Search Results - "Johansen, T N"
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Resolution, absolute stereochemistry and molecular pharmacology of the enantiomers of ATPA
Published in European journal of pharmacology (10-09-1999)“…( RS)-2-Amino-3-(5- tert-butyl-3-hydroxy-4-isoxazolyl)propionic acid (ATPA), an analogue of ( RS)-2-amino-3-(3-hydroxy-5-methyl-4-isoxazolyl)propionic acid…”
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(S)-Homo-AMPA, a Specific Agonist at the mGlu6 Subtype of Metabotropic Glutamic Acid Receptors
Published in Journal of medicinal chemistry (24-10-1997)“…Our previous publication (J. Med. Chem. 1996, 39, 3188−3194) described (RS)-2-amino-4-(3-hydroxy-5-methylisoxazol-4-yl)butyric acid (Homo-AMPA) as a highly…”
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3
Synthesis and Pharmacology of the Baclofen Homologues 5-Amino-4-(4-chlorophenyl)pentanoic Acid and the R- and S-Enantiomers of 5-Amino-3-(4-chlorophenyl)pentanoic Acid
Published in Journal of medicinal chemistry (03-06-1999)“…(RS)-5-Amino-4-(4-chlorophenyl)pentanoic acid (10) and the R-form (11) and S-form (12) of (RS)-5-amino-3-(4-chlorophenyl)pentanoic acid, which are homologues…”
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4
Heteroaryl Analogues of AMPA. 2. Synthesis, Absolute Stereochemistry, Photochemistry, and Structure−Activity Relationships
Published in Journal of medicinal chemistry (02-07-1998)“…We have previously shown that (S)-2-amino-3-(3-hydroxy-5-phenyl-4-isoxazolyl)propionic acid [(S)-APPA, 2] is a weak agonist at…”
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5
Synthesis and Pharmacology of 3-Isoxazolol Amino Acids as Selective Antagonists at Group I Metabotropic Glutamic Acid Receptors
Published in Journal of medicinal chemistry (29-03-2001)“…Using ibotenic acid (2) as a lead, two series of 3-isoxazolol amino acid ligands for (S)-glutamic acid (Glu, 1) receptors have been developed. Whereas…”
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6
Structural basis for 2-amino-3-(3-hydroxy-5-methyl-4-isoxazolyl)propionic acid (AMPA) receptor activation
Published in Pure and applied chemistry (01-01-2004)“…)-Glutamic acid (Glu), the major excitatory neurotransmitter in the central nervous system, operates through ionotropic as well as metabotropic receptors and…”
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Excitatory Amino Acid Receptor Ligands: Resolution, Absolute Stereochemistry, and Enantiopharmacology of 2-Amino-3-(4-butyl-3-hydroxyisoxazol-5-yl)propionic Acid
Published in Journal of medicinal chemistry (12-03-1998)“…(RS)-2-Amino-3-(4-butyl-3-hydroxyisoxazol-5-yl)propionic acid (Bu-HIBO, 6) has previously been shown to be an agonist at…”
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Molecular pharmacology of 4-substituted glutamic acid analogues at ionotropic and metabotropic excitatory amino acid receptors
Published in European journal of pharmacology (24-09-1997)“…The pharmacology of (2 S,4 R)-4-methylglutamic acid, (2 S,4 S)-4-methylglutamic acid and ( S)- and ( R)-4-methyleneglutamic acids (obtained in high chemical…”
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10
N-Methyl-d-aspartic Acid Receptor Agonists: Resolution, Absolute Stereochemistry, and Pharmacology of the Enantiomers of 2-Amino-2-(3-hydroxy-5-methyl-4-isoxazolyl)acetic Acid
Published in Journal of medicinal chemistry (05-01-1996)“…(R,S)-2-Amino-2-(3-hydroxy-5-methyl-4-isoxazolyl)acetic acid [(R,S)-AMAA, 4] is a potent and selective agonist at the N-methyl-d-aspartic acid (NMDA) subtype…”
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11
Stereochemistry and molecular pharmacology of ( S)-thio-ATPA, a new potent and selective GluR5 agonist
Published in European journal of pharmacology (12-01-2001)“…( RS)-2-Amino-3-(5- tert-butyl-3-hydroxy-4-isothiazolyl)propionic acid (thio-ATPA), a 3-isothiazolol analogue of ( RS)-2-amino-3-(5-…”
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12
Excitatory amino acid receptor ligands: Asymmetric synthesis, absolute stereochemistry and pharmacology of ( R)- and ( S)-homoibotenic acid
Published in Bioorganic & medicinal chemistry (01-05-1995)“…The ( R)- and ( S)-forms of 2-amino-3-(3-hydroxyisoxazol-5-yl)propionic acid (homoibotenic acid, HIBO) were synthesized, using ( S)-BOC-phenylalanine as a…”
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13
NMDA receptor agonists derived from ibotenic acid. Preparation, neuroexcitation and neurotoxicity
Published in European journal of pharmacology (15-12-1990)“…The two heterocyclic aspartic acid and glutamic acid analogues derived from ibotenic acid, (RS)-2-amino-2-(3-hydroxy-5-methylisoxazol-4-yl)acetic acid (AMAA)…”
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14
Synthesis of tritiated (RS)-2-amino-2-(3-hydroxy-5-methylisoxazol-4-yl)acetic acid (AMAA), a potent and selective NMDA agonist
Published in Journal of labelled compounds & radiopharmaceuticals (01-10-1996)“…(RS)‐2‐Amino‐2‐(3‐hydroxy‐5‐methylisoxazol‐4‐yl)acetic acid (AMAA) is a potent and selective agonist at the NMDA subgroup of excitatory amino acid receptors…”
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15
Stereostructure-activity studies on agonists at the AMPA and kainate subtypes of ionotropic glutamate receptors
Published in Chirality (New York, N.Y.) (2003)“…(S)‐Glutamic acid (Glu), the major excitatory neurotransmitter in the central nervous system, operates through ionotropic as well as metabotropic receptors and…”
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16
Synthesis and receptor binding affinity of new selective GluR5 ligands
Published in Bioorganic & medicinal chemistry (01-04-2001)“…Two hybrid analogues of the kainic acid receptor agonists, 2-amino-3-(5-tert-butyl-3-hydroxy-4-isoxazolyl)propionic acid (ATPA) and (2S,4R)-4-methylglutamic…”
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A new structural class of subtype-selective inhibitor of cloned excitatory amino acid transporter, EAAT2
Published in European journal of pharmacology (06-10-2000)“…We have studied the pharmacological effects of ( RS)-2-amino-3-(3-hydroxy-5-methylisoxazol-4-yl)propionic acid (AMPA) and the enantiomers of (…”
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18
3-Pyrazolone analogues of the 3-isoxazolol metabotropic excitatory amino acid receptor agonist homo-AMPA. Synthesis and pharmacological testing
Published in European journal of medicinal chemistry (01-11-1999)“…We have previously shown that the higher homologue of ( S)-glutamic acid [( S)-Glu], ( S)-α-aminoadipic acid [( S)-α-AA] is selectively recognized by the mGlu…”
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19
Resolution, configurational assignment, and enantiopharmacology of 2-amino-3-[3-hydroxy-5-(2-methyl-2H-tetrazol-5-yl)isoxazol-4-yl]propionic acid, a potent GluR3- and GluR4-preferring AMPA receptor agonist
Published in Chirality (New York, N.Y.) (2000)“…We have previously shown that (RS)‐2‐amino‐3‐[3‐hydroxy‐5‐(2‐methyl‐2H‐tetrazol‐5‐yl)isoxazol‐4‐yl]propionic acid (2‐Me‐Tet‐AMPA) is a selective agonist at…”
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Resolution, absolute stereochemistry, and enantiopharmacology of the GluR1-4 and GluR5 antagonist 2-amino-3-[5-tert-butyl-3-(phosphonomethoxy)-4-isoxazolyl]propionic acid
Published in Chirality (New York, N.Y.) (1999)“…The phosphono amino acid, (RS)‐2‐amino‐3‐[5‐tert‐butyl‐3‐(phosphonomethoxy)‐4‐isoxazolyl]propionic acid (ATPO), is a structural hybrid between the NMDA…”
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