| abstract |
An organo-silicone compound of the formulan wherein X is a methylene or carbonyl radical, Y is an NH or O, n is an integer, R, is a hydrogen atom, halogen atom or alkyl group, R 2 , R 3 and R 4 are an alkyl group, alkoxy group, phenyl radical or substituted phenyl radical, respectively, and R s a is hydrogen atom or a group ofn in which X, Y, n, R 2 , R 3 and R 4 have the meanings as referred to, and a use of the compound for an anti-tumor composition. |