| 2002 |
Artigo em periódico |
One-Pot Synthesis of New Chiral Sulfides and Selenides Containing Oxazolidines: Catalyst in the Enantioselective Addition of Diethylzinc to Benzaldehyde
Helmoz Roseniaim APPELT; Antonio Luiz BRAGA; Oscar E D RODRIGUES; Marcio W PAIXÃO; Claudio C SILVEIRA et al
Synthesis. Journal of Synthetic Organic Chemistry
ISSN 0039-7881
|
PS
Organic Chemistry
|
| 2002 |
Artigo em periódico |
Facile and practical enantioselective synthesis of propargylic alcohols by direct addition of alkynes to aldehydes catalyzed by chiral disulfide-oxazolidine ligands
Helmoz Roseniaim APPELT; Antonio Luiz BRAGA; Claudio C SILVEIRA; Ludger A WESSJOHANN; Paulo H SCHNEIDER
Tetrahedron (Oxford)
ISSN 0040-4020
|
PS
Organic Chemistry
|
| 2001 |
Trabalho em evento |
New Chiral Disulfide-Ligands as Effective Catalysts in the Enantioselective addition of Diethylzinc to Aldehydes
Helmoz Roseniaim APPELT; Antonio Luiz BRAGA; Elenilson Freitas ALVES; Claudio C SILVEIRA; Ludger A WESSJOHANN
9th Brazilian Meeting on Organic Synthesis
|
PS
Organic Chemistry
|
| 2001 |
Trabalho em evento |
Síntese Enantiosseletiva de Álcoois Propargílicos Quirais via Catálise Assimétrica
Helmoz Roseniaim APPELT; Paulo H SCHNEIDER; Claudio C SILVEIRA; Antonio Luiz BRAGA
53ª Reunião Anual da SBPC
|
PS
Organic Chemistry
|
| 2001 |
Artigo em periódico |
R;R-(+)-Bis[3-benzyloxazolan-4-yl] disulfide
Helmoz Roseniaim APPELT; Ernesto S LANG; Robert Alan BURROW; Antonio Luiz BRAGA; Paulo H SCHNEIDER et al
Acta Crystallographica. Section E
ISSN 1600-5368
|
PS
Chemistry (miscellaneous)
|
| 2001 |
Artigo em periódico |
New C-2 symmetric chiral disulfide-ligands derived from (R)-cysteine
Helmoz Roseniaim APPELT; Antonio Luiz BRAGA; Paulo H SCHNEIDER; Oscar E D RODRIGUES; Claudio C SILVEIRA et al
Tetrahedron (Oxford)
ISSN 0040-4020
|
PS
Organic Chemistry
|
| 2001 |
Artigo em periódico |
Álcoois Propargílicos Quirais: Precursores e Intermediários Sintéticos de Compostos Biologicamente Ativos
Helmoz Roseniaim APPELT; Julieta Saldanha De OLIVEIRA
Revista da Saúde (URCAMP)
ISSN 1414-7556
|
PS
Organic Chemistry
|
| 2000 |
Trabalho em evento |
New Chalcogenides derived from L-aminoacids: chiral catalyst in the addition of diethylzinc to aldehydes
Helmoz Roseniaim APPELT; Antonio Luiz BRAGA; Marcio W PAIXÃO; Claudio C SILVEIRA; Oscar E D RODRIGUES
8th International Conference on the Chemistry of Selenium and Tellurium
|
PS
Organic Chemistry
|
| 2000 |
Trabalho em evento |
Síntese Enantiosseletiva de Álcoois Propargílicos Quirais via Catálise Assimétrica
Helmoz Roseniaim APPELT; Antonio Luiz BRAGA; Claudio C SILVEIRA; Paulo H SCHNEIDER
XXIV Congresso Latinoamericano de Quimica
|
PS
Catalysis
|
| 2000 |
Trabalho em evento |
New chalcogenides derivd from L-aminoacids: chiral catalyst in the addition of diethylzinc to aldehydes
Helmoz Roseniaim APPELT; Antonio Luiz BRAGA; Marcio W PAIXÃO; Claudio C SILVEIRA; Oscar E D RODRIGUES
XXIV Congresso Latinoamericano de Quimica
|
PS
Catalysis
|
| 1999 |
Artigo em periódico |
A new funcionalized; chiral disulfide derived from L-cysteine: (R;R)-bis[(3-benzyloxazolan-4-yl)-methane] disulfide as a catalyst in the diethylzinc addition to aldehydes
Helmoz Roseniaim APPELT; Antonio Luiz BRAGA; Paulo H SCHNEIDER; Claudio C SILVEIRA; Ludger A WESSJOHANN
Tetrahedron. Asymmetry
ISSN 0957-4166
|
PS
Catalysis
|
| 1998 |
Trabalho em evento |
New funcionalized disulfide derived from L-cysteine: chiral catalyst in the diethylzinc addition to aldehydes
Helmoz Roseniaim APPELT; Antonio Luiz BRAGA; Claudio C SILVEIRA; Paulo H SCHNEIDER; Sandra Jussara Nunes Da SILVA
8th Brazilian Meeting on Organic Synthesis
|
PS
Organic Chemistry
|
| 1993 |
Trabalho em evento |
Síntese de Peptídeos em Solução
Helmoz Roseniaim APPELT; Ademir Farias MOREL
I Jornada de pesquisa das Universidades do Grupo de Montevideo - AUGM
|
LS
Biochemistry
|
| 1992 |
Trabalho em evento |
Synthesis of Short-Chain Biologicaly Active Peptides
Helmoz Roseniaim APPELT; Ademir Farias MOREL; Ionara I DALCOL
5th Brazilian Meeting on Organic Synthesis
|
PS
Organic Chemistry
|
| 1990 |
Trabalho em evento |
Síntese da Delta-Melanotropina
Helmoz Roseniaim APPELT; Ademir Farias MOREL; Luciano BARROSO
13º Reunião anual da Sociedadse Brasileira de Química
|
PS
Organic Chemistry
|
| 1989 |
Trabalho em evento |
Síntese da Delta-Melanotropina
Helmoz Roseniaim APPELT; Ademir Farias MOREL; Luciano BARROSO
29° Congresso Brasileiro de Química
|
PS
Organic Chemistry
|