Search Results - "Piniella, Juan F."

Preparation of (1 R,1′ R)-1,1′-(anthracene-9,10-diyl)bis(2,2,2-trifluoroethanamine): a chiral diamine with low basicity by Estivill, Carla, Mendizabal, Julen, Virgili, Albert, Monteagudo, Eva, Flor, Teresa, Sánchez-Ferrando, Francisco, Alvarez-Larena, Angel, Piniella, Juan F.

“…A new chiral diamine with low basicity was synthesized in enantiopure form. (1 R,1′ R)-1,1′-(Anthracene-9,10-diyl)bis(2,2,2-trifluoroethanamine) was obtained…”
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C2-Symmetric enantiopure ethanotethered bis(α, β-butenolides) as templates for asymmetric synthesis. Application to the synthesis of (+)-grandisol by DE MARCH, Pedro, FIGUEREDO, Marta, FONT, Josep, RAYA, Javier, ALVAREZ-LARENA, Angel, PINIELLA, Juan F

“…Starting from D-mannitol, we have prepared several C(2)-symmetric ethanotethered bis(alpha,beta-butenolides) and studied their [2+2] photocycloaddition…”
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Synthesis and 1,3-dipolar cycloadditions of a new enantiopure cyclic nitrone by Alibés, Ramón, Blanco, Pilar, de March, Pedro, Figueredo, Marta, Font, Josep, Álvarez-Larena, Ángel, Piniella, Juan F

“…A new enantiopure cyclic nitrone has been efficiently synthesized from a d-glyceraldehyde derivative. Its 1,3-dipolar cycloaddition to different classes of…”
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Photochemical [2 + 2] Cycloaddition of Acetylene to Chiral 2(5H)-Furanones by Alibés, Ramon, de March, Pedro, Figueredo, Marta, Font, Josep, Fu, Xiaolin, Racamonde, Marta, Álvarez-Larena, Ángel, Piniella, Juan F

“…The [2 + 2] photocycloaddition of acetylene to chiral 2(5H)-furanones was investigated. The influence on the chemical yield and facial diastereoselectivity of…”
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Regio- and Stereoselective Hydroformylation of Glucal Derivatives with Rhodium Catalysts by Fernández, Elena, Ruiz, Aurora, Claver, Carmen, Castillón, Sergio, Polo, Alfonso, Piniella, Juan F, Alvarez-Larena, Angel

“…The hydroformylation of the differently protected glucal derivatives 3,4,6-tri-O-acetyl-d-glucal, 3,4,6-tri-O-benzyl-d-glucal and 3,4,6-tri-O-methyl-d-glucal…”
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C2-Symmetric Enantiopure Ethanotethered Bis(α,β-butenolides) as Templates for Asymmetric Synthesis. Application to the Synthesis of (+)-Grandisol1 by DE MARCH, Pedro, FIGUEREDO, Marta, FONT, Josep, RAYA, Javier, ALVAREZ-LARENA, Angel, PINIELLA, Juan F.

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Asymmetric Induction in the Cycloaddition of a Masked p-Benzoquinone to Cyclic Nitrones by de March, Pedro, Escoda, Maria, Figueredo, Marta, Font, Josep, Alvarez-Larena, Angel, Piniella, Juan F

“…1,3-Dipolar cycloadditions of cyclic nitrones to achiral and chiral p-benzoquinone monoketals have shown poor chemo- and stereoselectivity. To overcome these…”
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Diastereofacial Selectivity in the Cycloaddition of Nitrones to (E)-γ-Oxygenated α,β-Unsaturated Esters by Busqué, Félix, de March, Pedro, Figueredo, Marta, Font, Josep, Monsalvatje, Montserrat, Virgili, Albert, Álvarez-Larena, Ángel, Piniella, Juan F

“…The 1,3-dipolar cycloadditions of nitrones 1 and 2 to a series of 1,2-disubstituted electron-deficient olefins bearing an allylic stereocenter, 4−8, are…”
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First Preparation of Optically Pure Ketals of p-Benzoquinone by de March, Pedro, Escoda, Maria, Figueredo, Marta, Font, Josep, Alvarez-Larena, Angel, Piniella, Juan F

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Diastereofacial Selectivity in the Cycloaddition of Nitrones to (E)-γ-Oxygenated α,β-Unsaturated Esters by Busqué, Félix, de March, Pedro, Figueredo, Marta, Font, Josep, Monsalvatje, Montserrat, Virgili, Albert, Álvarez-Larena, Ángel, Piniella, Juan F

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Dimethylthallium(III) complexes with sulfur-nitrogen and sulfur-oxygen ligands: the molecular structure of Me2TlL (L = 1-oxidopyridinium-2-thiolato) by Castano, Maria V, Sanchez, Agustin, Casas, Jose S, Sordo, J, Brianso, Jose L, Piniella, Juan F, Solans, Xabier, Germain, Gabriel, Debaerdemaeker, Tony, Glaser, Julius

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C 2 -Symmetric Enantiopure Ethanotethered Bis(α,β-butenolides) as Templates for Asymmetric Synthesis. Application to the Synthesis of (+)-Grandisol 1 by de March, Pedro, Figueredo, Marta, Font, Josep, Raya, Javier, Alvarez-Larena, Angel, Piniella, Juan F.

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Photocycloaddition of ( Z)-1,2-dichloroethylene to enantiopure 2(5 H)-furanones: an efficient strategy for the diastereoselective synthesis of cyclobutane and cyclobutene derivatives by Alibés, Ramon, de March, Pedro, Figueredo, Marta, Font, Josep, Racamonde, Marta, Rustullet, Albert, Alvarez-Larena, Angel, Piniella, Juan F., Parella, Teodor

“…A highly stereoselective and efficient synthetic approach to cyclobutane and cyclobutene derivatives has been developed consisting of a [2+2] photochemical…”
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Solid state and theoretical conformational analysis of enantiopure C2 symmetric bis(α,β-butenolides) by de March, Pedro, Figueredo, Marta, Font, Josep, Raya, Javier, Alvarez-Larena, Angel, Piniella, Juan F.

“…The solid state structure and theoretical conformational analysis of two enantiomerically pure bis(α,β-butenolides) with C 2 symmetry have been performed. The…”
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First synthesis of (+)-rengyolone and (+)- and (−)-menisdaurilide by Cantó, Mariona, de March, Pedro, Figueredo, Marta, Font, Josep, Rodrı́guez, Sonia, Álvarez-Larena, Angel, Piniella, Juan F.

“…The benzofuranone natural products (+)-rengyolone and (+)- and (−)-menisdaurilide have been synthesised for the first time from a common enantiopure…”
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Protected derivatives of ( R)-cysteine and ( R)-cysteinol by González, Asensio, Lavilla, Rodolfo, Piniella, Juan F., Alvarez-Larena, Angel

“…The synthesis of N, O, S protected forms of ( R)-cysteine and ( R)-cysteinol as bicyclic derivatives is described. The reactivity and the preparation of…”
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First example of a third generation nitrone cycloaddition by de March, Pedro, Figueredo, Marta, Font, Josep, Milán, Sergio, Alvarez-Larena, Angel, Piniella, Juan F., Molins, Elies

“…Compounds 5 and 6, derived from the cycloadditions of a nitrone to α,β-unsaturated lactones, were oxidized with m-chloroperbenzoic acid affording…”
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Boron complexes of L-cysteine by González, Asenslo, Granell, Jaume, Pinlella, Juan F., Alvarez-Larena, Angel

“…The synthesis of diphenyl[(R)- thiazolidine-4-carboxylato-O,N ] boron 4 , 9- borabicyclo[3.3.1]non-9-yl[(R)- thiazolidine-4-carboxylato-O,N ] boron 9 , 9-…”
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A New Reaction of Tetrabutylammonium Camphorsulfonate with P 4S 10. Synthesis and Crystal Structure of the First Chiral Tetrathiophosphate Derivative by Echarri, M, Raouf, Matheu, Isabel, Claver, Carmen, Castillión, Sergio, Alvarez-Larena, Angel, Piniella, Juan F.

“…Compound 5 has been synthesized in a good yield by reacting tetrabutylammonium camphorsulfonate with P 4S 10, and characterized by X ray diffraction. © 1997…”
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A New Reaction of Tetrabutylammonium Camphorsulfonate with P4S10. Synthesis and Crystal Structure of the First Chiral Tetrathiophosphate Derivative by Echarri, M, Raouf, Matheu, Isabel, Claver, Carmen, Castillión, Sergio, Alvarez-Larena, Angel, Piniella, Juan F.

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