Helical chirality transmission through a p-phenylene fragment in a hexa-λ5-phosphazene

Organic Letters

Volumn 9, Issue 22, 2007, Pages 4631-4634

  Alajarín, Mateo ^a   López Leonardo, Carmen ^a   Berná, José ^a  

^a UNIVERSITY OF MURCIA   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 36049046730     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol702183d     Document Type: Article

References (35)

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33. For the determination of the symmetry group of each diastereoisomer, we have considered that their two macrobicyclic units are connected by a single bond because, as stated in the text, the connecting aryl group rotates freely around the main symmetry axis, in solution at room temperature.
34. MM+ force field as implemented in the HyperChem 6.0 molecular modeling program (Hypercube, Inc.; http://www.hyper.com).
35. See Supporting Information for an estimation of the energy barrier for this equilibration process.