Abstract Room temperature acetalization of aldehydes with methanol has been carried out using metal organic frameworks (MOFs) as solid heterogeneous catalysts. Of the MOFs tested, a copper-containing MOF [Cu 3 (BTC) 2](BTC= 1, 3, 5-benzenetricarboxylate) showed better catalytic activity than an iron-containing MOF [Fe (BTC)] and an aluminium containing MOF [Al 2 (BDC) 3](BDC= 1, 4-benzenedicarboxylate). The protocol was ...