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Grace Gosmann

Centre national de la recherche scientifique

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Phytochemistry | 1996

Matesaponin 5, a highly polar saponin from Ilex paraguariensis

Katia H. Kraemer; Alexandre Toshirrico Cardoso Taketa; Eloir Paulo Schenkel; Grace Gosmann; Dominique Guillaume

The structure of matesaponin 5, a novel saponin isolated from the leaves of the Ilex paraguariensis, was established as ursolic acid-3-0-{beta-D-glucopyranosyl-(1->3)-[alpha-L-rhamnopyranosyl-(1->2)]-alpha-L- arabino pyranosyl}-(28->1)-beta-D-glucopyranosyl-(1->4)-beta-D-glucopyranosyl-(1 ->6)-beta-D-glucopyranosyl] ester.

Tetrahedron Letters | 1996

Asymmetric synthesis. XLI. Totally stereoselective synthesis of 1,3-disubstituted tetrahydroisoquinolines via the CN(R,S) method

Grace Gosmann; Dominique Guillaume; Henri-Philippe Husson

Abstract Optically active cis - or trans - 1,3-disubstituted tetrahydroisoquinolines can be prepared selectively from the same oxazolidine 4 . This latter is easily obtained from keto-acid 1 and ( R )-(−)-phenylglycinol.

Acta farmacéutica bonaerense | 2004

Antioxidant activity of Baccharis spicata, Baccharis trimera and Baccharis usterii

Q Simone; Felipe Dal-Pizzol; Eloir Paulo Schenkel; Grace Gosmann

Acta farmacéutica bonaerense | 2001

Triterpenes and Saponins from Ilex argentina Leaves

Margareth L Athayde; Eloir Paulo Schenkel; Simone Cristina Baggio Gnoatto; Grace Gosmann; Gustavo C Gilberti; Dominique Guillaume

Acta farmacéutica bonaerense | 1999

Triterpenoids from the leaves of Ilex theezans Martius ex Reiss.

Margareth L Athayde; Eloir Paulo Schenkel; Grace Gosmann; Dominique Guillaume

Cad. farm | 1986

O controle de qualidade de insumos vegetais e fitoterápicos na Faculdade de Farmácia da Universidade Federal do Rio Grande do Sul

Eloir Paulo Schenkel; Grace Gosmann; Mareni Rocha Farias; Rosana Isabel dos Santos; Rose Mari Jacobsen Vianna; Cláudia Maria Oliveira Simões

Archive | 2007

Caracterização da complexação da hematina com novos agentes antimaláricos utilizando simulações de dinâmica molecular

Thais Brizolara Ferreira; Simone Cristina Baggio Gnoatto; Grace Gosmann

Archive | 2006

Efeito ansiogênico de Passiflora alata Curtis (Passifloraceae)

Cassia Sallaberry de Souza; Raquel Fenner; Andresa H. Betti; Gustavo Provensi; Grace Gosmann

Archive | 2005

Toxidade aguda e subcrônica de um extrato seco nebulizado de Passiflora alata curtis (Passifloraceae)

Andresa H. Betti; Raquel Fenner; Gustavo Provensi; Cassia Sallaberry de Souza; Luciana de Almeida Lacerda; Felix Hilario Diaz Gonzalez; David Driemeier; Grace Gosmann

Archive | 2004

Avaliação do perfil qualitativo de saponinas por HPLC em folhas de Ilex paraguariensis submetidas a diferentes líquidos extratores

Celso Luiz Bordignon Júnior; Grace Gosmann; Eloir Paulo Schenkel

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Dominique Guillaume

Centre national de la recherche scientifique

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Flavio Henrique Reginatto

Universidade de Passo Fundo

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Margareth Linde Athayde

Universidade Federal de Santa Maria

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Simone Cristina Baggio Gnoatto

Universidade Federal do Rio Grande do Sul

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Viviane Silva Pires

Universidade Federal do Rio Grande do Sul

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Alexandre Toshirrico Cardoso Taketa

Universidade Federal do Rio Grande do Sul

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Andresa H. Betti

Universidade Federal do Rio Grande do Sul

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Cristian Dias Birk

Universidade Federal do Rio Grande do Sul

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Raquel Fenner

Universidade Federal do Rio Grande do Sul

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Gustavo Provensi

Universidade Federal do Rio Grande do Sul

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