메뉴 건너뛰기




Volumn 62, Issue 7, 1997, Pages 2123-2129

Three- and Four-Carbon Elongating Ring Expansion of Cyclic Acetals to Medium-Sized Dioxacycloalkenones. Use of the Intramolecular Formation of Oxonium Ylides

Author keywords

[No Author keywords available]

Indexed keywords


EID: 0000115015     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo961844x     Document Type: Article
Times cited : (31)

References (33)
  • 19
    • 0343657900 scopus 로고    scopus 로고
    • For examples of the [2,3]-sigmatropic rearrangement of oxonium ylides, see: (a) Clark, J. S.; Dossetter, A. G.; Whittingham, W. G. Tetrahedron Lett. 1996, 37, 5603. (b) Clark, J. S.; Whitlock, G. A. Tetrahedron Lett. 1994, 35, 6381.
    • (1996) Tetrahedron Lett. , vol.37 , pp. 5603
    • Clark, J.S.1    Dossetter, A.G.2    Whittingham, W.G.3
  • 20
    • 0028086259 scopus 로고
    • For examples of the [2,3]-sigmatropic rearrangement of oxonium ylides, see: (a) Clark, J. S.; Dossetter, A. G.; Whittingham, W. G. Tetrahedron Lett. 1996, 37, 5603. (b) Clark, J. S.; Whitlock, G. A. Tetrahedron Lett. 1994, 35, 6381.
    • (1994) Tetrahedron Lett. , vol.35 , pp. 6381
    • Clark, J.S.1    Whitlock, G.A.2
  • 28
    • 85033142691 scopus 로고    scopus 로고
    • note
    • We identified 16a and 16b by silylation. The mixture of 16a and 16b was treated with dimethyl-tert-butylsilyl chloride and imidazole in dimethylformamide at room temperature for 18 h. 9-[tert- Butyldimethylsilyl)oxy]-7-oxanonane-2,5-dione was obtained in 46% yield.
  • 29
    • 0029855674 scopus 로고    scopus 로고
    • Very recently, Sueda and Ochiai reported evidence of reversible ylide formation between free alkylidenecarbenes and ethers. Sueda, T.; Nagaoka, T.; Goto, S.; Ochiai, M. J. Am. Chem. Soc. 1996, 118, 10141-10149.
    • (1996) J. Am. Chem. Soc. , vol.118 , pp. 10141-10149
    • Sueda, T.1    Nagaoka, T.2    Goto, S.3    Ochiai, M.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.