Nucleophilic Addition of Potassium Alkynyltrifluoroborates to d-Glucal Mediated by BF3·OEt2: Highly Stereoselective Synthesis of α-C-glycosides

Autor: Thomas L. S. Hough, Pedro F. Fiorante, Diogo S. Lüdtke, Hélio A. Stefani, Adriano S. Vieira, Fernando P. Ferreira

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

A convenient, mild and highly stereoselective method for C-glycosidation (alkynylation) of D-glucal with various potassium alkynyltrifluoroborates, mediated by BF3x OEt2 and involving oxonium intermediates, preferentially provides the alpha-acetylene

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::130dea4db0713c2c5b6a96f51e51ab52
https://doi.org/10.1021/ol8022177

Development and validation of analytical methodology with focus on the qualification of powder mixers

Autor: Rodrigo Dias Martins, Mauri Sérgio Alves Palma, Pedro F. Fiorante

Publikováno v: Brazilian Journal of Pharmaceutical Sciences; Vol. 51 No. 2 (2015); 273-284
Brazilian Journal of Pharmaceutical Sciences; Vol. 51 Núm. 2 (2015); 273-284
Brazilian Journal of Pharmaceutical Sciences; v. 51 n. 2 (2015); 273-284
Brazilian Journal of Pharmaceutical Sciences
Universidade de São Paulo (USP)
instacron:USP
Brazilian Journal of Pharmaceutical Sciences, Volume: 51, Issue: 2, Pages: 273-284, Published: JUN 2015
Brazilian Journal of Pharmaceutical Sciences, Vol 51, Iss 2, Pp 273-284 (2015)

This study aims at developing an analytical procedure capable of quantifying the ferric oxide present in the mixture of ferric oxide/lactose monohydrate (0.4% w/w). The analytical procedure was checked for specificity, linearity, precision (system re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d792fd11ba0a995b7ebf9c04fed6275f
https://www.revistas.usp.br/bjps/article/view/102389

ChemInform Abstract: Synthesis of Potassium and Tetra n-Butylammonium 2-Substituted-1,3-dithianotrifluoroborate Salts and Addition to Chiral Cyclic N-Acyliminium Ions

Autor: Giancarlo V. Botteselle, Hélio A. Stefani, Julio Zukerman-Schpector, Pedro F. Fiorante, Diego Alves, Adriano S. Vieira

Publikováno v: ChemInform. 39

The synthesis of potassium 2-substituted-1,3-dithianotrifluoroborate salts and tetra-n-butyl ammonium derivatives is described. The reaction proceeds under mild reaction conditions and the corresponding products were obtained in moderate to good yiel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3334578c1dcc17458b94209a20a82ae7
https://doi.org/10.1002/chin.200850169