引用本文:
Cheng Gang HUANG, Chen LI, Zhi Xiao LI, Yao Zu CHEN. A Rapid and Convenient Procedure for the Permethylation of Polysaccharides[J]. Chinese Chemical Letters,
1998, 9(4): 339-340.
Citation: Cheng Gang HUANG, Chen LI, Zhi Xiao LI, Yao Zu CHEN. A Rapid and Convenient Procedure for the Permethylation of Polysaccharides[J]. Chinese Chemical Letters, 1998, 9(4): 339-340.
Citation: Cheng Gang HUANG, Chen LI, Zhi Xiao LI, Yao Zu CHEN. A Rapid and Convenient Procedure for the Permethylation of Polysaccharides[J]. Chinese Chemical Letters, 1998, 9(4): 339-340.
A Rapid and Convenient Procedure for the Permethylation of Polysaccharides
摘要:
Butyllithium was directly added to the solution of polysaccharides in dimethyl sulfoxide. The methylsulfinyl carbanion, as a sugar alkoxide forming reagent, was generated from the solution. All the operations were performed as one-pot reactions. Five polysaccharides from different traditional Chinese medicines and three dextrans were methylated and satisfactory results have been achieved.
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关键词:
- methylation
- / polysaccharides
- / butyllithium
English
A Rapid and Convenient Procedure for the Permethylation of Polysaccharides
Abstract:
Butyllithium was directly added to the solution of polysaccharides in dimethyl sulfoxide. The methylsulfinyl carbanion, as a sugar alkoxide forming reagent, was generated from the solution. All the operations were performed as one-pot reactions. Five polysaccharides from different traditional Chinese medicines and three dextrans were methylated and satisfactory results have been achieved.
-
Key words:
- methylation
- / polysaccharides
- / butyllithium
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