The present study focuses on the catalytic activity of cesium modified natural phosphate in
biodiesel production from rapeseed oil and low free fatty acids (FFA) used in cooking oil …

The inexpensive natural phosphate, both alone and doped with potassium fluoride, is a new
basic catalyst for the synthesis of α, β-unsaturated arylsulfones. Activation by water and …

Natural phosphate was applied as an efficient and ecofriendly catalyst for the synthesis of
tetraketones (2–2.5 h, 90–100%) and xanthenes (6.5–8.5 h, 84–95%) via Knoevenagel …

A Michael addition assisted by fluorapatite in heterogeneous media is described. Reaction
between mercaptans and chalcone derivatives was studied at room temperature in …

Natural phosphate-doped catalyst was found to be an efficient, environmentally attractive,
and selective solid base catalyst for 1, 4-Michael addition. The products of undesirable side …

This two part review looks at the uses of phosphate based heterogeneous catalysts for a
range of synthetic organic reactions. Many different phosphates are known and have been …

The application of natural phosphates doped with potassium fluoride as heterogeneous
catalysts for the Michael addition of aromatic and aliphatic amines to α, β-unsaturated …

Carbonyl compounds have been successfully converted into their corresponding
dithioacetals, dithiolanes and dithianes derivatives in excellent yields with thiol (ethanethiol …

Application of hydroxyapatite modified by sodium nitrate as heterogeneous catalysts for the
Michael type addition reaction of aliphatic and aromatic amines to α, β-unsaturated carbonyl …

The synthetic diphosphate Na 2 CaP 2 O 7 was found to be an efficient reagent for the
synthesis of α-amino phophonates from imines and dialkyl phosphites. The addition the …