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Volumn 69, Issue 9, 2004, Pages 3216-3219

Versatile Use of Hindered Oxalates for the Stereoselective Preparation of Novel 11-Modified Androst-5-ene Derivatives

Author keywords

[No Author keywords available]

Indexed keywords

DEHYDRATION; FREE RADICALS; FURAN RESINS; STEREOCHEMISTRY;

EID: 11144356705     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo0401016     Document Type: Article
Times cited : (8)

References (18)
  • 4
    • 0037458806 scopus 로고    scopus 로고
    • See also for modification of the symmetrical position 7: Zheng, Y.; Li, Y. J. Org. Chem. 2003, 68, 1603-1606.
    • (2003) J. Org. Chem. , vol.68 , pp. 1603-1606
    • Zheng, Y.1    Li, Y.2
  • 5
    • 0344902741 scopus 로고
    • The failure of the Barton-McCombie reaction was due to the fact that the formation of the starting xanthate did not work by literature methods on this substrate (see: Barton, D. H. R.; McCombie, S. W. J. Chem. Soc., Perkin Trans. 1 1975, 1574-1585).
    • (1975) J. Chem. Soc., Perkin Trans. 1 , pp. 1574-1585
    • Barton, D.H.R.1    McCombie, S.W.2
  • 8
    • 2142671506 scopus 로고    scopus 로고
    • note
    • The addition may reversibly occur on both of the carbonyls of the oxalate, but no cyclization product from the furthest carbone of the oxalate has been detected.
  • 12
    • 2142795457 scopus 로고    scopus 로고
    • note
    • i mechanism favoring the most stable alkene, we assumed that its configuration was s-trans.
  • 16
    • 0036026808 scopus 로고    scopus 로고
    • For recent reviews on the preparation of oxygen heterocycles, see, for example: Elliott, M. C. J. Chem. Soc., Perkin Trans. 1 2002, 2301-2323;
    • (2002) J. Chem. Soc., Perkin Trans. 1 , pp. 2301-2323
    • Elliott, M.C.1
  • 18
    • 2142786306 scopus 로고    scopus 로고
    • note
    • 3 at δ 1.01 (3H, s), 1.37 (3H, s), and 3.94 (3H, s), respectively.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.