Process for producing methylene malonic esters

Details Process for producing methylene malonic esters Process for producing methylene malonic esters

C - Chemistry, Metallurgy

07

C

260/479.5

C07C 69/74 (2006.01) C07D 239/70 (2006.01)

Patent

CA 1086772

PROCESS FOR PRODUCING METHYLENE MALONIC ESTERS Abstract of the Disclosure A process comprising (A) reacting an ester of malonic acid having the formula Image with formaldehyde and a diene having the formula Image in the presence of an amine catalyst at about reflux temperature to form a compound having the formula Image wherein R1 and R2 are the same or different and each represents alkyl of 1 to about 10 carbon atoms, cyclo- hexyl or alkenyl of 2 to about 4 carbon atoms and each R3 is the same or different and represents hydrogen, methyl or ethyl. - 1 -

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