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Formation of Phosphonioepimino Salts of Sugars: a Novel Neighboring-group Participation by István Pintér; József Kovács; András Messmer; Alajos Kálmán; Gábor Tóth; Börje K. Lindberg is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is Formation of Phosphonioepimino Salts of Sugars: a Novel Neighboring-group Participation about?
We have described'S2 the synthesis of sugarphosphinimines which are precursors of carbodi-imide, heterocyclic, and urea derivatives of carbohydrates. In studying the formation of phosphinimino-pyrandsides, we now report a novel neighboringgroup participation for axially substituted derivatives. Treatment of methyl 3-azido-4,6-O-benzylidene-3-deoxy-2-U-toluene-p-sulphonyl-a-D-altroside3 (1) with triphenylphosphine afforded methyl 4,6-O-benzylidene-2,3-dideoxy-2,3-(N-triphenylphosphonioepimino)-a-D-alloside toluene-p-sulphonate (2) instead of the expected phosphinimine. The 'H-n.m.r. spectrum of 2 showed a
Who reads Formation of Phosphonioepimino Salts of Sugars: a Novel Neighboring-group Participation?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- István Pintér; József Kovács; András Messmer; Alajos Kálmán; Gábor Tóth; Börje K. Lindberg
- Publisher
- Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0008-6215)
- Published
- 1979
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)