Abstract: Novel aryl and heteroaryl sulfonamides are disclosed. The sulfonamides, which are gamma secretase inhibitors, are represented by the formula: wherein Ar1 and Ar2 independently represent aryl or heteroaryl and Y represents a bond or a —(C(R3)2)1-3 group. Also disclosed is a method of inhibiting gamma secretase, and a method of treating Alzheimer's disease using the compounds of formula I.

Abstract: Gamma-secretase inhibitors of the formula: are useful in treating various neurodegenerative diseases, wherein, for example: R1 includes unsubstituted or substituted aryl or heteroaryl groups; R2 includes —C(O)—Y, -alkylene-C(O)—Y, -alkylene-cycloalkylene-C(O)—Y, -cycloalkylene-alkylene-C(O)—Y, -alkylene-cycloalkylene-alkylene-C(O)—Y, -cycloalkylene-C(O)—Y, —S(O)—Y, -alkylene-S(O)—Y, -alkylene-cycloalkylene-S(O)—Y, -cycloalkylene-alkylene-S(O)—Y, -alkylene-cycloalkylene-alkylene-S(O)—Y, -cycloalkylene-S(O)—Y, —S(O2)—Y, -alkylene-S(O2)—Y, -alkylene-cycloalkylene-S(O2)—Y, -cycloalkylene-alkylene-S(O2)—Y, -alkylene-cycloalkylene-alkylene-S(O2)—Y, and -cycloalkylene-S(O2)—Y, wherein Y is as defined herein, and each of said alkylene or cycloalkylene may be unsubstituted or substituted as provided herein; each R3 is independently includes H, alkyl, —O-alkyl, —OH, —N(R9)2, acyl, and aroyl; or the moiety (R3)2, together with the ring carbon atom to which it is shown attached in formula I, defines a carbonyl

Abstract: A polycyclic guanine phosphodiesterase V inhibitor having the formula (I.1) or (II.

Abstract: A compound having the formula (Ia) or (b), salt or solvate thereof, with the variables as defined herein, which can inhibit selectively phosphodiesterase V and can be useful for treating sexual dysfunction and other physiological disorders, symptoms and diseases:

Abstract: A compound having the formula (Ia) or (b), salt or solvate thereof, with the variables as defined herein, which can inhibit selectively phosphodiesterase V and can be useful for treating sexual dysfunction and other physiological disorders, symptoms and diseases:

Abstract: This invention discloses novel gamma secretase inhibitors of the formula: wherein: R1 is a substituted aryl or substituted heteroaryl group; R2 is an R1 group, alkyl, —XC(O)Y, alkylene-XC(O)Y, cycloalkylene-X—C(O)—Y, —CH—X—C(O)—NR3—Y or —CH—X—C(O)—Y, wherein X and Y are as defined herein; each R3 and each R3A are independently H, or alkyl; R11 is aryl, heteroaryl, alkyl, cycloalkyl, arylalkyl, arylcycloalkyl, heteroarylalkyl, heteroarylcycloalkyl, arylheterocycloalkyl, or alkoxyalkyl. Also disclosed is a method of treating Alzheimer's Disease using one or more compounds of the invention.

Abstract: This invention discloses novel gamma secretase inhibitors of the formula: 1

Abstract: This invention discloses novel gamma secretase inhibitors of the formula: 1

Abstract: Novel aryl and heteroaryl sulfonamides are disclosed.

Abstract: A compound having the formula (Ia) or (b), salt or solvate thereof, with the variables as defined herein, which can inhibit selectively phosphodiesterase V and can be useful for treating sexual dysfunction and other physiological disorders, symptoms and diseases: 1

Abstract: A polycyclic guanine phosphodiesterase V inhibitor having the formula (I.1) or (II.

Abstract: This invention discloses novel gamma secretase inhibitors of the formula: 1

Abstract: Di-N-substituted piperazine or 1,4 di-substituted piperadine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) wherein R, R1, R2, R3, R4, R21, R27, R28, X, Y, and Z are as defined herein are muscarinic antagonists useful for treating cognitive disorders such as Alzheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed. Also disclosed are synergistic combinations of compounds of the above formula or other compounds capable of enhancing acetylcholine release with acetylcholinesterase inhibitors.

Abstract: Di-N-substituted piperazine or 1,4 di-substituted piperadine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) 1

Abstract: Heterocyclic-substituted tricyclics of the formula or a pharmaceutically acceptable salt thereof, wherein: the single dotted line represents an optional double bond; the double dotted line represents an optional single bond; n is 0-2; Q is optionally substituted cycloalkyl, heterocycloalkyl, aryl or heteroaryl; Het is an optionally substituted mono-, bi- or tricyclic heteroaromatic group; B is —(CH2)n3—, wherein n3 is 0-5, —CH2—O—, —CH2S—, —CH2—NR6—, —C(O)NR6—, —NR6C(O)—,  optionally substituted alkenyl or optionally substituted alkynyl; X is —O— or —NR6— when the double dotted line represents a single bond, or X is —OH or —NHR20 when the bond is absent; Y is ═O, ═S, (H, H), (H, OH) or (H, C1-C6 alkoxy) when the double dotted line represents a single bond, or when the bond is absent, Y is ═O, (H, H), (H, OH), (H, SH) or (H, C1-C

Abstract: Di-N-substituted piperazine or 1,4 di-substituted piperadine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) wherein R, R1, R2, R3, R4, R21, R27, R28, X, Y, and Z are as defined herein are muscarinic antagonists useful for treating cognitive disorders such as Alheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed. Also disclosed are synergistic combinations of compounds of the above formula or other compounds capable of enhancing acetylcholine release with acetylcholinesterase inhibitors.

Abstract: Heterocyclic-substituted tricyclics of the formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein: the single dotted line represents an optional double bond;the double dotted line represents an optional single bond;n is 0-2;Q is optionally substituted cycloalkyl, heterocycloalkyl, aryl or heteroaryl;Het is an optionally substituted mono-, bi- or tricyclic heteroaromatic group;B is --(CH.sub.2).sub.n3 --, wherein n.sub.3 is 0-5, --CH.sub.2 --O--, --CH.sub.2 S--, --CH.sub.2 --NR.sup.6 --, --C(O)NR.sup.6 --. --NR.sup.6 C(O)--, ##STR2## optionally substituted alkenyl or optionally substituted alkynyl; X is --O-- or --NR.sup.6 -- when the double dotted line represents a single bond, or X is --OH or --NHR.sup.20 when the bond is absent;Y is .dbd.O, .dbd.S, (H, H), (H, OH) or (H, C.sub.1 -C.sub.6 alkoxy) when the double dotted line represents a single bond, or when the bond is absent, Y is .dbd.O, (H, H), (H, OH), (H, SH) or (H, C.sub.1 -C.sub.6 alkoxy);R.sup.

Abstract: Di-N-substituted piperazine or 1,4 di-substituted piperadine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) ##STR1## wherein R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.21, R.sup.27, R.sup.28, X, Y, and Z are as defined herein are muscarinic antagonists useful for treating cognitive disorders such as Alzheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed. Also disclosed are synergistic combinations of compounds of the above formula with acetylcholinesterase inhibitors.

Abstract: Di-N-substituted piperazine or 1,4 di-substituted piperadine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) ##STR1## wherein R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.21, R.sup.27, R.sup.28, X, Y, and Z are as defined herein are muscarinic antagonists useful for treating cognitive disorders such as Alzheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed. Also disclosed are synergistic combinations of compounds of the above formula or other compounds capable of enhancing acetylcholine release with acetylcholinesterase inhibitors.

Abstract: 1,4 Di-substituted piperidine muscarinic antagonists of formula I ##STR1## or a pharmaceutically acceptable salt, ester, or solvate thereof, wherein X is a bond, --O--, --SO.sub.0-2 --, --CO--, --C(OR.sup.7).sub.2 --, --CH.sub.2 --O--, --O--CH.sub.2 --, --CH.dbd.CH--, --CH.sub.2 --, --CH(C.sub.1 --C.sub.6 alkyl)--, --C(C.sub.1 --C.sub.6 alkyl).sub.2 --, --CONR.sup.17 --, --NR.sup.17 CO--, --SO.sub.2 NR.sup.17 -- or --NR.sup.17 SO.sub.2 --; R is C.sub.3 --C.sub.6 cycloalkyl, optionally substituted phenyl or optionally substituted pyridyl; R.sup.1 is H, --CN, --CF.sub.3, alkyl, cycloalkyl, cycloalkenyl, alkenyl, --COR.sup.15, --COO(alkyl, aryl, heteroaryl, alkylaryl or alkylheteroaryl), alkylaryl, alkylheteroaryl or --CON(R.sup.13).sub.2 ; R.sup.2 is cycloalkyl, cycloalkenyl, t-butoxycarbonyl or optionally substituted 4-piperidinyl; and R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.13, R.sup.15 and R.sup.