Search Results - "Grima, Pedro M"

Use of the p-Tolylsulfinyl Group as a Chiral Inductor in Stereoselective [4+3] Cycloaddition Reactions: Preparation of Enantiopure Polysubstituted 8-Oxabicyclo[3.2.1]oct-6-en-3-one Systems Having up to Five Stereocenters by Montaña, Ángel M., Grima, Pedro M., Batalla, Consuelo, Sanz, Francisca, Kociok-Köhn, Gabriele

“…The use of the p‐tolylsulfinyl group as a chiral inductor in stereoselective [4+3] cycloaddition reactions has made possible the preparation of enantiopure…”
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[4+3] Cycloaddition of C-3 substituted furans. Stereoselectivity induced by coordination effects by Montaña, Ángel M., Grima, Pedro M., Castellví, María, Batalla, Consuelo, Font-Bardia, Mercè

“…Several C-3 substituted furans with chelating groups have been reacted with 2,3-dibromo-3-pentanone in the presence of a reducing metal, resulting in the…”
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Discovery of a novel class of zwitterionic, potent, selective and orally active S1P1 direct agonists by Aguilar, Nuria, Mir, Marta, Grima, Pedro M., López, Manel, Segarra, Victor, Esteban, Laia, Moreno, Imma, Godessart, Nuria, Tarrasón, Gema, Domenech, Teresa, Vilella, Dolors, Armengol, Clara, Córdoba, Mònica, Sabaté, Mar, Casals, Daniel, Domínguez, Maria

“…Amido-1,3,4-thiadiazoles were identified as a novel structural class of potent and selective sphingosine-1-phosphate receptor subtype-1 agonists. Starting from…”
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Study of cis/trans and endo/exo Diastereoselectivity in the [4+3]-Cycloaddition Reaction of 2-Functionalized Furans and Dimethyloxyallyl Cation: Preparation of Versatile Cycloheptane Synthons by Montaña, Angel M, Ribes, Sandra, Grima, Pedro M, García, Francisca

“…A study on the influence of steric and electronic effects of a function attached at C-2 of furans in the yield and diastereoselectivity of [4+3] cycloaddition…”
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Asymmetry induction on the [4C(4π)+3C(2π)] cycloaddition reaction of C2-functionalized furans: influence of the chiral auxiliary nature by Montaña, Angel M, Grima, Pedro M

“…The study of the π-facial diastereoselectivity in the [4+3] cycloaddition reaction of thirteen different chiral 2-substituted furans with oxyallyl cations,…”
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Induction of asymmetry on the [4+3] cycloaddition reaction of C2-functionalized furans by Montaña, Angel M, Grima, Pedro M

“…A study of the induction of asymmetry on the [4+3] cycloaddition reaction of some 13 C2-substituted furan derivatives with 2-oxyallyl cation is presented. The…”
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Effective, Safe, and Inexpensive Microscale Ultrasonic Setup for Teaching and Research Laboratories by Montana, Angel M, Grima, Pedro M

“…Presents a homemade, safe, effective, and inexpensive reactor vessel for ultrasonic horns with applications in microscale experiments in teaching and research…”
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Effective, Safe, and Inexpensive Microscale Ultrasonic Setup for Teaching and Research Labs by Montaña, Angel M, Grima, Pedro M

“…Ultrasound has been used as a source of energy in chemical reactions to increase both reaction rate and product yield. Ultrasonic horns can be used for this…”
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New methodology for the synthesis of tetrahydrofuro[3,2-b]furan-2(3H)-one derivatives, synthons of natural products with biological interest by Montaña, Ángel M., Barcia, Joan A., Grima, Pedro M., Kociok-Köhn, Gabriele

“…A new methodology is presented to synthesize in a regio and stereoselective manner tetrahydrofuro[3,2-b]furan-2(3H)-one, structural subunit present in a wide…”
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Synthesis of C3-substituted enantiopure 2-(p-tolylsulfinyl)-furans: the sulfoxide group as a chiral inductor for furan dienes as precursors of a wide variety of chiral intermediates by Montaña, Ángel M., Grima, Pedro M., Batalla, Consuelo, Kociok-Köhn, Gabriele

“…(−)-(1R,2S,5R)-Menthyl (SS)-p-toluenesulfinate and its enantiomer are a common source for a chiral sulfoxide group in organic synthesis, by means of…”
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New methodology for the [4+3] cycloaddition reactions: generation of oxyallyl cations from α,α′-diiodoketones under sonochemical or thermal conditions by Montaña, Angel M, Grima, Pedro M

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Generation of Oxyallyl Cations by Reduction of α,α′-Diiodoketones Under Sonochemical or Thermal Conditions: Improved Methodology for the [4C(4π;)+3C(2π;)] Cycloaddition Reactions by Montaña, Angel M., Grima, Pedro M.

“…An improved methodology to carry out [4C(4π;)+3C(2π;)] cycloaddition reactions of dienes and oxyallyl cations, is presented. The reaction starts from…”
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New synthetic methodology to prepare polyfunctionalized heptane building blocks with four stereocenters: synthesis of the (±)-C17–C23 subunit of Ionomycin by Montaña, Ángel M., García, Francisca, Grima, Pedro M.

“…A new synthetic methodology for preparing polyfunctionalized heptane building blocks with up to four stereocenters has been developed…”
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2-Functionalized furans as precursors of versatile cycloheptane synthons by Montaña, Angel M., Ribes, Sandra, Grima, Pedro M., García, Francisca, Solans, Xavier, Font-Bardia, Mercè

“…An study on the influence of steric and electronic effects of a function attached at C-2 of furans in the yield and diastereoselectivity of [4 + 3]…”
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Complete assignment of 1H and 13C NMR data and establishment of the relative stereochemistry of C-1-functionalized 2,4-dimethyl-8-oxabicyclo[3.2.1] oct-6-en-3-one derivatives by Montaña, Angel M., Grima, Pedro M., García, Francisca

“…The total assignment of the 1H and 13C NMR spectra of 24 cis‐endo and 15 cis‐exo diastereoisomers of C‐1‐substituted…”
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Complete assignment of1H and13C NMR data and establishment of the relative stereochemistry of C-1-functionalized 2,4-dimethyl-8-oxabicyclo[3.2.1] oct-6-en-3-one derivatives by Montaña, Angel M., Grima, Pedro M., García, Francisca

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Study of cis/trans and endo/exo Diastereoselectivity in the [4+3]-Cycloaddition Reaction of 2-Functionalized Furans and Dimethyloxyallyl Cation by M. Montaña, Angel, Ribes, Sandra, M. Grima, Pedro, García, Francisca

“…A study on the influence of steric and electronic effects of a function attached at C-2 of furans in the yield and diastereoselectivity of [4+3] cycloaddition…”
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General method of assignment of relative stereochemistry in C-1-substituted 2,4-dimethyl-8-oxabicyclo[3.2.1]oct-6-en-3-one by 1H and 13C NMR correlations by Montaña, Angel M., Ribes, Sandra, Grima, Pedro M., García, Francisca

“…The 1H and 13C NMR spectra of cis‐endo (a) and cis‐exo (b) diastereoisomeric pairs of five differently C‐1‐functionalized…”
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General method of assignment of relative stereochemistry in C-1-substituted 2,4-dimethyl-8-oxabicyclo[3.2.1]oct-6-en-3-one by1H and13C NMR correlations by Montaña, Angel M., Ribes, Sandra, Grima, Pedro M., García, Francisca

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