Patent number: 6372745
Abstract: This invention provides compounds of formula I,
wherein
R is hydrogen or alkyl of 1-6 carbon atoms;
R′ is hydrogen, alkyl of 1-6 carbon atoms, acyl of 2-7 carbon atoms, or aroyl;
R1, R2, R3, and R4 are each, independently, hydrogen, alkyl of 1-6 carbon atoms, alkoxy of 1-6 carbon atoms, halogen, trifluoroalkyl, —CN, alkyl sulfonamide of 1-6 carbon atoms, alkyl amide of 1-6 carbon atoms, amino, alkylamino of 1-6 carbon atoms, dialkylamino of 1-6 carbon atoms per alkyl moiety, trifluoroalkoxy of 1-6 carbon atoms, acyl of 2-7 carbon atoms, or aroyl;
X is CR5R6 or a carbonyl group;
R5 and R6 are each, independently, hydrogen or alkyl of 1-6 carbon atoms;
or a pharmaceutically acceptable salt thereof, with the proviso that at least one of R1, R2, R3, or R4 are not hydrogen;
which are 5HT2C receptor agonists useful for the treatment of disorders involving the central nervous system such as obsessive-compulsive disorder, depression, anxiety, schizophrenia, migraine, sleep disorde
Type:
Grant
Filed:
December 6, 1999
Date of Patent:
April 16, 2002
Assignee:
American Home Products Corporation
Inventors:
Annmarie L. Sabb, Gregory S. Welmaker, James A. Nelson
Patent number: 6369056
Abstract: This invention provides compounds of the formula:
wherein: A, B and D are N or CH, with the proviso that A, B and D can not all be CH; R1 and R2 are independent substituents selected from H, CORA, NRBCORA, or optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, or groups; or R1 and R2 are fused to form an optionally substituted 3 to 8 membered spirocyclic or heterocyclic ring; RA is H or optionally substituted alkyl, aryl, alkoxy, or aminoalkyl; RB is H, C1 to C3 alkyl, or substituted C1 to C3 alkyl; R3 is H, OH, NH2, or optionally substituted alkyl, or alkenyl, or CORC; RC is H or optionally substituted alkyl, aryl, alkoxy, or aminoalkyl; R4 is a substituted benzene ring or a five or six membered ring with 1, 2, or 3 heteroatoms from the group including O, S, SO, SO2 or NR5; RF is H or optionally substituted alkyl, aryl, alkoxy, or aminoalkyl; RG is H, alkyl, or substituted alkyl; R5 is H or alkyl; Q is O, S, NR6, or CR7R8; R6 is CN, SO2CF3, or optionally substituted alkyl, cyc
Type:
Grant
Filed:
April 19, 2000
Date of Patent:
April 9, 2002
Assignees:
American Home Products Corporation, Ligand Pharmaceuticals, Inc.
Inventors:
Puwen Zhang, Arthur A. Santilli, Andrew Fensome, Eugene A. Terefenko, Andrew Q. Viet, Jay E. Wrobel, James P. Edwards, Todd K. Jones, Christopher M. Tegley, Lin Zhi