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Polyetherols obtained from 6-aminouracil and ethylene carbonate

✍ Scribed by Elżbieta Chmiel-Szukiewicz

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
334 KB
Volume
106
Category
Article
ISSN
0021-8995

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Polyetherols obtained from 6-aminouracil
Polyetherols obtained from 6-aminouracil and oxiranes
✍ Elżbieta Chmiel-Szukiewicz 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 166 KB

## Abstract Reactions of 6‐aminouracil with an excess of oxiranes (ethylene oxide and propylene oxide) in dimethylsulfoxide in the presence of triethylamine as a catalyst leads to polyetherols with a 1,3‐pyrimidine ring. The products are analyzed using IR and ^1^H‐NMR spectroscopies. The physical p

Kinetics and mechanism of initial steps
Kinetics and mechanism of initial steps of synthesis of polyetherols from melamine and ethylene carbonate
✍ Dorota Kijowska; Stanisław Wołowiec; Jacek Lubczak 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 114 KB 👁 1 views

## Abstract The kinetics of initial steps of formation of polyetherols in the reaction between melamine and ethylene carbonate in dimethylsulfoxide in presence of 1,4‐diazabicyclo[2.2.2]octane (DABCO) as catalyst was studied. Based upon kinetic studies performed with various concentrations of melam