## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access the actual ChemInform Abstract, please click on HTML or PDF.
Synthesis of substituted benz[g]indole-6,9-diones and benzo[h]quinoline-7,10-diones by heterocyclization of 6-alkynyl-5-amino-1,4-naphthoquinones
โ Scribed by E. A. Yakovleva; I. D. Ivanchikova; M. S. Shvartsberg
- Publisher
- Springer
- Year
- 2005
- Tongue
- English
- Weight
- 336 KB
- Volume
- 54
- Category
- Article
- ISSN
- 1573-9171
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๐ SIMILAR VOLUMES
## Abstract Treatment of difluoro or chloro fluoroโsubstituted benzyl bromides 5aโc with zinc dust in tetrahydroโfuran leads to the corresponding benzylic zinc bromides 6aโc. These organometallics on treatment with chlorosubstituted heterocyclic esters 4A and 4B mediated by nickel catalysis undergo
## Abstract The molecular structures of the title compounds 3 and 5 were investigated by NMR and Xโray structural methods. The NMR results suggest two equivalent halves for both molecules. The Xโray study shows an approximate mirror plane for 3 and an approximate twofold axis for a significant port