根据葡萄双糖的~(13)C化学位移数据,用统计的方法找出糖的构型和连接方式对化学位移影响的经验规律和常数,把它们有条件地推广到甙类化合物中的低聚糖体系中去,推引了一些计算这些低聚糖体系中糖碳化学位移值的经验公式,并用来指定某些甙类化合物中糖碳中的化学位移,得到比较令人满意的结果 According to the ~ (13) C chemical shift data of grape disaccharide, statistical methods were used to find out the empirical rules and constants of the chemical shifts due to the configuration and connection of sugars, and their conditional promotion to glycosides Glycans system, some empirical formulas for calculating the chemical shifts of sugar and carbon in these oligosaccharide systems have been derived and used to designate the chemical shifts in the sugar carbons of certain glycosides, resulting in satisfactory results