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The Tolylmercaptopropanones and their Condensation with Isatins

✍ Scribed by Newell, O.; Calaway, Paul K.


Book ID
126831046
Publisher
American Chemical Society
Year
1947
Tongue
English
Weight
237 KB
Volume
69
Category
Article
ISSN
0002-7863

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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