Radical Anions from Urea-type Carbonyls: Radical Cyclizations and Cyclization Cascades

Autor:	David J. Procter, Huan-Ming Huang, Joseph J. W. McDouall
Rok vydání:	2018
Předmět:	Proton 010405 organic chemistry chemistry.chemical_element General Chemistry General Medicine Bond formation Photochemistry 010402 general chemistry Nitrogen Radical cyclization 01 natural sciences Catalysis 0104 chemical sciences chemistry.chemical_compound Electron transfer chemistry Aminal Urea Selectivity
Zdroj:	Huang, H, McDouall, J J W & Procter, D 2018, ' Radical Anions from Urea-type Carbonyls: Radical Cyclizations and Cyclization Cascades ', Angewandte Chemie, vol. 57, no. 18, pp. 4995-4999 . https://doi.org/10.1002/anie.201800667
ISSN:	0044-8249
DOI:	10.1002/ange.201800667
Popis:	Radical anions generated from urea carbonyls by reductive electron transfer are exploited in carbon-carbon bond formation. New radical cyclizations of urea radical anions deliver complex nitrogen heterocycles and, depending upon the protonsource used in the reactions, a chemoselective switch between reaction pathways can deliver two heterobicyclic scaffolds. A computational study has been used to investigate the selectivity of the urea radical processes. Furthermore, radical cyclization cascades involving urea radical anions deliver unusual spirocyclicaminal architectures.
Databáze:	OpenAIRE
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