S. Sebti et al., HETEROGENEOUS CATALYSIS OF THE FRIEDEL-CRAFTS ALKYLATION BY DOPED NATURAL PHOSPHATE AND TRICALCIUM PHOSPHATE, Chemistry Letters, (8), 1996, pp. 721-721
Catatytic behavior has been observed for tricalcium phosphate and eith
er copper or zinc chloride doped natural phosphate for the Friedel-Cra
fts reaction. Monoalkylation has been quantitatively achieved with hig
h selectivity.