C. G. Farmilo, R. V. V. Nicholls
Nov 1, 1950
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0
Influential Citations
2
Citations
Journal
Canadian journal of research
Abstract
The acetals, 1,1,3-trimethoxybutane, 1,1,3-triethoxybutane, and 1,1,3-tri-n-propoxybutane have been pyrolyzed by passage over a synthetic barium silicate at various temperatures. The yields of the 1-alkoxy-1,3-butadienes isolated from the products of pyrolysis were 80, 45, and 36% respectively. A limited number of catalysts of compositions varying from BaO: 2SiO2 to BaO: 10SiO2 have been prepared, including the recommended, BaO: 5SiO2. The qualitative effect of catalyst composition of some of these silicates on the yield of 1-methoxy-1,3-butadiene has been described. trans-1-Methoxy-1,3-butadiene has been isolated and characterized by means of reactions with maleic anhydride, and a solution containing cis and trans molecules has been analyzed and shown to contain 60% cis-1-methoxy-1,3-butadiene.