Synthesis, characterization and catalytic activity of titanium dodecylamino phosphate for synthesis of tetrahydrobenzo[a]xanthen-11-ones

Abstract

Titanium dodecylamino phosphate catalyst has been synthesized and characterized by various techniques. Titanium dodecylamino phosphate efficiently catalyses tetrahydrobenzo[a]xanthen-11-ones synthesis at room temperature and the products are formed in high yields. An equal molar mixture of methanol and water is found to be a suitable solvent. The catalyst can be recycled. Influence of various reaction parameters such as various solvents, catalyst dosage, effect of substituents on aldehydes and reusability have been studied. A plausible mechanism on its synthesis is proposed.