1.Benzalacetone 1,2-propylene glycol ketal was synthesized from benzalacetone and 1,2-propylene glycol in the presence of ptoluene sulphonic acid.

1.以对甲苯催化剂,通过叉丙酮与-1,2-丙应合成了叉丙酮-1,2-丙缩酮。