Silahydrocarbyl esters of 3-chloro-2-trifluoromethylpropionic acid, their preparation and preparation of the corresponding acrylic acid esters
View Patent ↗An organic silicon compound represented by the following general formula: ClCH 2 CH(CF 3 )COOR 3 Si(R 1 ) n (R 2 ) 3-n (wherein, R 1 independently designates the same or different substituted or unsubstituted hydrocarbon groups having 1 to 20 carbon atoms, R 2 independently designates the same or different groups selected from halogen groups or hydrolysable groups having 1 to 20 carbon atoms, R 3 designates substituted or unsubstituted alkylene groups having 1 to 20 carbon atoms, and “n” is an integer from 0 to 3). The organic silicon compound is suitable for use as a preferable precursor in the manufacture of silanes that contain (2-trifluoromethylacryloxy)alkyl groups.
1. An organic silicon compound represented by the following general formula:
wherein, R 1 independently designates the same or different substituted or unsubstituted hydrocarbon groups having 1 to 20 carbon atoms, R 2 independently designates the same or different groups selected from halogen groups or hydrolysable groups having 1 to 20 carbon atoms, R 3 designates a substituted or unsubstituted alkylene group having 1 to 20 carbon atoms, and “n” is an integer from 0 to 3.
2. The organic silicon compound of claim 1 , in which R 3 designates a substituted or unsubstituted alkylene group having 2 to 20 carbon atoms.
3. A method of manufacturing an organic silicon compound represented by the following general formula:
wherein, R 1 independently designates the same or different substituted or unsubstituted hydrocarbon groups having 1 to 20 carbon atoms, R 2 independently designates the same or different groups selected from halogen groups or hydrolysable groups having 1 to 20 carbon atoms, R 5 designates a substituted or unsubstituted alkylene group having 2 to 20 carbon atoms, and “n” is an integer from 0 to 3, the method being characterized by carrying out a reaction between a compound of the following general formula:
wherein, R 4 designates an alkenyl group with 2 to 20 carbon atoms and a silicon compound having a silicon-bonded hydrogen atom and represented by the following general formula:
R 1 n R 2 3-n SiH
wherein, R 1 , R 2 , and “n” are the same as defined above, with the reaction being carried out in the presence of a hydrosilylation catalyst.
4. A method of manufacturing an organic silicon compound that contains a (2-trifluoromethylacryloxy) alkyl group and is represented by the following general formula:
wherein, R 1 independently designates the same or different substituted or unsubstituted hydrocarbon groups having 1 to 20 carbon atoms, R 2 independently designates the same or different groups selected from halogen groups or hydrolysable groups having 1 to 20 carbon atoms, R 3 designates substituted or unsubstituted alkylene groups having 1 to 20 carbon atoms, and “n” is an integer from 0 to 3, the method being characterized by carrying out a reaction between a basic compound and an organic silicon compound of the following general formula:
wherein, R 1 , R 2 , R 3 , and “n” are the same as defined above.