Al(HSO4)3 as an efficient catalyst for acetalization of carbonyl compounds under heterogeneous or solvent -free conditions
AUTOR(ES)
Mirjalili, BiBi Fatemeh, Zolfigol, Mohammad Ali, Bamoniri, Abdolhamid, Hazar, Azizeh
FONTE
Journal of the Brazilian Chemical Society
DATA DE PUBLICAÇÃO
2005-08
RESUMO
O ácido Al(HSO4)3 sólido foi usado na acetalização de compostos carbonílicos à temperatura ambiente, sem solvente, levando aos produtos desejados em excelentes rendimentos. A disponibilidade e baixo custo deste reagente, aliados a processo simples e fácil torna o método atraente para a síntese orgânica.
Documentos Relacionados
- B(HSO4)3: a novel and efficient solid acid catalyst for the regioselective conversion of epoxides to thiocyanohydrins under solvent-free conditions
- Zr(HSO4)4 as an efficient catalyst for the preparation of 10-aryl-6,8-dimethyl-6,10dihydro-5-oxa-6,8-diazaanthra[2,3-d][1,3]dioxole-7,9-diones under solvent-free conditions
- B2O3/Al2O3 as a new, highly efficient and reusable heterogeneous catalyst for the selective synthesis of β-enamino ketones and esters under solvent-free conditions
- Fast and efficient method for reduction of carbonyl compounds with NaBH4 /wet SiO2 under solvent free condition
- An efficient synthesis of novel bis-chalcones and bis-pyrazolines in the presence of cellulose sulfuric acid as biodegradable catalyst under solvent-free conditions
