LY-344,545

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LY-344,545


Clinical data
Legal status	?
Identifiers

ATC code	?
Chemical data
Formula	C₂₀H₁₉N O₅
Mol. mass	353.37 g/mol
Y (what is this?) (verify)

LY-344,545 is a research drug developed by the pharmaceutical company Eli Lilly, which acts as an antagonist for the metabotropic glutamate receptor subtype mGluR₅. It is an epimer of another metabotropic glutamate receptor antagonist, the mGluR_2/3-selective LY-341,495.^[1]^[2]

References

↑ Ornstein PL, Bleisch TJ, Arnold MB, Kennedy JH, Wright RA, Johnson BG, Tizzano JP, Helton DR, Kallman MJ, Schoepp DD, Hérin M. 2-substituted (2SR)-2-amino-2-((1SR,2SR)-2-carboxycycloprop-1-yl)glycines as potent and selective antagonists of group II metabotropic glutamate receptors. 2. Effects of aromatic substitution, pharmacological characterization, and bioavailability. Journal of Medicinal Chemistry. 1998 Jan 29;41(3):358-78. PMID 9464367
↑ Doherty AJ, Palmer MJ, Bortolotto ZA, Hargreaves A, Kingston AE, Ornstein PL, Schoepp DD, Lodge D, Collingridge GL. A novel, competitive mGlu(5) receptor antagonist (LY344545) blocks DHPG-induced potentiation of NMDA responses but not the induction of LTP in rat hippocampal slices. British Journal of Pharmacology. 2000 Sep;131(2):239-44. PMID 10991916

Glutamatergics

Ionotropic

AMPA	Agonists: 5-Fluorowillardiine AMPA Domoic acid Quisqualic acid; Positive allosteric modulators: Aniracetam Cyclothiazide CX-516 CX-546 CX-614 CX-691 CX-717 Diazoxide HCTZ IDRA-21 LY-392,098 LY-404,187 LY-451,395 LY-451,646 LY-503,430 Org 26576 Oxiracetam PEPA Piracetam Pramiracetam S-18986 Sunifiram Unifiram Antagonists: ATPO Barbiturates BGG492 Caroverine CNQX DNQX GYKI-52466 NBQX Perampanel Talampanel Tezampanel Topiramate; Negative allosteric modulators: GYKI-53,655

NMDA	Agonists: Glutamate/acite site competitive agonists: Aspartate Glutamate Homoquinolinic acid Ibotenic acid NMDA Quinolinic acid Tetrazolylglycine; Glycine site agonists: ACBD ACPC ACPD Alanine CCG Cycloserine DHPG Fluoroalanine Glycine GLYX-13 HA-966 L-687,414 Milacemide Sarcosine Serine Tetrazolylglycine; Polyamine site agonists: Acamprosate Spermidine Spermine Antagonists: Competitive antagonists: AP5 (APV) AP7 CGP-37849 CGP-39551 CGP-39653 CGP-40116 CGS-19755 CPP LY-233,053 LY-235,959 LY-274,614 MDL-100,453 Midafotel (d-CPPene) NPC-12,626 NPC-17,742 PBPD PEAQX Perzinfotel PPDA SDZ-220581 Selfotel; Noncompetitive antagonists: ARR-15,896 Caroverine Dexanabinol FPL-12495 FR-115,427 Hodgkinsine Magnesium MDL-27,266 NPS-1506 Psychotridine Zinc; Uncompetitive pore blockers: 2-MDP 3-MeO-PCP 8A-PDHQ Alaproclate Amantadine Aptiganel ARL-12,495 ARL-15,896-AR ARL-16,247 Budipine Delucemine Dexoxadrol Dextrallorphan Dieticyclidine Dizocilpine Endopsychosin Esketamine Etoxadrol Eticyclidine Gacyclidine Ibogaine Indantadol Ketamine Ketobemidone Lanicemine Loperamide Memantine Meperidine (Pethidine) Methadone (Levomethadone) Methorphan (Dextromethorphan Levomethorphan) Methoxetamine Milnacipran Morphanol (Dextrorphan Levorphanol) NEFA Neramexane Nitromemantine Nitrous oxide Noribogaine Orphenadrine PCPr Phencyclamine Phencyclidine Propoxyphene Remacemide Rhynchophylline Riluzole Rimantadine Rolicyclidine Sabeluzole Tenocyclidine Tiletamine Tramadol Xenon; Glycine site antagonists: ACEA-1021 ACEA-1328 ACC Carisoprodol CGP-39653 CKA DCKA Felbamate Gavestinel GV-196,771 Kynurenic acid L-689,560 L-701,324 Lacosamide Licostinel LU-73,068 MDL-105,519 Meprobamate MRZ 2/576 PNQX ZD-9379; NR2B subunit antagonists: Besonprodil CO-101,244 (PD-174,494) CP-101,606 Eliprodil Haloperidol Ifenprodil Isoxsuprine Nylidrin Ro8-4304 Ro25-6981 Traxoprodil; Polyamine site antagonists: Arcaine Co 101676 Diaminopropane Acamprosate Diethylenetriamine Huperzine A Putrescine Ro 25-6981; Unclassified/unsorted antagonists: Chloroform Diethyl ether Diphenidine Enflurane Ethanol (alcohol) Halothane Isoflurane Methoxyflurane Toluene Trichloroethane Trichloroethanol Trichloroethylene Xylene

Kainate	Agonists: 5-Iodowillardiine ATPA Domoic acid Kainic acid LY-339,434 SYM-2081 Antagonists: BGG492 CNQX DNQX LY-382,884 NBQX NS102 Tezampanel Topiramate UBP-302; Negative allosteric modulators: NS-3763

Metabotropic

Group I	Agonists: Non-selective: ACPD DHPG Quisqualic acid; mGlu1-selective: Ro01-6128 Ro67-4853 Ro67-7476 VU-71; mGlu5-selective: ADX-47273 CDPPB CHPG DFB VU-1545 Antagonists: Non-selective: MCPG NPS-2390; mGlu1-selective: BAY 36-7620 CPCCOEt LY-367,385 LY-456,236; mGlu5-selective: CTEP Dipraglurant DMeOB LY-344,545 SIB-1757 SIB-1893; Negative allosteric modulators: Fenobam MPEP MTEP GRN-529

Group II	Agonists: Non-selective: CBiPES DCG-IV Eglumegad LY-379,268 LY-404,039 LY-487,379 MGS-0028; mGlu2-selective: BINA LY-566,332 Antagonists: Non-selective: APICA EGLU HYDIA LY-307,452 LY-341,495 MCPG MGS-0039; mGlu2-selective: PCCG-4 mGlu3-selective: CECXG; Negative allosteric modulators: RO4491533

Group III	Agonists: Non-selective: L-AP4; mGlu4-selective: PHCCC VU-001,171 VU-0155,041; mGlu7-selective: AMN082; mGlu8-selective: DCPG Antagonists: Non-selective: CPPG MAP4 MSOP MPPG MTPG UBP-1112; mGlu7-selective: MMPIP

Transporter
inhibitors

EAATs	DHKA PDC WAY-213,613

vGluTs	7-CKA Evans blue

Others

Precursors	L-Glutamine

Cofactors	α-Ketoglutaric acid Iron Sulfur Vitamin B2 (as FAD and FMN) Vitamin B3 (as NADPH)

Others	L-Theanine

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