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Volumn 30, Issue 29, 1989, Pages 3865-3868

Synthesis of N-protected spiroamines related to natural products using radical cyclisations

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EID: 0000736697     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(01)80679-1     Document Type: Article
Times cited : (25)

References (17)
  • 4
    • 0345278162 scopus 로고
    • 1-Azaspiro Annelation: A Synthetic Approach to Naturally Occurring Heterocyclic Spiranes
    • For a previous attempt to develop a general strategy to azaspirocyclic systems see
    • (1976) Synthetic Communications , pp. 521
    • Bryson1    Wilson2
  • 5
    • 85065609508 scopus 로고
    • A Useful Method for the Conversion of Azides to Amines
    • The seemingly straightforward approach to these compounds involving intramolecular addition of an amine to an α,β-unsaturated ketone works in some cases
    • (1975) Synthesis , pp. 590
    • Corey1    Nicolaou2    Balanson3    Machida4
  • 9
    • 84986398177 scopus 로고
    • Facile and Highly Efficient Conjugate Addition of Benzeneselenol to α,β-Unsaturated Carbonyl Compounds
    • (1980) Synthesis , pp. 664
    • Miyashita1    Yoshikoshi2
  • 10
    • 84985242701 scopus 로고
    • Improved Procedure for Borane-Dimethyl Sulfide Reduction of Primary Amides to Amines
    • (1981) Synthesis , pp. 441
    • Brown1    Narasimhan2    Choi3
  • 11
    • 0001104918 scopus 로고
    • This problem can apparently be overcome if dimethylborane is used in the hydroboration step, but we have not yet explored this possibility, see
    • (1987) Tetrahedron , vol.43 , pp. 4071
    • Brown1    Kim2    Srebnik3    Singaram4
  • 14
    • 84918628856 scopus 로고    scopus 로고
    • In reference 9 Swindell et al note that O- and C-polyacetylation difficulties are encountered in the acetylation of vinylogous amides with acetyl chloride in pyridine. This probably explains our earlier failures to effect clean acetylation, and even using the phase-transfer method we suspect overacetylation occurs if the reaction is run for too long.
  • 15
    • 84918626497 scopus 로고    scopus 로고
    • 3) 1.81–2.03(5H, m), 2.05(3H, s), 2.11(1H, d, J 18Hz), 2.19–2.29(1H, m), 2.58–2.67(1H, m), 2.77(1H, m), 3.32, 1H, [[Truncated]]


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.