Journal
SYNLETT
Volume 33, Issue 8, Pages 785-790Publisher
GEORG THIEME VERLAG KG
DOI: 10.1055/a-1782-7150
Keywords
transition-metal-free reaction; C-H bond functionalization; potassium tert-butoxide; Mizoroki-Heck reaction; phenanthridin ones; indoles
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Funding
- Council of Scientific and Industrial Research, New Delhi, India
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Privileged indole-fused phenanthridinones were efficiently synthesized via a potassium tert-butoxide-promoted intramolecular radical cyclization reaction. The synthesized compounds exhibited excellent photoluminescence properties and were successfully used as fluorescent bioprobes for live cancer cell imaging.
Privileged indole-fused phenanthridinones were synthe-sized by an inexpensive potassium tert-butoxide-promoted intramolecular Mizoroki-Heck-type radical cyclization. This method offers high atom- and step-economic C-C bond formation. An array of the synthesized compounds showed good photoluminescence properties, and could be successfully applied as fluorescent bioprobes for imaging of living cancer cells.
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