[CH3:1][Si:2]([CH3:8])([CH3:7])[O:3][SiH:4]([CH3:6])[CH3:5].[C:9]([O:12]CC=C)(=[O:11])[CH3:10].C>[Pd]>[CH3:1][Si:2]([CH3:8])([CH3:7])[O:3][Si:4]([CH3:6])([CH3:5])[O:12][C:9](=[O:11])[CH3:10]A mixture containing 14.8 g of 1,1,1,3,3-pentamethyldisiloxane, 10.0 g of allyl acetate (acetic acid allylester) and 0.01 g of palladium supported on activated charcoal, in which the 0.1 g refers to the total weight of the charcoal and the palladium, is heated to boiling under reflux (approximately 105° C.) for 4 hours. The 1,1,1,3,3-pentamethyl-3-acetoxydisiloxane yield is quantitative.
Wird geladen…