- THERAPEUTIC COMPOUNDS: PYRIDINE AS SCAFFOLD
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Compounds of formulas I, IA, and IB or IC or pharmaceutically acceptable salts thereof: wherein A, A1, A2, A3, A4, R2, R3, R4 and n are as defined in the specifications well as salts and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.
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Page/Page column 105
(2010/02/14)
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- PYRROLOPYRIDINE-2-CARBOXYLIC ACID AMIDE INHIBITORS OF GLYCOGEN PHOSHORYLASE
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Compounds represented by Formula (I): or pharmaceutically acceptable salts thereof, are inhibitors of glycogen phosphorylase and are useful in the prophylactic or therapeutic treatment of diabetes, hyperglycemia, hypercholesterolemia, hyperinsulinemia, hyperlipidemia, hypertension, atherosclerosis or tissue ischemia e.g. myocardial ischemia, and as cardioprotectants.
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- Dopamine Receptor Modulation by Pro-Leu-Gly-NH2 Analogues Possessing Cyclic Amino Acid Residues at the C-Terminal Position
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The synthesis of several analogues of L-prolyl-L-leucylglycinamide (PLG) was carried out in which the glycinamide residue was replaced with the following cyclic amino acid residues: L- and D-prolinamide, (+)- and (-)-thiazolidine-2-carboxamide, L- and D-3
- Johnson, Rodney L.,Rajakumar, G.,Mishra, Ram K.
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p. 2100 - 2104
(2007/10/02)
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- Tripeptides acting on the central nervous system and a process for the preparation thereof
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The invention relates to new peptide derivatives which act on the central nervous system and correspond to the general formula (I), wherein X is L-pyroglutamyl, D-pyroglutamyl, L-2-keto-imidazolidine-4-carbonyl, L-6-keto-pipecolyl, L-thiazolidine-4-carbonyl, L-prolyl or orotyl group, Y is L-leucyl, L-norvalyl or L-histidyl group, and W is L-prolyl, D-prolyl, L-thiazolidine-4-carbonyl, L-pipecolyl, L-homoprolyl, L-leucyl, L-isoleucyl, L-methionyl or D-pipecolyl group, or the W-NH2 group stands for pyrrolidyl or piperidyl group, with the proviso that if X is L-pyroglutamyl and Y is L-histidyl group, W is other than L-prolyl group, and pharmaceutically acceptable complexes thereof. These compounds are prepared by methods commonly applied in the peptide chemistry.
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- Tripeptides acting on the central nervous system and a process for the preparation thereof
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The invention relates to new peptide derivatives which act on the central nervous system and correspond to the general formula (I), wherein X is L-norleucyl, L-leucyl, L-norvalyl, D-leucyl, L-prolyl, L-2-aminobutyryl, L-valyl, L-threonyl, L-isoleu
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