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Volumn 19, Issue 33, 1978, Pages 3043-3046

Chemistry of organosilicon compounds 113 chemoselective allylation of carbonyl compounds with allylsilanes promoted by tetra-n-butylammonium fluoride. A new synthesis of homoallyl alcohols

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EID: 0000174207     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(01)94934-2     Document Type: Article
Times cited : (196)

References (21)
  • 11
    • 84917986864 scopus 로고    scopus 로고
    • a value of propene, a conjugate acid of allyl anion, is 36.5.
  • 16
    • 84917986863 scopus 로고    scopus 로고
    • By the Girgnard reaction with benzophenone, we found that the allylation occurred only at the tertiary site of the allylic part to give 3,3-dimethyl-4,4-diphenyl-but-l-ene-4-ol in 98 % yield.
  • 17
    • 84917986862 scopus 로고    scopus 로고
    • It was found that the first step in this allylation was reversible (Scheme 1), and, therefore, that a sterically less hindered allylsilane around the silicon atom was obtained at the end of the reaction, when a mixture of regioisomers of alkyl-substituted allylsilanes was heated with stirring in the presence of TBAF in THF.
  • 18
    • 33847088517 scopus 로고
    • We have recently reported that allylsilanes are versatile synthetic intermediates in the presence of Lewis acid as an activator. In this case, however the Lewis acid works as an activator of carbonyl compounds or acetals rather than allylsilanes.
    • (1977) J. Am. Chem. Soc. , vol.99 , pp. 1673
    • Hosomi1    Sakurai2
  • 21
    • 84917986861 scopus 로고    scopus 로고
    • All products gave satisfactory spectral data and correct, elemental analysis.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.