A simple, efficient, and practical procedure for the Biginelli reaction using zirconium hydrogen phosphate [Zr(H(2)PO(4))(2)] as a novel solid acid catalyst is described under solvent-free conditions in high yields. The ...

Conduramines, dihydroconduramines and structurally related compounds belong to an important class of glycosidase inhibitors which are essential elements of many biologically active compounds. The synthesis and characterization ...

The first total synthesis of apigenin 7-O--D-cellobioside (5) and apigenin 7-O--D-cellobiosyl-4-O--D-glucopyranoside (8), which were isolated from petals of Salvia patens and Salvia uliginosa, were achieved in four and six ...