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Volumn 14, Issue 22, 2004, Pages 5693-5697

Azepinone as a conformational constraint in the design of κ-opioid receptor agonists

Author keywords

[No Author keywords available]

Indexed keywords

3,4 DICHLORO N METHYL N [1 PHENYL 2 (1 PYRROLIDINYL)ETHYL]BENZENEACETAMIDE; ACETAMIDE DERIVATIVE; AZEPINONE; KAPPA OPIATE RECEPTOR AGONIST; UNCLASSIFIED DRUG;

EID: 5144224991     PISSN: 0960894X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.bmcl.2004.08.041     Document Type: Article
Times cited : (21)

References (29)
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    • note
    • To ensure chiral integrity, diamine 8 was acylated with 2-naphthoyl chloride. The corresponding amide was then subjected to chiral HPLC analysis (Chiralpak AD) and was determined to be 96% ee, indicating that no significant racemization had occurred at the carbon atom bearing the phenyl ring
  • 17
    • 5144233102 scopus 로고    scopus 로고
    • note
    • (a)All new compounds showed physical and spectroscopic properties consistent with their structures
  • 18
    • 5144228561 scopus 로고    scopus 로고
    • note
    • 3 (400 MHz) δ 7.75 (1H, br s), 7.73 (1H, d, J = 7.8 Hz), 7.64 (1H, d, J = 7.6 Hz), 7.52 (1H, t, J = 7.8 Hz), 7.35-7.25 (5H, m), 6.04 (1H, br t, J = 7.6 Hz), 5.68 (1H, m), 5.43 (1H, m), 4.49 (1H, d, J = 11.7 Hz), 4.25 (1H, d, J = 17.4 Hz), 3.36 (1H, dd, J = 7.6, 17.40 Hz), 3.29-3.23 (4H, m), 3.03 (1H, t, J = 10.7 Hz), 2.84 (2H, m), 2.63 (2H, s), 2.50 (3H, m), 1.77-1.71 (8H, m); LCMS m/z 494.3 (M+1)
  • 19
    • 5144228060 scopus 로고    scopus 로고
    • note
    • 1H NMRs of the intermediate dienes were rather complex, the presence of rotomers notwithstanding, indicating a mixture of diastereomers. In one case, the mixture of dienes was separated and the major diene diastereomer so obtained was subjected to the ring closing metathesis reaction, affording exclusively the syn-product (unpublished observation); hence, the metathesis reaction was racemization free
  • 22
    • 0001538420 scopus 로고
    • Acid 16 required for 15 was prepared from allyl 3,4- dichlorophenoxyacetate 17 via the enolate Claisen rearrangement using the method of Burke: S.D. Burke, W.F. Fobare, and G.J. Pacofsky J. Org. Chem. 48 1993 5221 5228
    • (1993) J. Org. Chem. , vol.48 , pp. 5221-5228
    • Burke, S.D.1    Fobare, W.F.2    Pacofsky, G.J.3
  • 23
    • 84862431103 scopus 로고    scopus 로고
    • 50 = 50 nM
    • 50 = 50 nM
  • 25
    • 5144225663 scopus 로고    scopus 로고
    • note
    • The RCM reaction proved to be a versatile reaction and was used to prepare higher order lactams, for example, 19.
  • 26
    • 2942607204 scopus 로고    scopus 로고
    • S.J. Enna M. Williams J.W. Ferkany T. Kenakin R.D. Porsolt J.P. Sullivan John Wiley and Sons New York
    • R.N. DeHaven, and D.L. DeHaven-Hudkins S.J. Enna M. Williams J.W. Ferkany T. Kenakin R.D. Porsolt J.P. Sullivan Current Protocols in Pharmacology 1998 John Wiley and Sons New York 1.4.1 1.4.12
    • (1998) Current Protocols in Pharmacology , pp. 141-1412
    • Dehaven, R.N.1    Dehaven-Hudkins, D.L.2
  • 27
    • 5144223447 scopus 로고    scopus 로고
    • note
    • In vivo test methods: (a) Acetic acid-induced writhing: Mice were treated with vehicle or compound 4a and 15 min later injected with 0.6% acetic acid intraperitoneally. Five minutes after the administration of acetic acid, the number of writhes was counted for a 10 min period
  • 28
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    • P. Horan, B.R. de Costa, K.C. Rice, and F.J. Porreca J. Pharmacol. Exp. Ther. 257 1991 1154 1161 Briefly, mice were placed on a raised plastic platform (11 x 7.5 x 3 cm) and the latency to completely step off the platform was determined before (baseline sedation latency) and 30 min after drug treatment. Mice with baseline sedation latencies of 15 s or greater were not used. After the drug treatment, a 30 s cut-off was used for the latency to step off the platform
    • (1991) J. Pharmacol. Exp. Ther. , vol.257 , pp. 1154-1161
    • Horan, P.1    De Costa, B.R.2    Rice, K.C.3    Porreca, F.J.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.