Synthesis of phenylacetaldehyde glycol acetal using aluminium methanesulfonate as catalyst;

Phenylacetaldehyde dimethyl alcohol acetal, phenylacetaldehyde glycol acetal and phenylacetaldehyde 1,2-propanediol acetal were synthesized by reacting phenylacetylene with activated methanol, glycol and 1, 2-propanediol, respectively, in a super-basic biphase catalytic system (KOH/ DMSO).

Under the conditions mentioned above, the yield of phenylacetaldehyde ethylene glycol acetal could reached 86.

Synthesis of benzaldehyde glycol acetal catalyzed by strong-acid cation-exchange resin;

The yield of benzaldehyde glycol acetal could be up to 85.

0 and the optimal reaction time is 30, 50 and 60 min, respectively, giving the yields of phenylacetaldehyde dimethyl alcohol acetal, pheny.

Catalytic synthesis of benzaldehyde glycol acetal over iodine;

Catalytic synthesis of benzaldehyde glycol acetal with H_4SiW_(12)O_(40);

Catalytic synthesis of benzaldehyde glycol acetal with SO_4~(2-)/TiO_2-MoO_3;