Abstract: The present invention concerns the compounds having the formula N-oxides, salts, stereoisomeric forms, racemic mixtures, prodrugs, esters and metabolites thereof, wherein R1 and R8 each are H, optionally substituted C1-6alkyl, C2-6alkenyl, C3-7cycloalkyl, aryl, Het1, Het2; R1 may also be a radical of formula (R11aR11b)NC(R10aR10b)CR9—; t is 0, 1 or 2; R2 is H or C1-6alkyl; L is —C(?O)—, —O—C(?O)—, —NR8—C(?O)—, —O—C1-6alkanediyl-C(?O)—, —NR8—C1-6alkanediyl-C(?O)—, —S(?O)2—, —O—S(?O)2—, —NR8—S(?O)2; R3 is C1-6alkyl, aryl, C3-7cycloalkyl, C3-7cycloalkylC1-4alkyl, or arylC1-4alkyl; R4 is H, C1-4alkylOC(?O), carboxyl, aminoC(?O), mono- or di(C1-4alkyl)aminoC(?O), C3-7cycloalkyl, C2-6alkenyl, C2-6alkynyl or optionally substituted C1-6alkyl; A is C1-6alkanediyl, —C(?O)—, —C(?S)—, —S(?O)2—, C1-6alkanediyl-C(?O)—, C1-6alkanediyl-C(?S)— or C1-6alkanediyl-S(?O)2—; R5 is H, OH, C1-6alkyl, Het1C1-6alkyl, Het2C1-6alkyl, optionally substituted aminoC1-6alkyl; R6 is C1-6alkylO, Het1, Het1O, Het2, Het2O, aryl, arylO, C1-6

Abstract: This present invention relates to prodrug compounds of the formula (Y) and pharmaceutical salts thereof: where RN, R1, R2, R3R4 and RC are defined herein, which are useful in treating Alzheimer's disease and other similar diseases.

Abstract: Selected bis-amino acid hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. The present invention relates to such retroviral protease inhibitors and, more particularly, relates to selected novel compounds, compositions, and methods for inhibiting retroviral proteases, such as human immunodeficiency virus (HIV) protease, prophylactically preventing retroviral infection or the spread of a retrovirus, and treatment of a retroviral infection.

Abstract: N-heterocyclic moiety containing hydroxyethylamino compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease.

Abstract: ?- and ?-amino acid hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease.

Abstract: Selected bis-amino acid hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. The present invention relates to such retroviral protease inhibitors and, more particularly, relates to selected novel compounds, compositions, and methods for inhibiting retroviral proteases, such as human inmmunodeficiency virus (HIV) protease, prophylactically preventing retroviral infection or the spread of a retrovirus, and treatment of a retroviral infection.

Abstract: The present invention relates to cyclic sulfone moiety-containing hydroxyethylamine protease inhibitor compounds and pharmaceutical or method of use therefor, particularly as an inhibitor of HIV protease.

Abstract: Selected heterocyclecarbonyl amino acid hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. The present invention relates to such retroviral protease inhibitors and, more particularly, relates to selected novel compounds, compositions, and methods for inhibiting retroviral proteases, such as human immunodeficiency virus (HIV) protease, prophylactically preventing retroviral infection or the spread of a retrovirus, and treatment of a retroviral infection.

Abstract: ?- and ?-amino acid hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as-inhibitors of HIV protease.

Abstract: Selected sulfonylalkanoylamino hydroxyethylamine sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. The present invention relates to such retroviral protease inhibitors and, more particularly, relates to selected novel compounds, composition and method for inhibiting retroviral proteases, such as human immunodeficiency virus (HIV) protease, prophylactically preventing retroviral infection or the spread of a retrovirus, and treatment of a retroviral infection.

Abstract: Bis-sulfonamido hydroxyethylamino compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. The present invention relates to retroviral protease inhibiting compounds of the formula: or a pharmaceutically acceptable salt, prodrug or ester thereof, wherein the variables are as defined herein.

Abstract: Selected amino acid hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. The present invention relates to such retroviral protease inhibitors and, more particularly, relates to selected novel compounds, composition and method for inhibiting retroviral proteases, such as human immunodeficiency virus (HIV) protease, prophylactically preventing retroviral infection or the spread of a retrovirus, and treatment of a retroviral infection.

Abstract: N-heterocyclic moiety containing hydroxyethylamine compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease.

Abstract: This invention relates to prodrugs of a class of amine compounds which are useful in the treatment of Alzheimer's disease and similar diseases.

Abstract: ?- and ?-amino acid hydroxyethylamino sulfonyl urea derivative compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease.

Abstract: Succinoylamino hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease.

Abstract: A treatment process is disclosed that comprises administering an effective amount of an aromatic sulfone hydroxamic acid that exhibits excellent inhibitory activity of one or more matrix metalloprotease (MMP) enzymes, such as MMP-2, MMP-9, and MMP-13, while exhibiting substantially less inhibition at least of MMP-1 to a host having a condition associated with pathological matrix metalloprotease activity. The administered enzyme inhibitor corresponds in structure to formula (I), below, or a pharmaceutically acceptable salt thereof, wherein R1 and R2 are both hydrido or R1 and R2 together with the atoms to which they are bonded form a 5- to 8-membered ring containing one, two, or three heteroatoms in the ring that are oxygen, sulfur, or nitrogen. R3 in formula (I) is an optionally substituted aryl or optionally substituted heteroaryl radical.

Abstract: HIV protease inhibitors are disclosed which are characterized as having both hydroxyethylamine and N-heterocyclic moieties.

Abstract: Succinoylamino hydroxyethylamino sulfonyl urea derivatives of the formula: wherein R1-R6, R7, R7?, R8, R30-R34, X?, Y, Y?, t, x, and n are as defined herein, are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease.

Abstract: Certain Alpha- and Beta-amino acid hydroxyethylamino sulfamic acid derivatives represented by the following formula are useful as retroviral protease inhibitors: