Montedison S.p.a.

Giuseppe Puglia

Giovanni Sartori

Giuseppe Casnati

Giovanni Casiraghi

Giuliana Terenghi

There is disclosed a catalytic process for preparing, from phenols and formaldehyde 2-hydroxybenzoic aldehydes some of which are new in the art and, more particularly, a high-selectivity process for preparing the aldehydes by direct synthesis from phenols having at least a free ortho position and formaldehyde, in the presence of a catalyst consisting of anhydrous stannous and/or stannic chloride and of an aprotic binder.

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Reggio Emilia, Italy

Giuseppe Puglia