This invention provides heterocyclic compounds that bind to E3 Ubiquitin Ligase (typically through cereblon) (“Degrons”), which can be used as is or linked to a Targeting Ligand for a selected Target Protein for therapeutic purposes and methods of use and compositions thereof as well as methods for their preparation.

This invention provides heterocyclic compounds that bind to E3 Ubiquitin Ligase (typically through cereblon) (“Degrons”), which can be used as is or linked to a Targeting Ligand for a selected Target Protein for therapeutic purposes and methods of use and compositions thereof as well as methods for their preparation.

A compound of formula (I):

##STR00001##

wherein Z, Y.sub.1, Y.sub.2,

##STR00002##

R.sub.1 to R.sub.7 are as defined in the description, its optical isomers, and addition salts thereof with a pharmaceutically acceptable base.

Medicaments.

The present invention relates to arylthiazine compounds, metabolites, N-oxides, amides, esters, pharmaceutically acceptable salts, hydrates and solvates thereof and their use as cytoprotectants in the treatment or prophylaxis of diseases or states, either acute or chronic, involving aberrant cellular lipid peroxidation in the central nervous system or in the periphery of the body. The present invention also relates to a method for their preparation and to pharmaceutical composition comprising as an active ingredient one or more of the aforementioned compounds.

The present invention relates to arylthiazine compounds, metabolites, N-oxides, amides, esters, pharmaceutically acceptable salts, hydrates and solvates thereof and their use as cytoprotectants in the treatment or prophylaxis of diseases or states, either acute or chronic, involving aberrant cellular lipid peroxidation in the central nervous system or in the periphery of the body. The present invention also relates to a method for their preparation and to pharmaceutical composition comprising as an active ingredient one or more of the aforementioned compounds.

The present invention comprises a new class of compounds useful for the modulation of Beta-secretase enzyme activity and for the treatment of Beta-secretase mediated diseases, including Alzheimer's disease (AD) and related conditions. In one embodiment, the compounds have a general Formula I wherein A.sup.1, A.sup.2, A.sup.3, A.sup.3, A.sup.4, A.sup.5, A.sup.6, L, R.sup.2, R.sup.7, X, Y and Z of Formula I are defined herein. The invention also includes use of these compounds in pharmaceutical compositions for treatment, prophylactic or therapeutic, of disorders and conditions related to the activity of beta-secretase protein. Such disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairment, schizophrenia and other central nervous system conditions related to and/or caused by the formation and/or deposition of plaque on the brain. The invention also comprises further embodiments of Formula I, intermediates and processes useful for the preparation of compounds of Formula I. ##STR00001##

In its many embodiments, the present invention provides certain C5-spiro iminothiadiazine dioxide compounds, including compounds Formula (I): or a tautomers and/or stereoisomers thereof, and pharmaceutically acceptable salts of said compounds, said tautomers and said stereoisomers, wherein R.sup.L, X, Y, R.sup.1A, R.sup.1B, R2, R3, m, and RA are as defined herein. The novel compounds of the invention are useful as BACE inhibitors and/or for the treatment and prevention of various pathologies related thereto. Pharmaceutical compositions comprising one or more such compounds (alone and in combination with one or more other active agents), and methods for their preparation and use, including for the possible treatment of Alzheimer's disease, are also disclosed. ##STR00001##

In its many embodiments, the present invention provides certain C5-spiro iminothiadiazine dioxide compounds, including compounds Formula (I): or a tautomers and/or stereoisomers thereof, and pharmaceutically acceptable salts of said compounds, said tautomers and said stereoisomers, wherein R.sup.L, X, Y, R.sup.1A, R.sup.1B, R2, R3, m, and RA are as defined herein. The novel compounds of the invention are useful as BACE inhibitors and/or for the treatment and prevention of various pathologies related thereto. Pharmaceutical compositions comprising one or more such compounds (alone and in combination with one or more other active agents), and methods for their preparation and use, including for the possible treatment of Alzheimer's disease, are also disclosed. ##STR00001##

In its many embodiments, the present invention provides certain C5-spiro iminothiadiazine dioxide compounds, including compounds Formula (I): or a tautomers and/or stereoisomers thereof, and pharmaceutically acceptable salts of said compounds, said tautomers and said stereoisomers, wherein R.sup.L, X, Y, R.sup.1A, R.sup.1B, R2, R3, m, and RA are as defined herein. The novel compounds of the invention are useful as BACE inhibitors and/or for the treatment and prevention of various pathologies related thereto. Pharmaceutical compositions comprising one or more such compounds (alone and in combination with one or more other active agents), and methods for their preparation and use, including for the possible treatment of Alzheimer's disease, are also disclosed. ##STR00001##

The present invention provides compounds of formula (I): compositions comprising such compounds; the use of such compounds in therapy (for example in the treatment or prevention of a disease, disorder or condition ameliorated by inhibition of a dopamine transporter); and methods of treating patients with such compounds; wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.9, R.sup.10, Q, X, Y, Z, A, L, B, m, n and p are as defined herein.

##STR00001##