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Structure of 6-chloro-9,9-dimethyl-9H-imidazolo[1,2-b]pyrazolo[4,3-d]pyridazine

✍ Scribed by Leban, I. ;Golič, L. ;Stanovnik, B. ;Tišler, M.


Book ID
114504573
Publisher
International Union of Crystallography
Year
1987
Tongue
English
Weight
315 KB
Volume
43
Category
Article
ISSN
0108-2701

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✍ Chen, Dong-Qin ;Li, Chun-Mei ;Tu, Shu-Jiang 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 873 KB

The title compound, C 21 H 20 ClN 3 O 2 , was synthesized by the reaction of 4-chlorobenzaldehyde and 3-(5,5-dimethyl-3-oxocyclohex-1-enylamino)propanoic acid with malononitrile in ethylene glycol under microwave irradiation. The dihydropyridine ring has a boat conformation. The pyrimidine ring adop