47. G. Calestani, L. Capella, R. Leardini, M. Minozzi, R. Papa, D. Nanni, G. Zanardi, "Synthesis and X-ray Characterisation of a New Polycondensed Heterocycle Obtained by a Novel Mn(III)-Mediated Cascade Reaction of 2-Cyanophenyl Isothiocyanate", Tetrahedron, 2001, 57, 7221.

  48. R. Leardini, H. McNab, M. Minozzi, D. Nanni, D.  Reed, A. G. Wright, "Reactions of 1-(2-Alkoxyphenyl)-alkaniminyl Radicals", J. Chem. Soc., Perkin Trans. 1, 2001, 2704.

  49. R. Leardini, L. Lunazzi, A. Mazzanti, D. Nanni, "Conformational Studies by Dynamic NMR. 85. Stereomutation of Conformational Atropisomers of o-tert-Butylphenyl Alkyl Ketones", J. Org. Chem, 2001, 66, 7879.

  50. L. Benati, R. Leardini, M. Minozzi, D. Nanni, P. Spagnolo, S. Strazzari, G. Zanardi, G. Calestani, "Radical Chain Reactions of a-Azido Ketones with Tributyltin Hydride: Reduction vs. Nitrogen Insertion and 1,2-Hydrogen Shift in the Intermediate N-Stannylaminyl Radicals", Tetrahedron, 2002, 58, 3485.

  51. F. Gasparrini, S. Grilli, R. Leardini, L. Lunazzi, A. Mazzanti, D. Nanni, M. Pierini, M. Pinamonti, "Conformational Studies by Dynamic NMR. 89. Stereomutation and Cryogenic Enantioseparation of Conformational Antipodes of Hindered Aryl Oximes", J. Org. Chem., 2002, 67, 3089.

  52. D. Nanni, P. Pareschi, J. C. Walton, "An Electron Paramagnetic Resonance Study of Intermediates Generated from Aromatic Aldimines", J. Chem. Soc., Perkin Trans. 2., 2002, 1098.

  53. L. Benati, R. Leardini, M. Minozzi, D. Nanni, P. Spagnolo, S. Strazzari, G. Zanardi, "Intramolecular Cyclization of Acyl Radicals onto the Azido Group: a New Radical Approach to Cyclized Lactams", Org. Lett., 2002, 4, 3079.

  54. M. Minozzi, D. Nanni, J. C. Walton, "Alkenylthioimidoyl radicals: competition between b-scission and cyclisation to dihydrothiophen-2-ylidene-amines", Org. Lett., 2003, 5, 901.

  55. L. Benati, G. Calestani, R. Leardini, M. Minozzi, D. Nanni, P. Spagnolo, S. Strazzari, "Generation and Intramolecular Reactivity of Acyl Radicals from Alkynylthiol Esters Under Reducing Tin-Free Conditions", Org. Lett., 2003, 5, 1313.

  56. L. Benati, G. Calestani, R. Leardini, M. Minozzi, D. Nanni, P. Spagnolo, S. Strazzari, G. Zanardi, "Cascade Radical Reactions via a-(Arylsulfanyl)imidoyl Radicals: Competitive [4 + 2] and [4 + 1] Radical Annulations of Alkynyl Isothiocyanates with Aryl Radicals", J. Org. Chem., 2003, 68, 3454.

  57. S. Guidotti, I. Camurati, F. Focante, L. Angellini, G. Moscardi, L. Resconi, R. Leardini, D. Nanni, P. Mercandelli, A. Sironi, T. Beringhelli, D. Maggioni, "Synthesis and Reactivity of (C6F5)3B–N-Heterocycle Complexes. 1. Generation of Highly Acidic sp3 Carbons in Pyrroles and Indoles", J. Org. Chem., 2003, 68, 5445.

  58. L. Benati, G. Bencivenni, R. Leardini, M. Minozzi, D. Nanni, R. Scialpi, P. Spagnolo, G. Zanardi, C. Rizzoli, "Cyclizations of N-Stannylaminyl Radicals onto Nitriles", Org. Lett., 2004, 6, 417.

  59. M. Minozzi, D. Nanni, J. C. Walton, "Alkanethioimidoyl Radicals: Evaluation of b-Scission Rates and of Cyclization onto S-Alkenyl Substituents", J. Org. Chem., 2004, 69, 2056.

  60. L. Benati, R. Leardini, M. Minozzi, D. Nanni, R. Scialpi, P. Spagnolo, G. Zanardi, "Radical Chain Reaction of Benzenethiol with Pentynylthiol Esters: Production of Aldehydes under Stannane/Silane-Free Conditions", Synlett, 2004, 987.

  61. L. Benati, R. Leardini, M. Minozzi, D. Nanni, R. Scialpi, P. Spagnolo, S. Strazzari, G. Zanardi, "A Novel Tin-Free Procedure for Alkyl Radical Reactions", Angew. Chem. Int. Ed., 2004, 43, 3598.

  62. F. Focante, I. Camurati, D. Nanni, R. Leardini, L. Resconi, "Synthesis and Reactivity of (C6F5)3B-N-Heterocycle Complexes. 3. Generation of N-Methylpyrrol-2-yl- and N-Methylindol-2-yl Borate Zwitterions with Acidic sp3 Carbons", Organometallics, 2004, 23, 5135.

  63. L. Benati, G. Bencivenni, R. Leardini, M. Minozzi, D. Nanni, R. Scialpi, P. Spagnolo, G. Zanardi, "Thermal Reactions of Tributyltin Hydride with a-Azido Esters: Unexpected Intervention of Tin Triazene Adducts under both Non-Radical and Radical Conditions", J. Org. Chem., 2005, 70, 3046.

  64. L. Benati, G. Bencivenni, R. Leardini, M. Minozzi, D. Nanni, R. Scialpi, P. Spagnolo, G. Zanardi, "Radical Reduction of Aromatic Azides to Amines with Tributylgermanium Hydride", J. Org. Chem., 2006, 71, 434.

  65. M. Minozzi, D. Nanni, G. Zanardi, G. Calestani, "Multi-Step Radical Spiro-Cyclization of an Alkynylaryl Isothiocyanate", Arkivoc., 2006 (vi), 6.

  66. L. Benati, G. Bencivenni, R. Leardini, M. Minozzi, D. Nanni, R. Scialpi, P. Spagnolo, G. Zanardi, "Generation and Cyclization of Unsaturated Carbamoyl Radicals Derived from S-4-Pentynyl Carbamothioates under Tin-Free Conditions", J. Org. Chem., 2006, 71, 3192.

  67. F. Focante, R. Leardini, A. Mazzanti, P. Mercandelli, D. Nanni, "Conformational Behavior of Tris(pentafluorophenyl)borane-Benzotriazole adducts", Organometallics, 2006, 25, 2166.

  68. L. Benati, G. Bencivenni, R. Leardini, M. Minozzi, D. Nanni, R. Scialpi, P. Spagnolo, G. Zanardi, "The Reaction of Azides with Dichloroindium Hydride: Very Mild Production of Amines and Pyrrolidin-2-imines through Possible Indium-Aminyl Radicals", Org. Lett., 2006, 8, 2499.

  69. L. Benati, G. Bencivenni, R. Leardini, M. Minozzi, D. Nanni, R. Scialpi, P. Spagnolo, G. Zanardi, "Radical Reduction of Aromatic Azides to Amines with Triethylsilane", J. Org. Chem., 2006, 71, 5822.

  70. D. Nanni, "Radicals in Organic Synthesis: a Century (Actually much less!) of Playing with Unpaired Electrons", in Seminars in Organic Synthesis ["A. Corbella" School of Organic Chemistry (Gargnano), XXXII Edition], E. Licandro, R. Ballini, L. Banfi, M. V. D’Auria, M. Maggini and C. Morelli, Ed.s; SocietÓ Chimica Italiana, Roma, 2007, p. 159-182.

  71. M. Minozzi, D. Nanni, P. Spagnolo, "Imidoyl Radicals in Organic Synthesis", Curr. Org. Chem., 2007, 11, 1366.

  72. M. Minozzi, D. Nanni, P. Spagnolo, "tert-Dodecanethiol", in Encyclopedia of Reagents for Organic Synthesis – online version (e-EROS), D. Crich, Ed.; Wiley InterScience, Chichester, 2008, Build 13, March 14, 2008.

  73. M. Minozzi, D. Nanni, P. Spagnolo, "4-Pentyne-1-thiol", in Encyclopedia of Reagents for Organic Synthesis – online version (e-EROS), D. Crich, Ed.; Wiley InterScience, Chichester, 2008, Build 13, March 14, 2008.

  74. G. Bencivenni, T. Lanza, R. Leardini, M. Minozzi, D. Nanni, P. Spagnolo, G. Zanardi, "Tin-Free Generation of Alkyl Radicals from Alkyl 4-Pentynyl Sulfides via Homolytic Substitution at the Sulfur Atom", Org. Lett. 2008, 10, 1127.

  75. G. Bencivenni, T. Lanza, R. Leardini, M. Minozzi, D. Nanni, P. Spagnolo, G. Zanardi, "Iminyl Radicals from Alkyl Azides via 1,5-Hydrogen Tranfers Reactions of Aryl Radicals", J. Org. Chem. 2008, 73, 4721.

 


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