Lista de obras - José A. Paixão - Dominio Público Uruguay

(1H-Tetrazol-5-yl)-Allenes: Building Blocks for Tetrazolyl Heterocycles

artículo científico publicado en 2016

(R,R)-N-phenyl-3,4-bis(diphenylphosphino)pyrrolidine: an N-aryl pyrrolidine ligand for enantioselective transfer hydrogenation

16alpha,17alpha-Epoxy-20-oxopregn-5-en-3beta-yl acetate

artículo científico publicado en 2001

16α,17α-Epoxy-5α-hydroxy-6β-nitrooxy-20-oxopregnan-3β-yl acetate ⬇️

artículo científico publicado el 14 de mayo de 2009

17-Oxo-5alpha-androstane-3alpha,4beta-diyl diacetate and 17-oxo-5beta-androstane-3alpha,4beta-diyl diacetate.

artículo científico publicado en 2005

19β,28-Ep-oxy-18α-olean-3β-ol.

artículo científico publicado en 2009

2,2,4,4-Tetra-tert-butyl-1,3,5,2,4-benzotrioxadisilepine-7-carbaldehyde

artículo científico publicado en 2006

2,2,6,6-Tetramethyl-4-oxopiperidinium nitrate

scientific article published on 17 March 2007

2,4-Dibromo-3-methoxy-6-nitrobenzaldeyde: effect of substituents on ring geometry

artículo científico publicado en 2000

3,17-Dioxoandrost-4-en-4-yl acetate

artículo científico publicado en 2007

3-Hydroxybenzaldehyde

artículo científico publicado en 2000

3-Oxo-18α-olean-28,13β-olide

artículo científico publicado en 2010

3α,4α-Epoxy-5α-androstan-17β-yl acetate ⬇️

artículo científico publicado el 25 de marzo de 2009

3β-Acetoxy-lup-20(29)-en-28-yl 1H-1,2,4-triazole-1-carboxylate ⬇️

artículo científico publicado el 31 de octubre de 2010

3β-Hy-droxy-lup-20(29)-en-28-yl 1H-imidazole-1-carboxyl-ate.

artículo científico publicado en 2010

5-Methylhydantoin: From Isolated Molecules in a Low-Temperature Argon Matrix to Solid State Polymorphs Characterization

artículo científico publicado en 2017

5Beta,6beta-epoxy-17-oxoandrostan-3beta-yl acetate and 5beta,6beta-epoxy-20-oxopregnan-3beta-yl acetate.

artículo científico publicado en 2008

5α,6α-Ep-oxy-7-norcholestan-3β-yl acetate.

artículo científico publicado en 2011

5α-Androst-3-en-17β-yl acetate.

artículo científico publicado en 2009

6-[(4-Fluorophenyl)(1H-imidazol-1-yl)methyl]-1,3-benzodioxol-5-ol and 6-[(4-methoxyphenyl)(1H-imidazol-1-yl)methyl]-1,3-benzodioxol-5-ol

artículo científico publicado en 2010

6beta-Hydroxy-5beta-methyl-20-oxo-19-norpregn-9(10)-en-3beta-yl acetate.

artículo científico publicado en 2009

6β-Acetamido-5α-hydroxy-cholestan-3β-yl acetate.

artículo científico publicado en 2008

6β-Chloro-5α-hydr-oxy-20-oxopregnan-3β-yl acetate

artículo científico publicado en 2008

A New Route to Cross-Conjugated Bis(enamines) and an Unusual Reaction with DDQ

A ladder type structure: Rubidium diphenylacetate diphenylacetic acid

A new polymorph of 2-bromo-5-hydroxybenzaldehyde

A new polymorph of 5-nitro-uracil monohydrate.

artículo científico publicado en 2008

Activation of hydrocinnamic acids with pentafluorophenol versus pentafluorothiophenol: Reactivity towards hexylamine

Amplification of the linear and nonlinear optical response of a chiral molecular crystal

artículo científico publicado en 2012

An oxo-centred trinuclear FeIII complex: triaquahexakis(mu2-betaine-O:O')-mu3-oxo-triiron(III) bis(tetrachloromanganate) trichloride hexahydrate

artículo científico publicado en 2001

Androstane-3β,5α,6β,17β-tetrol tri-hydrate.

artículo científico publicado en 2011

Benzyl 5-carboxy-4-ethyl-3-methylpyrrole-2-carboxylate

artículo científico publicado en 2000

Betainium trifluoroacetate.

artículo científico publicado en 2001

Bismuth triflate-catalyzed Wagner-Meerwein rearrangement in terpenes. Application to the synthesis of the 18alpha-oleanane core and A-neo-18alpha-oleanene compounds from lupanes

artículo científico publicado en 2008

Bismuth(III) salt-catalyzed Westphalen and “backbone” rearrangements of 5β,6β-epoxysteroids

artículo científico publicado en 2008

Bismuth(III) triflate-catalyzed direct conversion of corticosteroids into highly functionalized 17-ketosteroids by cleavage of the C17-dihydroxyacetone side chain.

artículo científico publicado en 2009

Bismuth(III) triflate-catalyzed rearrangement of 16α,17α-epoxy-20-oxosteroids. Synthesis and structural elucidation of new 16α-substituted 17α-alkyl-17β-methyl-Δ13-18-norsteroids

Chemistry of Diazafulvenium Methides in the Synthesis of Functionalized Pyrazoles

artículo científico publicado en 2007

Chiral 6,7-bis(hydroxymethyl)-1H,3H-pyrrolo[1,2-c]thiazoles with anti-breast cancer properties.

artículo científico publicado en 2012

Chiral 6-hydroxymethyl-1H,3H-pyrrolo[1,2-c]thiazoles: novel antitumor DNA monoalkylating agents.

artículo científico publicado en 2010

Composition- and temperature-driven structural transitions in Bi(1-x)Ca(x)FeO3 multiferroics: a neutron diffraction study

artículo científico publicado en 2013

Conformation of cationic N,N-dimethylglycine in dimethylglycinium trifluoroacetate.

artículo científico publicado en 2001

Contribution to the synthesis of chiral allenic esters

Corrigendum to ‘Contribution to the synthesis of chiral allenic esters’

scholarly article published in Tetrahedron Letters

Crystal structure and experimental and theoretical studies of the second-order nonlinear optical properties of salts of triphenylguanidine with carboxylic acids.

artículo científico publicado en 2010

Crystal structure and properties of l-tryptophanium hydrogen selenite

Crystal structure of 2,5-dimethyl-1-(4-carboxyphenyl)pyrrole, C13H13NO2

Crystal structure, matrix-isolation FTIR, and UV-induced conformational isomerization of 3-quinolinecarboxaldehyde

artículo científico publicado en 2014

Cyanosilylation at pregnane side-chains. Selective synthesis and crystal structure of 20(R)-silylated cyanohydrins

artículo científico publicado en 2005

Cycloaddition reactions of 3-aryl-5-phenyl-5H,7H-thiazolo[3,4-c]oxazol-4-ium-1-olates

C—H...π interactions in 9-(n-dodecylaminomethyl)anthracene

artículo científico publicado en 2000

Di-mu-chloro-1:2kappa2Cl;3:4kappa2Cl-hexachloro-1kappa3Cl,4kappa3Cl-tetra-mu-dimethylglycine-2:3kappa8O:O'-tetracopper(II).

artículo científico publicado en 2005

Diastereoselective Aza-Baylis-Hillman Reactions: Synthesis of Chiral α-Allenylamines and 2-Azetines from Allenic Esters

Diastereoselective hydroformylation of Δ4-steroids with rhodium–phosphite catalysts

scholarly article by Zoraida Freixa et al published May 2001 in Tetrahedron: Asymmetry

Efficient oxidation of oleanolic acid derivatives using magnesium bis(monoperoxyphthalate) hexahydrate (MMPP): A convenient 2-step procedure towards 12-oxo-28-carboxylic acid derivatives ⬇️

artículo científico publicado el 30 de enero de 2012

Ethyl 3,5-dimethyl-4-phenyl-1H-pyrrole-2-carboxylate

artículo científico publicado en 2002

Ethyl 4-dodecyl-3,5-dimethyl-1H-pyrrole-2-carboxylate: intermolecular interactions in an amphiphilic pyrrole

artículo científico publicado en 2002

Field dependence of magnetic structure of UPd2Al3 in the normal state

scientific article published on 01 March 1994

FH···F hydrogen bond in diphenylguanidinium hydrogen bifluoride

Glycinium trichloroacetate

artículo científico publicado en 2006

Glycinium trifluoroacetate.

artículo científico publicado en 2002

Guanidinium 4-amino-benzoate.

artículo científico publicado en 2010

High Z′ Crystal Structure of a New Polymorph of a Thioimidazole Disulfide: Importance of Conformational Flexibility

Highly fluorescent and superparamagnetic nanosystem for biomedical applications.

artículo científico publicado en 2017

Highly ordered luminescent calix[4]azacrown films showing an emission response selective to volatile tetrahydrofuran

article published in 2014

Hydrogen-bonding and C-H...pi interactions in ethyl 4-acetyl-5-methyl-3-phenyl-1H-pyrrole-2-carboxylate monohydrate

artículo científico publicado en 2002

Investigation of Local Conduction Mechanisms in Ca and Ti-Doped BiFeO3 Using Scanning Probe Microscopy Approach

scientific article published on 14 May 2020

L-Argininium bis(trifluoroacetate)

Magnetization, neutron-, and resonant x-ray-diffraction studies of U0.85Th0.15Sb

scientific article published on 01 April 1993

Modulating the Self-Assembly of Calix[4]azacrowns to Design Materials with Improved Emission and Stimuli-Responsive Behavior

Monoclinic polymorph of 2-(pyrimidin-2-ylsulfanyl)acetic acid ⬇️

artículo científico publicado el 12 de enero de 2011

N,N',N''-Triphenyl-guanidinium 5-nitro-2,4-dioxo-1,2,3,4-tetra-hydro-pyrimidin-1-ide.

artículo científico publicado en 2008

N-Vinyl- and C-vinylpyrroles from azafulvenium methides. flash vacuum pyrolysis route to 5-Oxo-5H-pyrrolizines and 1-azabenzo[f]azulenes.

artículo científico publicado en 2005

NLO properties of a triphenlyguanidine salt: The importance of pseudo-symmetry

artículo científico publicado en 2018

New approach to exclusive formation of both enantiomers of β-amino acid derivatives

Novel Asymmetric Wittig Reaction: Synthesis of Chiral Allenic Esters

Oxidation of Δ4- and Δ5-Steroids with Hydrogen Peroxide Catalyzed by Porphyrin Complexes of MnIIIand FeIII

Powder diffraction data for N,N'-diphenylguanidinium nitrate at room and low temperatures

Quinolone-Hydroxyquinoline Tautomerism in Quinolone 3-Esters. Preserving the 4-Oxoquinoline Structure To Retain Antimalarial Activity.

artículo científico publicado en 2015

R4/4 (30) rectangular rings in 2,5-dioxopiperazine-1,4-diacetic acid

artículo científico publicado en 2003

Reactivity of 2-halo-2H-azirines. 1. Reactions with nucleophiles

artículo científico publicado en 2002

Resonant x-ray scattering investigation of magnetic ordering in NpAs(1 - x)Se(x) (x = 0.05, 0.10)

artículo científico publicado en 2010

Room temperature magnetoelectric coupling in a molecular ferroelectric ytterbium(III) complex

scientific article published on 01 February 2020

Sarcosinium trifluoroacetate

artículo científico publicado en 2000

Strong hydrogen-bonded amino acid dimers in L-alanine alaninium nitrate

artículo científico publicado en 2001

Structural and Magnetic Properties of [Mn3(C2H3O2)6(H2O)4]· 2(C2H5NO2)· 2(H2O)

artículo científico publicado en 2006

Structural and nonlinear optical studies of a salt with an octupolar chromophore: Guanidinium cyclopropanecarboxylate

artículo científico publicado en 2016

Structural defects as a factor controlling the magnetic properties of pure and Ti-doped Bi(1-x)Ca(x)FeO(3-x/2) multiferroics

artículo científico publicado en 2015

Structure and photochemistry of a saccharyl thiotetrazole

artículo científico publicado en 2014

Synthesis of Functionalized N-Vinyl Nitrogen-Containing Heterocycles

Synthesis of New 2-Halo-2-(1H-tetrazol-5-yl)-2H-azirines via a Non-Classical Wittig Reaction

artículo científico publicado en 2015

Synthesis of chiral pyrrolo[1,2-c]thiazoles via intramolecular dipolar cycloaddition of münchnones: an interesting rearrangement to pyrrolo[1,2-c]thiazines

artículo científico publicado en 2002

Synthesis of novel tricyclic isoindole derivatives

Synthesis of tricyclic isoindoles and thiazolo[3,2-c][1,3]benzoxazines

Synthesis, Structure, and Cytotoxicity of a New Sulphanyl-Bridged Thiadiazolyl-Saccharinate Conjugate: The Relevance of S⋅⋅⋅N Interaction

artículo científico publicado en 2017

Synthesis, crystal structure and magnetic properties of an alternating manganese chain

Synthesis, physicochemical and optical properties of bis-thiosemicarbazone functionalized graphene oxide

artículo científico publicado en 2017

Synthesis, structural and spectroscopic studies of 2-oxoacenaphthylen-1(2H)-ylidene nicotinohydrazide.

artículo científico publicado en 2016

Synthesis, structure, thermal and non-linear optical properties of L-argininium hydrogen selenite ⬇️

artículo científico publicado el 29 de noviembre de 2001

The reaction of azoles with 17-chloro-16-formylandrosta-5,16-dien-3β-yl-acetate: Synthesis and structural elucidation of novel 16-azolylmethylene-17-oxoandrostanes

scientific article published on 23 February 2011

Thiabendazole and Thiabendazole-Formic Acid Solvate: A Computational, Crystallographic, Spectroscopic and Thermal Study

artículo científico publicado en 2020

Ti doping-induced magnetic and morphological transformations in Sr- and Ca-substituted BiFeO3

artículo científico publicado en 2016

Triple-q→Octupolar Ordering inNpO2

artículo científico publicado en 2002

Two anilinium salts: anilinium hydrogenphosphite and anilinium hydrogenoxalate hemihydrate

artículo científico publicado en 2000

Very short F-H...F hydrogen bond in L-argininium fluoride hydrogen fluoride

artículo científico publicado en 2000

Weak antiferromagnetic interactions in hydronium diaqua-1kappaO,2kappaO-trichloro-1kappaCl,2kappa2Cl-mu-dimethylglycinato-1kappaO:2kappa2O',N-dimethylglycinato-1kappa2N,O-dicuprate(II).

artículo científico publicado en 2005

X-ray and deuterium labeling studies on the abnormal ring cleavages of a 5 beta-epoxide precursor of formestane.

artículo científico publicado en 2002

l -Histidinium thiocyanurate: Experimental and theoretical studies of a new nonlinear optical material

artículo científico publicado en 2016

Lista de obras de José A. Paixão

(1H-Tetrazol-5-yl)-Allenes: Building Blocks for Tetrazolyl Heterocycles

(R,R)-N-phenyl-3,4-bis(diphenylphosphino)pyrrolidine: an N-aryl pyrrolidine ligand for enantioselective transfer hydrogenation

16alpha,17alpha-Epoxy-20-oxopregn-5-en-3beta-yl acetate

16α,17α-Epoxy-5α-hydroxy-6β-nitrooxy-20-oxopregnan-3β-yl acetate ⬇️

17-Oxo-5alpha-androstane-3alpha,4beta-diyl diacetate and 17-oxo-5beta-androstane-3alpha,4beta-diyl diacetate.

19β,28-Ep-oxy-18α-olean-3β-ol.

2,2,4,4-Tetra-tert-butyl-1,3,5,2,4-benzotrioxadisilepine-7-carbaldehyde

2,2,6,6-Tetramethyl-4-oxopiperidinium nitrate

2,4-Dibromo-3-methoxy-6-nitrobenzaldeyde: effect of substituents on ring geometry

3,17-Dioxoandrost-4-en-4-yl acetate

3-Hydroxybenzaldehyde

3-Oxo-18α-olean-28,13β-olide

3α,4α-Epoxy-5α-androstan-17β-yl acetate ⬇️

3β-Acetoxy-lup-20(29)-en-28-yl 1H-1,2,4-triazole-1-carboxylate ⬇️

3β-Hy-droxy-lup-20(29)-en-28-yl 1H-imidazole-1-carboxyl-ate.

5-Methylhydantoin: From Isolated Molecules in a Low-Temperature Argon Matrix to Solid State Polymorphs Characterization

5Beta,6beta-epoxy-17-oxoandrostan-3beta-yl acetate and 5beta,6beta-epoxy-20-oxopregnan-3beta-yl acetate.

5α,6α-Ep-oxy-7-norcholestan-3β-yl acetate.

5α-Androst-3-en-17β-yl acetate.

6-[(4-Fluorophenyl)(1H-imidazol-1-yl)methyl]-1,3-benzodioxol-5-ol and 6-[(4-methoxyphenyl)(1H-imidazol-1-yl)methyl]-1,3-benzodioxol-5-ol

6beta-Hydroxy-5beta-methyl-20-oxo-19-norpregn-9(10)-en-3beta-yl acetate.

6β-Acetamido-5α-hydroxy-cholestan-3β-yl acetate.

6β-Chloro-5α-hydr-oxy-20-oxopregnan-3β-yl acetate

A New Route to Cross-Conjugated Bis(enamines) and an Unusual Reaction with DDQ

A ladder type structure: Rubidium diphenylacetate diphenylacetic acid

A new polymorph of 2-bromo-5-hydroxybenzaldehyde

A new polymorph of 5-nitro-uracil monohydrate.

Activation of hydrocinnamic acids with pentafluorophenol versus pentafluorothiophenol: Reactivity towards hexylamine

Amplification of the linear and nonlinear optical response of a chiral molecular crystal

An oxo-centred trinuclear FeIII complex: triaquahexakis(mu2-betaine-O:O')-mu3-oxo-triiron(III) bis(tetrachloromanganate) trichloride hexahydrate

Androstane-3β,5α,6β,17β-tetrol tri-hydrate.

Benzyl 5-carboxy-4-ethyl-3-methylpyrrole-2-carboxylate

Betainium trifluoroacetate.

Bismuth triflate-catalyzed Wagner-Meerwein rearrangement in terpenes. Application to the synthesis of the 18alpha-oleanane core and A-neo-18alpha-oleanene compounds from lupanes

Bismuth(III) salt-catalyzed Westphalen and “backbone” rearrangements of 5β,6β-epoxysteroids

Bismuth(III) triflate-catalyzed direct conversion of corticosteroids into highly functionalized 17-ketosteroids by cleavage of the C17-dihydroxyacetone side chain.

Bismuth(III) triflate-catalyzed rearrangement of 16α,17α-epoxy-20-oxosteroids. Synthesis and structural elucidation of new 16α-substituted 17α-alkyl-17β-methyl-Δ13-18-norsteroids

Chemistry of Diazafulvenium Methides in the Synthesis of Functionalized Pyrazoles

Chiral 6,7-bis(hydroxymethyl)-1H,3H-pyrrolo[1,2-c]thiazoles with anti-breast cancer properties.

Chiral 6-hydroxymethyl-1H,3H-pyrrolo[1,2-c]thiazoles: novel antitumor DNA monoalkylating agents.

Composition- and temperature-driven structural transitions in Bi(1-x)Ca(x)FeO3 multiferroics: a neutron diffraction study

Conformation of cationic N,N-dimethylglycine in dimethylglycinium trifluoroacetate.

Contribution to the synthesis of chiral allenic esters

Corrigendum to ‘Contribution to the synthesis of chiral allenic esters’

Crystal structure and experimental and theoretical studies of the second-order nonlinear optical properties of salts of triphenylguanidine with carboxylic acids.

Crystal structure and properties of l-tryptophanium hydrogen selenite

Crystal structure of 2,5-dimethyl-1-(4-carboxyphenyl)pyrrole, C13H13NO2

Crystal structure, matrix-isolation FTIR, and UV-induced conformational isomerization of 3-quinolinecarboxaldehyde

Cyanosilylation at pregnane side-chains. Selective synthesis and crystal structure of 20(R)-silylated cyanohydrins

Cycloaddition reactions of 3-aryl-5-phenyl-5H,7H-thiazolo[3,4-c]oxazol-4-ium-1-olates

C—H...π interactions in 9-(n-dodecylaminomethyl)anthracene

Di-mu-chloro-1:2kappa2Cl;3:4kappa2Cl-hexachloro-1kappa3Cl,4kappa3Cl-tetra-mu-dimethylglycine-2:3kappa8O:O'-tetracopper(II).

Diastereoselective Aza-Baylis-Hillman Reactions: Synthesis of Chiral α-Allenylamines and 2-Azetines from Allenic Esters

Diastereoselective hydroformylation of Δ4-steroids with rhodium–phosphite catalysts

Efficient oxidation of oleanolic acid derivatives using magnesium bis(monoperoxyphthalate) hexahydrate (MMPP): A convenient 2-step procedure towards 12-oxo-28-carboxylic acid derivatives ⬇️

Ethyl 3,5-dimethyl-4-phenyl-1H-pyrrole-2-carboxylate

Ethyl 4-dodecyl-3,5-dimethyl-1H-pyrrole-2-carboxylate: intermolecular interactions in an amphiphilic pyrrole

Field dependence of magnetic structure of UPd2Al3 in the normal state

FH···F hydrogen bond in diphenylguanidinium hydrogen bifluoride

Glycinium trichloroacetate

Glycinium trifluoroacetate.

Guanidinium 4-amino-benzoate.

High Z′ Crystal Structure of a New Polymorph of a Thioimidazole Disulfide: Importance of Conformational Flexibility

Highly fluorescent and superparamagnetic nanosystem for biomedical applications.

Highly ordered luminescent calix[4]azacrown films showing an emission response selective to volatile tetrahydrofuran

Hydrogen-bonding and C-H...pi interactions in ethyl 4-acetyl-5-methyl-3-phenyl-1H-pyrrole-2-carboxylate monohydrate

Investigation of Local Conduction Mechanisms in Ca and Ti-Doped BiFeO3 Using Scanning Probe Microscopy Approach

L-Argininium bis(trifluoroacetate)

Magnetization, neutron-, and resonant x-ray-diffraction studies of U0.85Th0.15Sb

Modulating the Self-Assembly of Calix[4]azacrowns to Design Materials with Improved Emission and Stimuli-Responsive Behavior

Monoclinic polymorph of 2-(pyrimidin-2-ylsulfanyl)acetic acid ⬇️

N,N',N''-Triphenyl-guanidinium 5-nitro-2,4-dioxo-1,2,3,4-tetra-hydro-pyrimidin-1-ide.

N-Vinyl- and C-vinylpyrroles from azafulvenium methides. flash vacuum pyrolysis route to 5-Oxo-5H-pyrrolizines and 1-azabenzo[f]azulenes.

NLO properties of a triphenlyguanidine salt: The importance of pseudo-symmetry

New approach to exclusive formation of both enantiomers of β-amino acid derivatives

Novel Asymmetric Wittig Reaction: Synthesis of Chiral Allenic Esters

Oxidation of Δ4- and Δ5-Steroids with Hydrogen Peroxide Catalyzed by Porphyrin Complexes of MnIIIand FeIII

Powder diffraction data for N,N'-diphenylguanidinium nitrate at room and low temperatures

Quinolone-Hydroxyquinoline Tautomerism in Quinolone 3-Esters. Preserving the 4-Oxoquinoline Structure To Retain Antimalarial Activity.