Patent number: 6677002
Abstract: Novel phenylcyclohexanes of the formula I:
in which n is 0 to 7, Q1 and Q2 are H, or one of these radicals is alternatively CH3, r is 0, 1, 2, 3, 4 or 5, A is trans-1,4-cyclohexylene, 1,4-phenylene, 3-fluoro-1,4-phenylene or a single bond, X is F, Cl, —CF3, —CN, —OCF3 or —OCHF2, and Y and Z are each, independently of one another, H or F, with the proviso that, in the case where A is a single bond, Q1═Q2═H and simultaneously X═CN, Y and/or Z are F.
Type:
Grant
Filed:
February 8, 2001
Date of Patent:
January 13, 2004
Assignee:
Merck Patent Gesellschaft mit Beschrankter Haftung
Inventors:
Andreas Wächtler, Reinhard Hittich, Eike Poetsch, Herbert Plach, David Coates, Bernhard Rieger, Joachim Krause
Patent number: 6284154
Abstract: Novel phenylcyclohexanes of the formula I
in which n is 0 to 7, Q1 and Q2 are H, or one of these radicals is alternatively CH3, r is 0, 1, 2, 3, 4 or 5, A is trans-1,4-cyclohexylene, 1,4-phenylene, 3-fluoro-1,4-phenylene or a single bond, X is F, Cl, —CF3, —CN, —OCF3 or —OCHF2, and Y and Z are each, independently of one another, H or F, with the proviso that, in the case where A is a single bond, Q1═Q2═H and simultaneously X═CN, Y and/or Z are F.
Type:
Grant
Filed:
June 7, 1995
Date of Patent:
September 4, 2001
Assignee:
Merck Patent Gesellschaft mit Beschrankter Haftung
Inventors:
Andreas Wächtler, Reinhard Hittich, Eike Poetsch, Herbert Plach, David Coates, Bernhard Rieger, Joachim Krause