Patent ID: 6271406
Filing Date: 2001-08-07
Classification: C07F

Abstract:
A process for the preparation of halogenated 1,2-disilaethanes of the general formulaX.sub.3-n R.sub.n Si--CHR.sup.1 CHR.sup.1 --SiR.sub.n X.sub.3-n (I)in which R are identical or different and are a hydrogen atom or a monovalent, optionally substituted hydrocarbon radical having 1 to 40 carbon atom(s) per radical,R.sup.1 are identical or different and are a hydrogen atom or a monovalent optionally substituted hydrocarbon radical having 1 to 40 carbon atom(s) per radical,X are a halogen atom, andn denotes 0, 1 or 2,wherein halogenated 1,2-disilaethenes of the general formulaX.sub.3-n R.sub.n Si--CR.sup.1.dbd.CR.sup.1 --SiR.sub.n X.sub.3-n (II)in which R, R.sup.1, X and n have the meaning stated above therefor, are reacted with hydrogen in the presence of a hydrogenation catalyst.