Chemical modification of chitin and chitosan 1: preparation of partially deacetylated chitin derivatives via a ring-opening reaction with cyclic acid anhydrides in lithium chloride/N,N-dimethylacetamide

1999 ◽  
Vol 39 (3) ◽  
pp. 237-243 ◽  
Author(s):  
Y Shigemasa ◽  
H Usui ◽  
M Morimoto ◽  
H Saimoto ◽  
Y Okamoto ◽  
...  
Keyword(s):  
Chemical Modification ◽  
Lithium Chloride ◽  
Ring Opening ◽  
Cyclic Acid ◽  
Ring Opening Reaction ◽  
Acid Anhydrides ◽  
Chitin And Chitosan ◽  
Chitin Derivatives

Asymmetric ring opening of cyclic acid anhydrides with lipase in organic solvents

1988 ◽  
Vol 29 (14) ◽  
pp. 1717-1720 ◽  
Author(s):  
Kazuyoshi Yamamoto ◽  
Takaaki Nishioka ◽  
Jun'ichi Oda ◽  
Yukio Yamamoto
Keyword(s):  
Organic Solvents ◽  
Ring Opening ◽  
Cyclic Acid ◽  
Acid Anhydrides ◽  
Asymmetric Ring Opening

ChemInform Abstract: Highly Regioselective Ring-Opening of α-Substituted Cyclic Acid Anhydrides Catalyzed by Lipase.

ChemInform ◽  
1989 ◽  
Vol 20 (40) ◽  
Author(s):  
J. HIRATAKE ◽  
K. YAMAMOTO ◽  
Y. YAMAMOTO ◽  
J. ODA
Keyword(s):  
Ring Opening ◽  
Cyclic Acid ◽  
Acid Anhydrides
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