Patent ID: 8242298

Claim:
A process for preparing a compound of the formula (I) R x Hal 3-x Si—NR 1 —BR y Hal 2-y , where Hal is Cl, R are each, independently of one another, a hydrocarbon radical having from 1 to 20 carbon atoms or hydrogen, R 1 is a hydrocarbon radical having from 1 to 20 carbon atoms or hydrogen, x is 0, 1 or 2 and y is 0 or 1, characterized in that an amine component R 1 NH 2 is reacted successively with a silane component SiHal 4-x R x and a borane component BHal 3-y R y in any order; characterized in that, in a first step, the silane component is reacted continuously or a little at a time with the amine component in the gas phase, with or without carrier gas.