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Results: 1-18 |
Results: 18
NEW CARBOHYDRATE-BASED CHIRAL AUXILIARIES IN DIELS-ALDER REACTION
Authors: FERREIRA MLG PINHEIRO S PERRONE CC COSTA PRR FERREIRA VF
Citation: Mlg. Ferreira et al., NEW CARBOHYDRATE-BASED CHIRAL AUXILIARIES IN DIELS-ALDER REACTION, Tetrahedron : asymmetry, 9(15), 1998, pp. 2671-2680
SYN OR ANTI SELECTIVE MICHAEL ADDITION OF ALLYL PHENYL SULFONE AND PHENYL PRENYL SULFONE TO ENOATES DERIVED FROM D-MANNITOL
Authors: FERREIRA ARG DIAS AG PINTO AC COSTA PRR MIGUEZ E DASILVA AJR
Citation: Arg. Ferreira et al., SYN OR ANTI SELECTIVE MICHAEL ADDITION OF ALLYL PHENYL SULFONE AND PHENYL PRENYL SULFONE TO ENOATES DERIVED FROM D-MANNITOL, Tetrahedron letters, 39(30), 1998, pp. 5305-5308
SYNTHESIS AND STRUCTURAL DETERMINATION OF NEW CHIRAL AUXILIARIES DERIVED FROM (-)-BETA-PINENE
Authors: DUMAS F ALENCAR K MAHUTEAU J BARBERO MJL MIET C GERARD F VASCONCELLOS MLAA COSTA PRR
Citation: F. Dumas et al., SYNTHESIS AND STRUCTURAL DETERMINATION OF NEW CHIRAL AUXILIARIES DERIVED FROM (-)-BETA-PINENE, Tetrahedron : asymmetry, 8(4), 1997, pp. 579-583
STEREOCONTROLLED ELABORATION OF QUATERNARY CARBON CENTERS INVOLVING THE ASYMMETRIC MICHAEL-TYPE ALKYLATION OF CHIRAL IMINES - AN EFFICIENT ENANTIOSELECTIVE ACCESS TO (-VINCAMINE())
Authors: ALVES JCF SIMAS ABC COSTA PRR DANGELO J
Citation: Jcf. Alves et al., STEREOCONTROLLED ELABORATION OF QUATERNARY CARBON CENTERS INVOLVING THE ASYMMETRIC MICHAEL-TYPE ALKYLATION OF CHIRAL IMINES - AN EFFICIENT ENANTIOSELECTIVE ACCESS TO (-VINCAMINE()), Tetrahedron : asymmetry, 8(12), 1997, pp. 1963-1966
ASYMMETRIC FRIEDEL-CRAFTS REACTION MEDIATED BY NEW CHIRAL AUXILIARIESDERIVED FROM (1S)-(-)-BETA-PINENE - ENANTIOSELECTIVE SYNTHESIS OF (-)-8-NORETHYL,1'-NORMETHYL ETODOLAC
Authors: COSTA PRR CABRAL LM ALENCAR KG SCHMIDT LL VASCONCELLOS MLAA
Citation: Prr. Costa et al., ASYMMETRIC FRIEDEL-CRAFTS REACTION MEDIATED BY NEW CHIRAL AUXILIARIESDERIVED FROM (1S)-(-)-BETA-PINENE - ENANTIOSELECTIVE SYNTHESIS OF (-)-8-NORETHYL,1'-NORMETHYL ETODOLAC, Tetrahedron letters, 38(40), 1997, pp. 7021-7024
ONE-POT LARGE-SCALE PROCEDURE FOR THE PRODUCTION OF 2-ETHYL-2-CARBOETHOXYCYCLOPENTANONE AND 2-BUTYL-2-CARBOETHOXYCYCLOPENTANONE FROM ETHYL ADIPATE
Authors: MAFRA JCM ANTUNES OAC COSTA PRR
Citation: Jcm. Mafra et al., ONE-POT LARGE-SCALE PROCEDURE FOR THE PRODUCTION OF 2-ETHYL-2-CARBOETHOXYCYCLOPENTANONE AND 2-BUTYL-2-CARBOETHOXYCYCLOPENTANONE FROM ETHYL ADIPATE, Synthetic communications, 27(24), 1997, pp. 4361-4366
SYN-SELECTIVE MICHAEL ADDITION OF NITROMETHANE DERIVATIVES TO ENOATESDERIVED FROM (R)-(-GLYCERALDEHYDE ACETONIDE())
Authors: COSTA JS DIAS AG ANHOLETO AL MONTEIRO MD PATROCINIO VL COSTA PRR
Citation: Js. Costa et al., SYN-SELECTIVE MICHAEL ADDITION OF NITROMETHANE DERIVATIVES TO ENOATESDERIVED FROM (R)-(-GLYCERALDEHYDE ACETONIDE()), Journal of organic chemistry, 62(12), 1997, pp. 4002-4006
VARIABLE CHEMO-SELECTIVE ELECTROPHILIC ATTACK ON SILYLATED AROMATIC-ALDEHYDES
Authors: COSTA PRR DASILVA AJM VASCONCELLOS MLAA LOPES CC LOPES RSC
Citation: Prr. Costa et al., VARIABLE CHEMO-SELECTIVE ELECTROPHILIC ATTACK ON SILYLATED AROMATIC-ALDEHYDES, Synlett, (8), 1996, pp. 783
2,3 4,5-DI-O-ISOPROPYLIDENE-BETA-D-FRUCTOPYRANOSE AS CHIRAL AUXILIARYIN ASYMMETRIC ALPHA-ALKYLATION OF ESTER ENOLATES/
Authors: COSTA PRR FERREIRA VF ALENCAR KG FILHO HCA FERREIRA CM PINHEIRO S
Citation: Prr. Costa et al., 2,3 4,5-DI-O-ISOPROPYLIDENE-BETA-D-FRUCTOPYRANOSE AS CHIRAL AUXILIARYIN ASYMMETRIC ALPHA-ALKYLATION OF ESTER ENOLATES/, Journal of carbohydrate chemistry, 15(6), 1996, pp. 691-699
ORTHOBROMODIPHENYLMETHANE DERIVATIVES AS STARTING MATERIALS FOR THE TOTAL SYNTHESIS OF ANTHRAQUINONES
Authors: ALMEIDA WP COSTA PRR
Citation: Wp. Almeida et Prr. Costa, ORTHOBROMODIPHENYLMETHANE DERIVATIVES AS STARTING MATERIALS FOR THE TOTAL SYNTHESIS OF ANTHRAQUINONES, Synthetic communications, 26(23), 1996, pp. 4507-4518
ASYMMETRIC FRIEDEL-CRAFTS REACTION - AN APPLICATION TO THE SYNTHESIS OF AN ETODOLAC ANALOG
Authors: CABRAL LM COSTA PRR VASCONCELLOS MLAA BARREIRO EJ CASTRO RN
Citation: Lm. Cabral et al., ASYMMETRIC FRIEDEL-CRAFTS REACTION - AN APPLICATION TO THE SYNTHESIS OF AN ETODOLAC ANALOG, Synthetic communications, 26(19), 1996, pp. 3671-3676
TOTAL SYNTHESIS OF PTEROCARPAN - (+ -)-NEORAUTENANE/
Authors: LICHTENFELS RA COELHO AL COSTA PRR
Citation: Ra. Lichtenfels et al., TOTAL SYNTHESIS OF PTEROCARPAN - (+ -)-NEORAUTENANE/, Journal of the Chemical Society. Perkin transactions. I, (7), 1995, pp. 949-951
ENANTIOSELECTIVE SYNTHESIS OF SUBSTITUTED OCTALONES
Authors: SEQUEIRA LC COSTA PRR NEVES A ESTEVES P
Citation: Lc. Sequeira et al., ENANTIOSELECTIVE SYNTHESIS OF SUBSTITUTED OCTALONES, Tetrahedron : asymmetry, 5(8), 1994, pp. 1433-1434
ENANTIOSELECTIVE SYNTHESIS OF (R)-(-BETA-PIPERONYL-GAMMA-BUTYROLACTONE())
Authors: FILHO HCA FILHO UFL PINHEIRO S VASCONCELLOS MLAA COSTA PRR
Citation: Hca. Filho et al., ENANTIOSELECTIVE SYNTHESIS OF (R)-(-BETA-PIPERONYL-GAMMA-BUTYROLACTONE()), Tetrahedron : asymmetry, 5(7), 1994, pp. 1219-1220
ON THE ASYMMETRIC INDUCTION INVOLVING LITHIUM ENOLATES OF L-MENTHYLPROPIONATE
Authors: RIBEIRO LP ANTUNES OAC BERGTER L COSTA PRR
Citation: Lp. Ribeiro et al., ON THE ASYMMETRIC INDUCTION INVOLVING LITHIUM ENOLATES OF L-MENTHYLPROPIONATE, Tetrahedron : asymmetry, 5(10), 1994, pp. 1873-1874
ON THE ASYMMETRIC INDUCTION INVOLVING LITHIUM ENOLATES OF L-MENTHYLPROPIONATE
Authors: RIBEIRO LP ANTUNES OAC BERGTER L COSTA PRR
Citation: Lp. Ribeiro et al., ON THE ASYMMETRIC INDUCTION INVOLVING LITHIUM ENOLATES OF L-MENTHYLPROPIONATE, Tetrahedron : asymmetry, 5(10), 1994, pp. 1873-1874
THE ALDOL ADDITION-REACTION BETWEEN GAMMA-OXYGENATED CARBOXYLIC ESTERS DERIVED FROM 2,6-DIMETHYLPHENOL AND PIPERONAL
Authors: COSTA PRR FERNANDES MFG PINHEIRO S
Citation: Prr. Costa et al., THE ALDOL ADDITION-REACTION BETWEEN GAMMA-OXYGENATED CARBOXYLIC ESTERS DERIVED FROM 2,6-DIMETHYLPHENOL AND PIPERONAL, Tetrahedron letters, 35(9), 1994, pp. 1325-1328
DIASTEREOSELECTIVE MICHAEL ADDITION OF NITROMETHANE TO ENOATES DERIVED FROM (R)-GLYCERALDEHYDE ACETONIDE
Authors: PATROCINIO VL COSTA PRR CORREIA CRD
Citation: Vl. Patrocinio et al., DIASTEREOSELECTIVE MICHAEL ADDITION OF NITROMETHANE TO ENOATES DERIVED FROM (R)-GLYCERALDEHYDE ACETONIDE, Synthesis, (5), 1994, pp. 474-476
Risultati: 1-18 |