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A fast, efficient and eco-friendly procedure to prepare isatin ketals

2007; Elsevier BV; Volume: 8; Issue: 12 Linguagem: Inglês

10.1016/j.catcom.2007.04.024

1873-3905

Núbia Moura Ribeiro, Ângelo da Cunha Pinto, Bárbara V. Silva, Flávio de Almeida Violante, Marluce Oliveira Dias,

Synthesis and Biological Evaluation

A fast and efficient solvent-free procedure to prepare isatin ketals has been developed. Three different clays, commercial Montmorillonite K10 (Aldrich Co.) and two natural clays, were used as catalysts. A Brazilian-manufactured microwave oven was used as heat source. Montmorillonite K10 provides the best results.