Novel Water-Soluble Quaternary Piperazin
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Jukka Holappa; Tapio Nevalainen; Rustam Safin; Pasi Soininen; Tomas Asplund; Tii
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Article
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2006
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John Wiley and Sons
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English
β 387 KB
## Abstract **Summary:** Novel synthesis methods for the preparation of quaternary piperazine derivatives of chitosan were developed. Quaternary ammonium moiety can be selectively inserted into either one or both of the piperazine nitrogens, yielding structurally uniform chitosan derivative structu