Abstract
Commercially available anhydrous zinc chloride has been found to be a highly efficient catalyst for dimethyl acetalization in high yields by treatment of aldehydes and ketones with trimethyl orthoformate in methanol-cyclohexane at reflux temperature.
ACKNOWLEDGMENTS
A. H. is pleased to acknowledge the financial support from Department of Science and Technology (DST) (Grant No. SR/FTP/CS-107/2006). We are thankful to DST-Funding for Infrastructure in Science and Technology (FIST) and Special Assistance Program (SAP)-University Grants Commission (UGC), India. D. K. thanks the Council for Scientific and Industrial Research (CSIR) for his fellowship. We also express our sincere thanks to Prof. B. C. Ranu, Department of Chemistry, Indian Association for the Cultivation of Science, for his advice and constant encouragement.
Notes
a Yields refer to isolated pure products fully characterized by spectral and analytical data.