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: 6596890
Abstract: Organometallic aluminum compounds of the general formula (I)
where
X1 is NH, NH2*, NH—A*, N—A, N(A)2*, O, OA*, O-Aryl*, S, SA*, P, P(A)2* or a single bond,
X2 is NH, N—A, O, S, PA or X1 coordinated to Al(R1)3, or a single bond,
R1 is H; Hal if n=0; A which may be covalently bound to Al; Si(A)3 if X1=O,
R2 is A or divalent aryl groups defined note particularly below or divalent unsaturated aliphatic groups defined more particularly below,
R3 and R4 are, independently of one another, a bond or R2 or Si(A)3 or Si(A)2,
Z1 is a bond or H bound to R2,
Z2 is a bond or H bound to R2 or R3,
A is branched or unbranched C1-C7-alkyl, C1-C7-alkylidene or C1-C7-alkenylidene,
Aryl is phenyl, naphthyl,
Hal is F, Cl,
and, independently of one another,
n, m, p and l are 0 or 1 and q is 1 or 2, where &Sgr;l+m+n≧3.
Type:
Grant
Filed:
November 25, 1998
Date of Patent:
July 22, 2003
Assignee:
Merck Patent Gesellschaft
Inventors:
Eike Poetsch, Ludwig Pohl, Karin Weiss, Eva Maria Auth, Thomas Metzner, Herbert Schumann, Corinna Wassermann, Michael Frick, Bernd Heymer, Stefan Schutte, Ulf Dümichen, Elmar Hecht
