[Br:1][C:2]([CH:9]=[CH2:10])=[CH:3][O:4][Si](C)(C)C.[O:11]([CH:14](OCC)[CH:15]=[CH:16][C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1)[CH2:12][CH3:13]>>[Br:1][C:2](=[CH:3][CH2:4][CH:14]([O:11][CH2:12][CH3:13])[CH:15]=[CH:16][C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1)[CH:9]=[O:10]One starts with 2.21 g of 2-bromo-1-trimethylsiloxybut-1,3-diene and 2.06 g of 3,3-diethoxyl-1-phenylprop-1-ene and proceeds in the same manner as in Example 3, except that the reaction is carried out for two hours.
Wird geladen…