Zobrazeno 1 - 10 of 37 pro vyhledávání: '"Enrique Aller"'
1
Iminophosphorane-based synthesis of multinuclear ferrocenyl urea, thiourea and guanidine derivatives and exploration of their anion sensing properties
Autor: A. Lorenzo, Enrique Aller, Pedro Molina
Publikováno v: Tetrahedron. 65:1397-1401
One-flask preparation of bisferrocenyl-substituted urea and thiourea and trisferrocenyl-substituted guanidine have been achieved from the iminophosphorane derived from ferrocenemethyl azide by using aza-Wittig reactions with carbon dioxide and carbon
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cd250a909f9ca692556620dfc4ca94e3
https://doi.org/10.1016/j.tet.2008.12.030
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4
An anomalous intramolecular conjugate addition of N-protected imidazoles to vinyliminophosphoranes promoted by tetrabutylammonium fluoride. X-Ray crystal structure of 5-ethoxycarbonyl-5-(triphenylphosphoranylidene-amino)-5,6-dihydroimidazo[2,1-α]isoquinoline
Autor: A. Lorenzo, Concepción Foces-Foces, Enrique Aller, Pedro Molina, Antonio Luis Llamas Saiz
Publikováno v: Tetrahedron. 52:13671-13680
An anomalous intramolecular conjugate addition of N-SEM protected imidazoles to vinyliminophosphoranes proceeds efficiently in the presence of tetrabutylammonium fluoride (TBAF) to afford the corresponding fused imidazoles. The crystal and molecular
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b2c3c34b169930ada52b7fb4fc44fcd
https://doi.org/10.1016/0040-4020(96)00819-8
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5
N–H insertion reactions of rhodium carbenoids. Part 1. Preparation of α-amino acid and α-aminophosphonic acid derivatives
Autor: Enrique Aller, Martin James Drysdale, Christopher J. Moody, David Haigh, J. Bobby Sanghera, Neil D. Pearson, Leigh Ferris, Richard T. Buck
Publikováno v: J. Chem. Soc., Perkin Trans. 1. :2879-2884
Rhodium(II) acetate-catalysed decomposition of diazophenylacetates 1 and 3 in the presence of a range of N–H compounds results in an N–H insertion reaction of the intermediate carbenoids and formation of N-substituted phenylglycine derivatives 2
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::712f4607fd8b1c2c419766c1084b9346
https://doi.org/10.1039/p19960002879
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7
One-flask Conversion of N-Aryliminophosphoranesinto N1, N2, N3-TriarylguanidinesPromoted by TBAF
Autor: A. Lorenzo, Enrique Aller, Pedro Molina
Publikováno v: Synlett. :0714-0716
N-Aryliminophosphoranes were converted into N 1 , N 2 , N 3 -triarylguanidines in synthetically useful yields by reactions with isocyanates followed by treatment of resulting N 1 , N 2 -diarylcarbo-diimide with aromatic aminesin the presence of TBAF.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c113c0be5be35742b8566234c73b9df
https://doi.org/10.1055/s-2003-38351
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8
Diastereoselectivity in the OH insertion reactions of rhodium carbenoids derived from phenyldiazoacetates of homochiral alcohols
Autor: Enrique Aller, Geoffrey G. Cox, D. J. Miller, Christopher J. Moody
Publikováno v: Tetrahedron Letters. 35:5949-5952
Rhodium(II) acetate catalysed decomposition of the phenyldiazoacetates 3 in the presence of alcohols (methanol, propan-2-ol, tert -butanol) led to the OH insertion products 4 – 6 in varying yields; the diastereomeric excess of the product ranged
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3ebae198ec54fe9325df53d9e2be914f
https://doi.org/10.1016/s0040-4039(00)78227-x
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9
New synthetic applications of vinyliminophosphoranes based on the reactivity of the vinyl side chain
Autor: Pedro Molina, Antonia López-Lázaro, A. Lorenzo, Enrique Aller, Mateo Alajarin
Publikováno v: Tetrahedron Letters. 35:3817-3820
New reactions of vinyliminophosphoranes involving either the β-carbon atom of the vinyl side chain as nucleophilic center or the α-carbon as electrophilic center are described
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c6d5ece386396b02f4ca8d6e3dbfba88
https://doi.org/10.1016/s0040-4039(00)73107-8
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