André Ricardo França da Silva

Recent Developments in the Synthesis of 2,3-dideoxy-hex-2-enopyranosides: A Review

Jonatas Tavares da Silva, André Ricardo França da Silva, Pedro Ramos de Souza Neto, Alécia Regina Andresa Silva, Gilton Lucas Santos Duarte Gomes, Isaac Beserra Filho, Amanda Maria Nunes, Fabrícia Aparecida Marques de Souza, Jucleiton José Rufino de Freitas, Juliano Carlos Rufino de Freitas & João Rufino Freitas Filho · Annual Research & Review in Biology · 2026

2,3-Dideoxy-hex-2-enopyranosides, also described as 2,3-unsaturated glycosides, constitute an important class of carbohydrate derivatives because their double bond and anomeric substituent enable diverse synthetic transformations. This review summarises recent developments in the...

Open access Research Article 10.9734/arrb/2026/v41i72410

A convenient Synthesis of 3-aryl-5-Hydroxyalkyl-1,2,4-oxadiazoles from a-hydroxy Esters and Amidoximes under Solvent-free Conditions

João Rufino de Freitas Filho, Jucleiton José Rufino de Freitas, Juliano Carlo Rufino Freitas, Aldicéia Luiz de Moura, Mauricélia Maria de Sousa Mata, André Ricardo França da Silva, Maria Verônica de Sales Barbosa & Jaqueline Ferreira Ramos · International Research Journal of Pure and Applied Chemistry · 2021

The present study aimed to synthesis and characterization of 3-aryl-5-hydroxyalkyl-1,2,4-oxadiazoles (5a-d, 6a-d, 7a/d, 8a-d and 9a-c). The 3-aryl-5-hydroxyalkyl-1,2,4-oxadiazoles were synthesized by treatment of arylamidoxime 1a-d with a-hydroxy esters for 4 hours without any so...

Open access Research Article 10.9734/irjpac/2021/v22i1130446