FIELD: chemical industry. SUBSTANCE: present invention describes process for preparing 2-methyl-2-ethyl-1,3-dioxalan-4-ylmethyl methacrylate in two stages using glycerol, methyl ethyl ketone and methacrylate to produce intermediate product such as 2-methyl-2-ethyl-1,3-dioxolan-4-ylmethanol. Direct stage includes reaction of glycerol with methyl ethyl kelone in the presence of hydrocarbon and amidoalkanesulfonic acid as catalyst and azeotropic distillation of the resulting water. Use of said two stage process makes it possible to increase yield of the desired product and simplify recovery thereof. EFFECT: more efficient preparation method. 1 dwg
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Authors
Dates
1997-09-10—Published
1994-09-28—Filed