Improved Process for the Continuous Acylation of 1,3-Benzodioxole

The acylation of 1,3-benzodioxole was studied in a continuous process using a recyclable heterogeneous substoichiometric catalyst. In a short time period (30 min), at 100 °C, the conversion rate was 73%, with a selectivity of 62% of the desired acylated product; the reaction was run continuously for 6 h, showing excellent stability and selectivity. Moreover, the unreacted starting material, 1,3-benzodioxole, can be easily separated by distillation and recycled.

• Pollon, D
• Annunziata, F
• Paganelli, S
• Tamborini, L
• Pinto, A
• Fabris, S
• Baldo, MA
• Piccolo, O

• Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari Venezia, Via Torino 155, Venezia Mestre, 30170 Venezia, Italy

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