Method for producing chlorosilanes

Details Method for producing chlorosilanes Method for producing chlorosilanes

C - Chemistry, Metallurgy

07

F

260/448.5

C07F 7/12 (2006.01)

Patent

CA 1310655

ABSTRACT OF THE DISCLOSURE A method for producing chlorosilanes, which are useful in a wide range of industrial field as an intermediate for organosilicon products such as silicone rubbers, silicone oils, silicone resins, etc. as well as a raw material for the production of organic chemicals such as medicines, agricultural chemicals, dyestuffs, etc., represented by the general formula, Image , Image or Image wherein R1 and R4, which may be the same or different, represent an alkyl group having from 1 to 5 carbon atoms, a chloromethyl group, an ethynyl group or a halogen atom; R2 and R3, which may be the same or different, represent an alkyl group having from 1 to 3 carbon atoms; R5 and R6, which may be the same or different, represent an alkyl group having from 1 to 2 carbon atoms; and R7 represents an alkyl group having from 1 to 18 carbon atoms, which comprises reacting a disiloxane represented by the general formula, Image wherein R1, R2, R3, R4, R5 and R6 are as defined above or a silanol represented by the general formula, Image wherein R2, R3 and R7 are as defined above, with phosgene in the presence or absence of a tertiary amide.

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