Przemysl Chemiczny, Vol.95, No.4, 745-750, 2016
Optimization of the production of methyl 1,3,4-trimethylcyclohex-3-ene-1-carboxylate
2,3-Dimethylbuta-1,3-diene was cyclized with Me metacrylate (mole ratio 1:1 to 1.5:1) to the title ester at 403-433 K for 3.5 to 6.5 h. The optimum conditions of the reaction were detd. (yield 73% by mass).