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Volumn 19, Issue 1, 2009, Pages 40-46

Identification and synthesis of 2,7-diamino-thiazolo[5,4-d]pyrimidine derivatives as TRPV1 antagonists

Author keywords

Antagonists; Thiazolo pyrimidine; TRPV1

Indexed keywords

2,7 DIAMINOTHIAZOLO[5,4 D]PYRIMIDINE DERIVATIVE; PYRIMIDINE DERIVATIVE; UNCLASSIFIED DRUG; VANILLOID RECEPTOR 1;

EID: 57749118683     PISSN: 0960894X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.bmcl.2008.11.024     Document Type: Article
Times cited : (21)

References (30)
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    • The synthesis and structure-activity relationships of 5,6,7,8-tetrahydro-pyrido[3,4-d]pyrimidines as TRPV1 antagonists will be reported in due course. In addition to our own efforts, preparations of 5,6,7,8-tetrahydro-pyrido[3,4-d]pyrimidines as TRPV1 receptor modulators have been reported in the patent literature. (a) Kelly, M. G.; Janagani, S.; Wu, G.; Kincaid, J.; Lonergan, D.; Fang, Y.; Wei, Z. PCT Int. Appl. WO2005066171, 2005. (b) Norman, M. H.; Ognyanov, V. I.; Pettus L. H. US Patent 0165032, 2005. (c) Lee, C.; Brown, B. S.; Keddy, R. G.; Perner, R. J.; Koenig, J. R. PCT Int. Appl. WO2006062981, 2006.
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    • For accounts of TRPV1 antagonists with other relevant heterocyclic cores see: (a) Bakthavatchatam, R.; Blum, C. A.; Brielmann, H. L.; Caldwell, T. M.; De Lombaert, S. PCT Int. Appl. WO2003062209, 2003. (b) Allison, B. D.; Branstetter, B. J.; Breitenbucher, J. G.; Hack, M. D.;Hawryluk, N. A.; Lebsack, A. D.; McClure, K. J.; Merit, J. E. PCT Int. Appl. WO2007109355, 2007.
    • For accounts of TRPV1 antagonists with other relevant heterocyclic cores see: (a) Bakthavatchatam, R.; Blum, C. A.; Brielmann, H. L.; Caldwell, T. M.; De Lombaert, S. PCT Int. Appl. WO2003062209, 2003. (b) Allison, B. D.; Branstetter, B. J.; Breitenbucher, J. G.; Hack, M. D.;Hawryluk, N. A.; Lebsack, A. D.; McClure, K. J.; Merit, J. E. PCT Int. Appl. WO2007109355, 2007.
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    • For single step synthesis of 2-amino-7-chloro-thiazolo[5,4-d]pyrimidine see
    • For single step synthesis of 2-amino-7-chloro-thiazolo[5,4-d]pyrimidine see. Liu J., Patch R.J., Schubert C., and Player M.R. J. Org. Chem. 70 (2005) 10194
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    • Liu, J.1    Patch, R.J.2    Schubert, C.3    Player, M.R.4
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    • 13C HSQC and HMBC were used to confirm the structure of compound 8 and therefore 7b. In the HMBC, a strong 3-bond coupling was observed between the proton on the N-methyl and the two adjacent quaternary carbons for compound 8.{A figure is presented}
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    • The authors have deposited coordinates for this compound with the Cambridge Crystallographic Data Centre. The coordinates of 3 are CCDC 702151.
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    • The solubility assay was conducted in a 96-well format using DMSO stock solutions (10 mM of compound). DMSO was evaporated and residual solids were re-suspended in fasted-state simulated intestinal fluid (SIF; pH 6.8) or simulated gastric fluid (SGF; pH 1.2) for 3 days. The resulting mixtures were filtered and analyzed by HPLC against external standards.
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    • note
    • When tested at 1 or 10 μM, compound 3 afforded no significant hits in a Cerep panel of 60 targets.
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    • Under anesthesia, 100 μL of 1% carrageenan (Sigma) in saline was injected subcutaneously into the plantar surface of the hind paw. For methods and references on the thermal hyperalgesia testing see: Swanson, D. M.; Dubin, A. E.; Shah, C.; Nasser, N.; Chang, L.; Dax, S. L.; Jetter, M.; Breitenbucher, J. G.; Liu, C.; Mazur, C.; Lord, B.; Gonzales, L.; Hoey, K.; Rizzolio, M.; Bogenstaetter, M.; Codd, E. E.; Lee, D. H.; Zhang, S.; Chaplan, S. R.; Carruthers, N. I. J. Med. Chem. 2005, 48, 1857.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.