The present invention relates to compounds of the formula ##STR1##wherein R is as defined herewithin. The compounds of formula I have a good affinity to the A.sub.2A receptor and therefore they may be used in the control or prevention of illnesses based on the modulation of the adenosine system, such as Alzheimer's disease, Parkinson's disease, Huntington's disease, neuroprotection, schizophrenia, anxiety, pain, respiration deficits, depression, drug addiction, such as amphetamine, cocaine, opioids, ethanol, nicotine, cannabinoids, or against asthma, allergic responses, hypoxia, ischaemia, seizure and substance abuse. Furthermore, compounds of the present invention may be useful as sedatives, muscle relaxants, antipsychotics, antiepileptics, aniticonvulsants and cardiaprotective agents for disorders such as coronary artery disease and heart failure.

Hoffman-La Roche Inc.

Pyridone substituted benzothiazole derivatives

The present invention relates to compounds of the general formula ##STR00001## wherein R.sup.1 is cycloalkyl, substituted by OR or is 2-(7-oxa-bicyclo[2.2.1]hept-1-yl)-ethyl; R is hydrogen, lower alkyl or C(O)-lower alkyl; X is --CHR'--; and R' is hydrogen or lower alkyl; and pharmaceutically acceptable acid addition salts, optically pure enantiomeres, racemates or diastereomeric mixtures thereof for the treatment of Alzheimer's disease, Parkinson's disease, Huntington's disease, neuroprotection, schizophrenia, anxiety, pain, respiration deficits, depression, ADHD, drug addiction, such as amphetamine, cocaine, opioids, ethanol, nicotine, cannabinoids, or for the treatment of asthma, allergic responses, hypoxia, ischaemia, seizure and substance abuse, or for use as sedatives, muscle relaxants, antipsychotics, antiepileptics, anticonvulsants and cardiaprotective agents for coronary artery disease and heart failure.

Hoffmann-La Roche Inc.

Benzathiazol-acetamides

The present invention relates to compounds of formulae IA and IB ##STR00001## wherein R.sup.1 and R.sup.2 are each independently lower alkyl or --(CH.sub.2).sub.m--O-lower alkyl, or together with the N atom to which they are attached form a heterocyclic ring; R.sup.3 is hydrogen or lower alkyl; R.sup.4 is lower alkyl; hetaryl is 3H-imidazole-2,4-diyl or 1H-pyrazole-1,4-diyl; n is 1 or 2; and m is 1 or 2; and to pharmaceutically acceptable acid addition salts thereof. These compounds may be used for the treatment of Alzheimer's disease, Parkinson's disease, Huntington's disease, neuroprotection, schizophrenia, anxiety, pain, respiration deficits, depression, ADHD, drug addiction, such as amphetamine, cocaine, opioids, ethanol, nicotine, cannabinoids, or for the treatment of asthma, allergic responses, hypoxia, ischaemia, seizure and substance abuse, or for use as sedatives, muscle relaxants, antipsychotics, antiepileptics, anticonvulsants and cardiaprotective agents for coronary artery disease and heart failure.

coronary artery disease/nikotin

Pyridone substituted benzothiazole derivatives

Benzathiazol-acetamides

Benzothiazole derivatives

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