D. Ponde et al., NATURAL KAOLINITIC CLAY - A REMARKABLE REUSABLE SOLID CATALYST FOR THE SELECTIVE FUNCTIONAL PROTECTION OF ALDEHYDES AND KETONES, Tetrahedron letters, 37(26), 1996, pp. 4605-4608
Natural kaolinitic clay possessing transition metals such as Fe and Ti
in its lattice has been found to catalyze efficiently the chemoselect
ive acetalization and thioacetalization of variety of carbonyl compoun
ds with ethane-1,2-diol and ethane-1,2-dithiol respectively. Copyright
(C) 1996 Published by Elsevier Science Ltd