Organic letters

First Synthesis of a Pentasaccharide Moiety of Ganglioside GAA-7 Containing Unusually Modified Sialic Acids through the Use of N-Troc-sialic Acid Derivative as a …

H Tamai, H Ando, H Ishida, M Kiso

Index: Barua, Apurba; Bez, Ghanashyam; Barua, Nabin C. Synlett, 1999 , # 5 p. 553 - 554

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Citation Number: 16

Abstract

... 9 in a short sequence, known compound 3(9b) was first converted into 9-O-chloroacetyl (CAc) derivative 4 in very high yield (97%).(10) Next, the CAc group of compound 4 was selectively cleaved by the action of 1-selenocarbamoylpiperidine 5(11) in DMF at 65 °C to afford 6 ...