| 摘要 |
1,205,669. Unsaturated esters. AIR REDUCTION CO. Inc. 25 June, 1968 [29 June, 1967], No. 30143/68. Heading C2C. Unsaturated esters are prepared by contacting a lower alkene and an organic carboxylic acid in the vapour phase, in admixture with oxygen with a catalyst comprising cupric chloride, a chloride of a Group VIII or IB metal and an alkali metal bromide at a temperature between 100‹ and 175‹ C. and a pressure between 0.1 and 10 atmospheres. |
