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Volumn 23, Issue 3, 1982, Pages 259-262

Silicon in organic syntheis. 13. The 1-trimethylsilylcyclopropyl anion and its formal equivalent

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EID: 49049131007     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(00)86803-3     Document Type: Article
Times cited : (22)

References (28)
  • 10
    • 84919046263 scopus 로고    scopus 로고
    • Review: Paquette, L.A. Israel J. Chem. in press.
  • 11
    • 84919046262 scopus 로고    scopus 로고
    • Paquette, L.A.; Wells, G.J.; Horn, K.A.; Yan, T.-H. following paper.
  • 12
    • 0000509961 scopus 로고
    • Vinyl Derivatives of Metals. XIV. Reaction of the Trimethylvinyl Compounds of Silicon, Germanium, and Tin with Iodomethylzinc Iodide. Preparation of Cyclopropyltin Compounds by the Grignard Procedure
    • (1962) Inorganic Chemistry , vol.1 , pp. 913
    • Seyferth1    Cohen2
  • 14
    • 84919046261 scopus 로고    scopus 로고
    • Professor R.F. Cunico has informed us of similar negative experiments in his laboratory.
  • 15
    • 33847087468 scopus 로고
    • This reagent/solvent combination is highly preferred for the deprotonation of trimethylsilane:
    • (1980) J. Am. Chem. Soc. , vol.102 , pp. 5004
    • Ehlinger1    Magnus2
  • 22
    • 84919046260 scopus 로고    scopus 로고
    • The feasibility of lithium 1-(dimethylamino)naphthalenide in the present context has also been examined, but with less satisfactory results (incomplete reduction). As noted by others [Bank, S.; Platz, M. Tetrahedron Lett., 2097; Cohen, T.; Matz, J.R. Synth. Commun., 10, 311], the aromatic byproduct can in this instance be separated from the carbinols by acid extraction.
  • 23
    • 84919046259 scopus 로고    scopus 로고
    • α-Bromovinyltrimethylsilane [Chan, T.H.; Mychajlowskij, W.; Ong, B.S.; Harpp, D.N. J. Org. Chem., 43, 1526 is readily converted to the lithium reagent by the action of t-BuLi at −78°C in ether. Although earlier workers have utilized 1 equiv of t-BuLi for this purpose [Gröbel, B.-T.; Seebach, D. Angew. Chem., 86, 102; Chan, T.H.; Mychajlowskij, W. Tetrahedron Lett., 3479], we have noted that the use of 1.5 equiv improves the yield of carbinol by 14–20%.
  • 25
    • 84919046258 scopus 로고    scopus 로고
    • 1H NMR, IR, m/e) in accord with the assinged structures.
  • 28
    • 84919046256 scopus 로고    scopus 로고
    • We thank the National Science Foundation and the National Institutes of Health for their financial support of this research.


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