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The versatile role of norbornene in C–H functionalization processes: concise synthesis of tetracyclic fused pyrroles via a threefold domino reaction
- Source :
-
Tetrahedron . Jun2008, Vol. 64 Issue 26, p6002-6014. 13p. - Publication Year :
- 2008
-
Abstract
- Abstract: The synthesis of novel tetracyclic fused pyrroles from 1-(2-iodophenyl)-1H-pyrrole and various bromoalkyl-aryl alkynes via a palladium(0)-catalyzed and norbornene-mediated threefold domino reaction is reported. PdCl2 and tri-2-furylphosphine (TFP) in the presence of norbornene and Cs2CO3 in CH3CN at 90°C gave a variety of tetracyclic fused pyrroles in usually high yields. In the described reaction sequence two of the three carbon–carbon bonds are formed by functionalization of an unactivated aryl C–H bond. [Copyright &y& Elsevier]
- Subjects :
- *ORGANONITROGEN compounds
*CHEMICAL bonds
*CARBON
*PYRROLES
Subjects
Details
- Language :
- English
- ISSN :
- 00404020
- Volume :
- 64
- Issue :
- 26
- Database :
- Academic Search Index
- Journal :
- Tetrahedron
- Publication Type :
- Academic Journal
- Accession number :
- 32166888
- Full Text :
- https://doi.org/10.1016/j.tet.2008.01.146