Synthesis and Characterization of BisN-(3-rosin acyloxy-2-hydroxyl) propyl-N,N dimethylamine

Abstract:

An anti-fungal derivative of rosin was synthesized. First, rosin was modified by acrylic acid and the modified rosin was esterified by epoxy chloropropane with the mole ratio of 1:3 for 3.5h at 90°C. The intermediate was bis 3-rosin acyloxy-2- hydroxypropyl chlorine and the degree of esterification was 98.81%. Then, bisN-(3-rosin acyloxy-2-hydroxyl) propyl-N,N dimethylamine was made from the intermediate under the following conditions: the intermediate and dimethylamine mole ratio of 1:2, reaction temperature of 80°C and reaction time of 2.5h. The chemical structure of the product was identified by Fourier transform infrared spectroscopy (FTIR). The anti-fungal activity of the product was determined by paper-disc method with wood decay fungi such as Trametes versicolor, Gloeophyllum trabeum and wood stain fungi such as Aspergillus niger and Paecilomyces variot Bainier. The anti-fungal experiment results signified that bisN-(3-rosin acyloxy-2-hydroxyl) propyl-N, N dimethylamine is active vs. these fungi, but less effective with Aspergillus niger. Since it is produced easily from rosin, which is renewable and not expensive, this product has a promising future as a potential wood preservative.

• Periodical: Advanced Materials Research (Volumes 113-116)
• Pages: 2197-2200
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.113-116.2197
• Online since: June 2010
• Authors: Shuang Yue Li, Jing Wang, Shu Jun Li, Zhi Jun Chen, Bing Tian, Dian Ping Wang
• Keywords: Anti-Fungal Activity, BisN-(3-Rosin Acyloxy-2-Hydroxyl) Propyl-N,N Dimethylamine, Modification, Rosin

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