## Abstract Synthesis of 1,2โdisubstitutedโ3โhydroxyโ4(1__H__)โquinolinones by the cyclization of __N__โsubstituted phenacyl or acetonyl anthranilates is described. Two methods were employed for cyclization of anthranilates. Heating in polyphosphoric acid has a wide scope of applicability. The ther
1,3-Disubstituted phenalenes. 4. Preparation and properties of 1,9-dihetero-substituted phenalenyl cations
โ Scribed by Franz, K. D.
- Book ID
- 121397699
- Publisher
- American Chemical Society
- Year
- 1979
- Tongue
- English
- Weight
- 524 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0022-3263
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๐ SIMILAR VOLUMES
Preparation of 1,2-Disubstituted-3-hydroxy-4(1H)-quinolinones and the Influence of Substitution on the Course of Cyclization. -The synthesis of the title quinolinones (IV) by cyclization of N-substituted anthranilates (III) in moderate to good yields is described. The PPA-induced cyclization has a
Synthesis and Cytotoxicity of 2-Methyl-4,9-dihydro-1-substituted-1H-imidazo [4,5-g]quinoxaline-4,9-diones and 2,3-Disubstituted-5,10pyrazino[2,3-g]quinoxalinediones. -Among a series of quinoxaline derivatives, derivative (Id) shows more potent cytotoxicity against human gastric adenocarcinoma cells
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