Patent ID: 6344247
Filing Date: 2002-02-05
Classification: C07C,C09K

Abstract:
The terphenyl derivative represented by formula (1): wherein R represents a straight or branched alkyl group of 1-10 carbon atoms, and any methylene groups (â€”CH2â€”) not adjacent each other in each alkyl group may be replaced by oxygen atoms; X represents a halogen atom, â€”OCF3, â€”OCF2H, â€”CF3, â€”CF2H or CFH2; Y1, Y2, Y3, Y4, Y5, and Y6 independently represents H or F, but at least two of Y1, Y2, Y3 and Y4 represent F and one of Y5 and Y6 represents F and the other represents H;provided that a) when Y1&boxH;Y2&boxH;F and Y3&boxH;Y4&boxH;H, then X is not F, â€”CF3 or CF2H, b) when Y1&boxH;Y3&boxH;F and Y2&boxH;Y4&boxH;H, then X is not â€”CF3, c) when Y3&boxH;Y4&boxH;F and Y1&boxH;Y2&boxH;H, then X is not F, d) when Y1&boxH;Y2&boxH;Y3&boxH;F and Y4&boxH;H, then X is not Cl, however, when Y1&boxH;Y2&boxH;F and Y3&boxH;Y4&boxH;H, when Y1&boxH;Y3&boxH;F and Y2&boxH;Y4&boxH;H, or when Y3&boxH;Y4&boxH;F and Y1&boxH;Y2&boxH;H, then X is not Cl.