Patent ID: 7935425

Claim:
A method for producing the organosilane compound represented by the formula (2): wherein x represents an integer of 3 or above, each of R 1 and R 2 represents a C 1-20 hydrocarbon group, R 5 represents a C 1-20 hydrocarbon group or a hydrogen atom, which comprises reacting a halogenated alkoxysilane compound substituted by a secondary hydrocarbon group, represented by the following formula (8) having such a structure that a secondary hydrocarbon group is directly bonded to a silicon atom: wherein R 1 , R 2 , R 5 are as defined above, R 4 represents a C 1-10 hydrocarbon group or hydrogen atom, X represents a hydrogen atom, a chlorine atom, a bromine atom or an iodine atom; and s represents an integer of from 0 to 2, with water in the presence of an acid or a base.