| Literature DB >> 12762672 |
Diego Peña1, Agustín Cobas, Dolores Pérez, Enrique Guitián, Luis Castedo.
Abstract
[reaction: see text] A double helicene formed by a pentahelicene and a heptahelicene with two rings in common was obtained by palladium-catalyzed cyclotrimerization of 3,4-didehydrophenanthrene and was characterized conformationally by NMR and GIAO calculations.Entities:
Year: 2003 PMID: 12762672 DOI: 10.1021/ol034433t
Source DB: PubMed Journal: Org Lett ISSN: 1523-7052 Impact factor: 6.005