Carbohydrate chemistry. : a review of the literature by J.S. (editor) Brimacombe

By J.S. (editor) Brimacombe

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By J.S. (editor) Brimacombe

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F. M. Kuster and H. M. G. Temmink, Carbohydrate Res.. 1977. 54. 185. B. F. M. Kuster and H. J. C. van der Steen. Starke, 1977, 29,99 (Chem. , 1977,87. 53 501s). K. -& Pernemalm, T. Theander, Acta Chem. Scand.. 469. C. Kooyman, K. Vellenga, and H. G. J. de Wilt. Carbohydrate Res.. 33. L. Hyvonen, P. Varo, and P. Koivistoinen, J . , 1977, 42, 652 (Chern. , 1977,87, 136 1 7 9 ~ ) . L. Hyvonen, P. Varo, and P. Koivistoinen, J . 42 654 (Chem. Abs.. 87, 136 180n). L. Hyvonen, P. Varo, and P. Koivistoinen, J .

The ~ ~ ~glycosyl cyanides also reacted with sodium azide and ammonium chloride in hot DMF to give acylated 5-P-~-glycopyranosyltetrazoles. 226 NH2 Ar = p-ClC,H,, p-BrC,H,, etc. 229 An antifungal antibiotic (W-7783) produced by the soil-inhabiting myxobacteriale Polyangium celldosum var. 230The detailed stereochemistry of this antibiotic was confirmed by X-ray crystallography. M. Fuertes, T. Garcia-Lopez, G. Garcia-Muiioz, and M. Stud, J. Org. , 1976, 41,4074. I. Farkas, I. F. Szabb, and R. , 1977,56,404.

Zhubaeva, Khim. prirod. Soedinenii, 1976, 661 (Chem. Abs, 1977, 86, 103 079n). M. Zielinska-Staaiek and S. , 1977,51, 921. H. Ohashi, M. Goto, and H. Imamura, Phytochemistry, 1977,16, 1106. r. g. (74)] by reaction of 2,3,5-tri-O-benzyl-~-riboC0,Me BnO OBn ( 74) furanosyl bromide with the silver salt of methyl propiolate (see Vol. 9, p. g. 4(5)-methoxycarbonyl-5(4)-a-~-ribofuranosyl-l,2,3-triazole and 4-PDribofuranosylpyrazole] by hydrogenolysis. OBz vii QSNH BzO OBz Ib Reagents: i, MeONa-MeOH; ii, H,NCOCONHNH,; iii, heat; iv, H,S; v, ClCH,COMe: vi, EtO,CCHCICOCO,Et: vii, BrCH,COCO,Et Scheme 12 220 "' 222 J.

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