## Abstract magnified image 3‐Amino‐3‐phenyl‐2‐phenylazoacrylonitrile **6** is obtained in good yield __via__ reaction of **5** with phenyl magnesium bromide. The compound **6** is readily converted into **4a**. The so formed alkanenitrile reacted with phenylmagnesium bromide to yield **8**. Compo
Recyclization of 2-iminocoumarin-3-carbonitriles with 2-aminothiobenzamide: a new synthetic route to substituted 2-(2-iminocoumarin-3-yl)quinazoline-4(3 H )-thiones
✍ Scribed by Shynkarenko, Pavlo E.; Vlasov, Sergiy V.; Kovalenko, Sergiy M.; Chernykh, Valentin P.
- Book ID
- 121225048
- Publisher
- Taylor and Francis Group
- Year
- 2010
- Tongue
- English
- Weight
- 162 KB
- Volume
- 31
- Category
- Article
- ISSN
- 1741-5993
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## Abstract The reaction of 2‐amino‐2‐oxazolines with ethoxycarbonyl isocyanate was investigated in order to access to fused 1,3,5‐triazine‐2,4‐diones with a potential 5‐HT~2~ antagonist activity. The reaction leads to 2,3,6,7‐tetrahydro‐4__H__‐oxazolo[3,2‐__a__]‐1,3,5‐triazine‐2,4‐diones and to 1‐