Preparation of Carboxymethyl Pachmaran in One StepChinese Full Text
ZHANG Jin-ping~*,WANG Jin-wen(Research Institute of Subtropical Forestry,CAF,Fuyang Zhejiang 311400,China)
Abstract: The condition for preparation of carboxymethyl pachmaran in one-step in organic solvent medium was studied in this paper.Results are showed as follows.Ethanol is the best medium for the reaction of carboxyl methylation.When the concentration of ethanol is 80%,there is the highest degree of substitution of carboxymethyl.The reaction speed increases as the reaction temperature is raised;the degree of substitution increases as reaction time extends.If the glucose equivalent weight and the molar rat... More
- DOI：
10.16333/j.1001-6880.2006.02.029
- Series：
(A) Mathematics/ Physics/ Mechanics/ Astronomy; (B) Chemistry/ Metallurgy/ Environment/ Mine Industry
- Subject：
Organic Chemical Industry
- Classification Code：
TQ461
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