We report the synthesis of highly active mesoporous aluminosilicate for the acetalization of 3,4-dimethoxybenzaldehyde with propylene glycol. The existing synthesis methods for aluminosilicate and ZSM-5 were modified to produce aluminosilicate material with hierarchical porous structure. A combination of two structure directing agents, tetrapropylammonium hydroxide (TPAOH) and cetyltrimethylammonium bromide (CTAB), produced a highly active aluminosilicate framework that provides a wide access for bulky reactants and strong acid sites to catalyse the reaction. The pore structure and the strength of the acid sites were crucial for high conversion of 3,4-dimethoxybenzaldehyde.

Original languageEnglish
Pages (from-to)25-30
Number of pages6
JournalJurnal Teknologi (Sciences and Engineering)
Issue number5
Publication statusPublished - 2014


  • 3,4-dimethoxybenzaldehyde
  • Acetalization
  • Hierarchical porous aluminosilicate


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