Original keto ester‐C‐glycosides or unsaturated acyl‐C‐glycosides have been prepared in moderate to excellent yields in the galactose, glucose and mannose series by reactions involving addition of Reformatsky‐type or allylic zinc reagents to 2,3,4,6‐tetra‐O‐benzylglycopyranosyl cyanides.

中文翻译：

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在Glycopyranosyl氰化物中添加有机锌试剂：获得Keto Ester-C-glycosides或不饱和的Acyl-C-glycosides

通过将Reformatsky型或烯丙基锌试剂添加到2,3,4,6中的反应，已在半乳糖，葡萄糖和甘露糖系列中以中等至极高的收率制备了原始的酮酯C-糖苷或不饱和酰基C-糖苷。 -四-O-苄基甘露糖基氰化物。