Synthesis of indolo-quinonediimine derivatives by the thermolysis of 5-(1-benzotriazolyl)-substituted spiro[2H-benzimidazole-2,1‘-cyclohexane]
Nucleophilic introduction of the 1H-benzotriazole ring into spiro[2H-benzimidazole-2,1‘-cyclohexane] and spiro[2H-imidazo[4,5-b]pyridine-2,1‘-cyclohexane], followed by Graebe-Ullmann thermolysis, and also the reduction and formic acid cyclization of five spiro[cyclohexane-1,2‘-2‘H-imidazo[4,5-b]pyri...
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| Main Authors: | , , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
2004
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| In: |
Journal of chemical research online. Synopses
Year: 2004, Issue: 7, Pages: 453-456 |
| ISSN: | 1364-5560 |
| DOI: | 10.3184/0308234042037347 |
| Online Access: | Verlag, kostenfrei, Volltext: http://dx.doi.org/10.3184/0308234042037347
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| Author Notes: | Huu Phuoc Le, Anna Kelbig, Andreas Lindauer, Richard Neidlein, and Hans Suschitzky |
| Summary: | Nucleophilic introduction of the 1H-benzotriazole ring into spiro[2H-benzimidazole-2,1‘-cyclohexane] and spiro[2H-imidazo[4,5-b]pyridine-2,1‘-cyclohexane], followed by Graebe-Ullmann thermolysis, and also the reduction and formic acid cyclization of five spiro[cyclohexane-1,2‘-2‘H-imidazo[4,5-b]pyridine] derivatives to give 5-substituted 1H-imidazo[4‘,5‘:5,6]pyrido[1,2-a]benzimidazoles, are described. |
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| Item Description: | Gesehen am 28.04.2017 |
| Physical Description: | Online Resource |
| ISSN: | 1364-5560 |
| DOI: | 10.3184/0308234042037347 |