| 摘要 |
1,207,416. Unsaturated esters. BRITISH PETROLEUM CO. Ltd. 25 April, 1969 [17 June, 1968], No. 28733/68. Heading C2C. Methyl acrylate is prepared by reacting methanol with methyl acetate at elevated temperature in the presence of oxygen and a catalyst comprising silver or copper carried on an aluminosilicate support which had been treated with a base before the silver or copper was deposited thereon. Acrolein and acetic acid are formed as by-products. |
