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Volumn 68, Issue 15, 2012, Pages 3263-3275

Asymmetric syntheses of 3,4-syn- and 3,4-anti-3-substituted-4- aminopiperidin-2-ones: Application to the asymmetric synthesis of (+)-(3S,4R)-cisapride

Author keywords

(+) (3S,4R) Cisapride; 4 Aminopiperidin 2 one; 4 Aminopiperidine; Conjugate addition; Lithium amide

Indexed keywords

3,4 SYN 3 HYDROXY 4 AMINOPIPERIDIN 2 ONE; CISAPRIDE; ESTER; LITHIUM; PIPERIDINE DERIVATIVE; UNCLASSIFIED DRUG;

EID: 84862799609     PISSN: 00404020     EISSN: 14645416     Source Type: Journal    
DOI: 10.1016/j.tet.2011.12.084     Document Type: Article
Times cited : (19)

References (97)
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    • 84862814832 scopus 로고    scopus 로고
    • note
    • 2, and maintaining the reaction temperature at -15°C, see Ref. 19.
  • 63
    • 84862795943 scopus 로고    scopus 로고
    • note
    • The corresponding (Z)-diastereoisomers were not isolated.
  • 64
    • 84862779398 scopus 로고    scopus 로고
    • note
    • 4 gave (R)-N-benzyl-N-(α- methylbenzyl)amine; subsequent deprotonation with BuLi in THF generated a pink solution of lithium (R)-N-benzyl-N-(α-methylbenzyl)amide (R)-32.
  • 71
    • 84862814831 scopus 로고    scopus 로고
    • note
    • In each case samples of the corresponding α,α-diprotio- β-amino esters 26-28 were also isolated.
  • 76
    • 84862779396 scopus 로고    scopus 로고
    • Crystallographic data (excluding structure factors) for compounds 36, 37 and 49 have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication numbers CCDC 845673-845675, respectively. Copies of these data can be obtained free of charge from The Cambridge Crystallographic Data Centre via
    • Crystallographic data (excluding structure factors) for compounds 36, 37 and 49 have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication numbers CCDC 845673-845675, respectively. Copies of these data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/data-request/cif.
  • 79
    • 84862804501 scopus 로고    scopus 로고
    • note
    • 1H NMR spectroscopic analysis of the crude reaction mixture revealed that 39 was formed in >90:10 dr, although peak overlap precluded a more accurate determination of the reaction diastereoselectivity.
  • 82
    • 0027366191 scopus 로고
    • News
    • (a) Clin. Pharmacol. 1993, 12, 876 (News);
    • (1993) Clin. Pharmacol. , vol.12 , pp. 876
  • 88
    • 84862779400 scopus 로고    scopus 로고
    • U.S. Patent 5,629,328
    • Gray, N. M.; Young, J. W. U.S. Patent 5,629,328, 1997.
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    • Gray, N.M.1    Young, J.W.2
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    • 84862814833 scopus 로고    scopus 로고
    • note
    • N,N-Di-[3-(4′-fluorophenoxy)propyl]-N-allylamine (the product of N-dialkylation) was also isolated from this reaction in 10% yield.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.