𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Partially carbamate reaction of cellulose with urea

✍ Scribed by Yasuo Nozawa; Fukuji Higashide


Book ID
101581579
Publisher
John Wiley and Sons
Year
1981
Tongue
English
Weight
211 KB
Volume
26
Category
Article
ISSN
0021-8995

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Condensations of isatinic acid with urea
✍ Gj. Stefanović; Lj. Lorenc; M. Lj. Mihailović 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 545 KB

## Abstract By condensing the potassium salt of isatinic acid ‐ (__o__‐aminophenyl)‐glyoxylic acid ‐ with urea, __N__‐substituted ureas and ethyl carbamate, 2‐hydroxyquinazoline‐4‐carboxylic acid was obtained, in excellent yield. In a similar condensation with guanidine, potassium isatinate reacted