## Abstract An amylose‐grafted chitosan has been synthesized by a chemoenzymatic method according to the following two reactions. First, maltoheptaose is introduced to chitosan by a reductive amination using sodium cyanotrihydroborate in a mixed solvent of 1.0 mol · L^−1^ aqueous acetic acid and me
Chemoenzymatic Syntheses of Amylose-Grafted Chitin and Chitosan
✍ Scribed by Kaneko, Yoshiro; Matsuda, Shun-ichi; Kadokawa, Jun-ichi
- Book ID
- 126642019
- Publisher
- American Chemical Society
- Year
- 2007
- Tongue
- English
- Weight
- 696 KB
- Volume
- 8
- Category
- Article
- ISSN
- 1525-7797
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## Abstract This paper reports the chemoenzymatic synthesis of an amylose‐grafted cellulose. A maltoheptaose was chemically introduced to the amine‐functionalized cellulose by reductive amination to produce the maltoheptaose‐grafted cellulose. Then, the phosphorylase‐catalyzed enzymatic polymerizat
## Abstract **Summary:** The title polymers, in which both the stem and the graft are biodegradable, have been synthesized for the first time in a one‐pot, lipase‐catalyzed, graft‐polymerization reaction (in bulk, at 70 °C) of __β__‐butyrolactone (__β__‐BL) and __ε__‐caprolactone (__ε__‐CL) onto ch