## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
A Simple Two-Step Sequence for the Synthesis of Novel 4-Aryl-4,5-dihydro-6H-[1,3]dioxolo[4,5-h]pyrrolo[1,2-a][1]benzazepin-6-ones from 6-Amino-3,4-methylenedioxyacetophenone
✍ Scribed by Rodrigo Abonia; Paola Cuervo; Braulio Insuasty; Jairo Quiroga; Manuel Nogueras; Justo Cobo
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 172 KB
- Volume
- 2008
- Category
- Article
- ISSN
- 1434-193X
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## Abstract magnified image The 2‐amino‐4‐(het)aryl‐4,6‐dihydro‐1(3)(11)__H__‐[1,3,5]triazino[2,1‐__b__]quinazolin‐6‐ones were prepared readily by cyclocondensation of anthranilic acid derived 4‐oxo‐3,4‐dihydroquinazolinyl‐2‐guanidine with a variety of aldehydes. The structures of the compounds we
## Abstract The reaction of 1‐aryl‐3‐(dimethylamino)‐1‐propanones 1 with one equivalent of 4,5‐diamino‐1__H__‐pyrimidin‐6‐ones 2, in acidic medium, leads to the formation of 4‐aryl‐2,3,6,7‐tetrahydro‐1__H__‐pyrimido[4,5‐__b__]‐[1,4]diazepin‐6‐ones 3. The structure elucidation of the products is bas
## Abstract For Abstract see ChemInform Abstract in Full Text.
## Abstract A versatile methodology to build the 1__H__‐[1,2,4]triazino[1,6‐__a__]quinoline‐2,4,6(3__H__)‐trione structure from methyl 6‐fluoro4‐oxo‐1,4‐dihydro‐2‐quinolinecarboxylate was developed. The method involves an __N__‐ami‐nation followed by condensation of an aroyl isocyanate to form an a