| 主权项 |
1. An organosilicon compound of formula (1): wherein R1 to R4 are each independently selected from the group consisting of hydrogen, substituted or unsubstituted monovalent hydrocarbon groups which may be separated by at least one bond selected from ether, thioether, carbonyl, and thiocarbonyl bonds, and organic groups of formulae (3) to (5), and at least one of R1 to R4 is any one of organic groups of formulae (3) to (5): wherein R5 is a substituted or unsubstituted divalent hydrocarbon group which may be separated by at least one bond selected from ether, thioether, carbonyl, thiocarbonyl, amino, urethane, and urea bonds, R6 is an alkyl group of 1 to 10 carbon atoms or aryl group of 6 to 10 carbon atoms, R7 is an alkyl group of 1 to 20 carbon atoms, alkenyl group of 2 to 10 carbon atoms, aryl group of 6 to 10 carbon atoms or acyl group of 1 to 20 carbon atoms, n is an integer of 1 to 3, and the wavy line designates a bonding site to the benzene ring. |
