The title compound, C 12 H 15 N 3 O, crystallizes with four independent molecules in the asymmetric unit. The fivemembered heterocyclic rings are essentially planar. The crystal packing is stabilized by intra-and intermolecular hydrogen bonds andstacking interactions.
✦ LIBER ✦
Aminolysis of 2-amino-5-benzylidene-1,3-thiazol-4(5H)-one in cyclic amines: Recyclization to 2-amino-5-benzylidene-1,5-dihydro-4H-imidazol-4-one derivatives
✍ Scribed by S. M. Ramsh; N. L. Medvedskii
- Book ID
- 111459277
- Publisher
- Springer
- Year
- 2007
- Tongue
- English
- Weight
- 116 KB
- Volume
- 77
- Category
- Article
- ISSN
- 1070-3632
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The Schiff bases 3a-h obtained from 4-amino-1,2,4-triazol-3-ones 1a-h when subjected to Japp-Klingemann reaction yielded the corresponding 3-{2-[(2-aryl-5-methyl-3H-[1,2,4]-triazol-3-one-4-yl)]-iminophenyl}-pentane-2,4-diones 4 a-h. These diones on cyclisation with N 2 H 4 yielded the title compound