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Preparation of five-membered heterocyclic compounds as mGluR5 receptor antagonists.
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2004 (English)Patent (Other (popular science, discussion, etc.))
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Text
Abstract [en]

The present invention relates to five-membered heterocyclic compds. (shown as I; variables defined below; e.g. II), a process for their prepn. and new intermediates prepd. therein, pharmaceutical formulations contg. said compds. and to the use of said compds. in therapy, e.g. neurol., psychiatric and chronic and acute pain disorders (no data). Typical IC50 values for mGluR5 receptor antagonist activity are ≤10 μM; no values for individual compds. are given. Methods of prepn. are claimed and example prepns. and/or characterization data are included for ∼800 examples of I and intermediates. For example, [3-[3-[[[4-methyl-5-(thiophen-2-yl)-4H-[1,2,4]triazol-3-yl]sulfanyl]methyl][1,2,4]oxadiazol-5-yl]phenyl]carbamic acid tert-Bu ester was prepd. in 79% yield by condensation of 4-methyl-5-(thiophen-2-yl)-4H-[1,2,4]triazole-3-thiol with [3-(3-chloromethyl-[1,2,4]oxadiazol-5-yl)phenyl]carbamic acid tert-Bu ester in MeCN in the presence of K2CO3. For I: P = H, C3-7alkyl or a 3- to 8-membered ring contg. ≥1 atoms = C, N, O and S, which ring may optionally be fused with a 5- or 6-membered ring contg. ≥1 C, N, O and S; R1 = H, hydroxy, halo, nitro, C1-6-alkylhalo, OC1-6alkylhalo, C1-6alkyl, OC1-6alkyl, C2-6alkenyl, OC2-6alkenyl, C2-6alkynyl, OC2-6alkynyl, C0-6alkylC3-6cycloalkyl, etc. and a 5- or 6-membered ring contg. ≥1 C, N, O and S, wherein said ring may be substituted by ≥1 A. M1 = a bond, C1-3alkyl, C2-3alkenyl, C2-3alkynyl, C0-4alkyl(CO)C0-4alkyl, C0-3alkylOC0-3alkyl, C0-3alkyl(CO)NR5, C0-3alkyl(CO)NR5C0-3alkyl, C0-4-alkylNR5, C0-3alkylSC0-3alkyl, etc.; R2 = H, hydroxy, C0-6alkylcyano, oxo, NR5, NOR5, C1-4alkylhalo, halo, C1-4alkyl, etc. X1, X2 and X3 = CR, CO, N, NR, O and S; R = H, C0-3alkyl, halo, C0-3alkylOR5, C0-3-alkylNR5R6, C0-3alkyl(CO)OR5, C0-3alkylNR5R6 and C0-3alkylaryl; M2 = a bond, C1-3alkyl, C3-7cycloalkyl, C2-3alkenyl, C2-3alkynyl, C0-4alkyl(CO)C0-4alkyl, C0-3alkylOC0-3alkyl, etc.; R3 = H, hydroxy, C0-6alkylcyano, oxo, NR, NOR5, C1-4alkylhalo, halo, C1-4alkyl, etc. X4 = C0-4alkylR5, C0-4alkyl(NR5R6), C0-4-alkyl(NR5R6):N, NR5C0-4alkyl(NR5R6):N, NOC0-4alkyl, C1-4alkylhalo, C, O, SO, SO2 and S; Q is a 5- or 6-membered ring contg. ≥1 C, N, O and S, which group may optionally be fused with a 5- or 6-membered ring contg. ≥1 C, N, O and S and which fused ring may be substituted by ≥1 A. R4 = H, hydroxy, C0-6alkylcyano, oxo, NR5, NOR5, C1-4alkylhalo, halo, C1-4alkyl, OC1-4alkyl, OC0-6alkylaryl, etc. and a 5- or 6-membered ring contg. ≥1 atoms = C, N, O or S, wherein said ring may be substituted by ≥1 A; R5, R6 = H, OH, C1-6alkyl, etc.; A = H, OH, O, halo, nitro, C0-6alkylcyano, etc.; m = 0-4; and n = 0-3; addnl. details are given in the claims. [on SciFinder(R)]

Place, publisher, year, edition, pages
Astra Zeneca Ab, Swed.; NPS Pharmaceuticals, Inc. . , 2004. no WO2004014881A2
Keyword [en]
five member heterocycle prepn mGluR5 receptor antagonist compn, neurol disorder five member heterocycle prepn mGluR5 receptor antagonist, psychiatric disorder five member heterocycle prepn mGluR5 receptor antagonist, pain disorder five member heterocycle prepn mGluR5 receptor antagonist
National Category
Medicinal Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-270240OAI: oai:DiVA.org:uu-270240DiVA: diva2:888191
Note

CAPLUS AN 2004:143126(Patent)

Available from: 2015-12-22 Created: 2015-12-22 Last updated: 2015-12-22

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Yngve, Ulrika

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