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- Title
Synthesis of Some C<sub>2</sub>-Symmetric Bidentate Ligands and Their Complexes Derived from Feist's Acid.
- Authors
Al-Majid, Abdullah M. A.; Al-Othman, Zeid A.; Islam, Mohammad Shahidul
- Abstract
Various new C2-symmetric bidentate ligands, bearing phosphorus, nitrogen, and sulfur, were obtained in an efficient manner, starting from (±)- trans-3-methylidenecyclopropane-1,2-dicarboxylic acid ( Feist's acid; (±)- trans- 3). The structures of the new bidentate ligands, di( tert-butyl) (±)-[( trans-3-methylidenecyclopropane-1,2-diyl)dimethanediyl]biscarbamate ((±)- 9), (±)-( trans-3-methyldienecyclopropane-1,2-diyl)dimethanaminium dichloride ((±)- 10), (±)- S, S′-[( trans-3-methylidenecyclopropane-1,2-diyl)dimethanediyl] diethanethioate ((±)- 11), and (±)-[( trans-3-methylidenecyclopropane-1,2-diyl)dimethanediyl]bis(diphenylphosphane) ((±)- 12), were fully characterized by standard spectroscopic techniques. These new classes of C2-symmetric bidentate ligands have the potential to be used in asymmetric catalysis.
- Subjects
LIGANDS (Chemistry); PHOSPHORUS; NITROGEN; SULFUR; DICARBOXYLIC acids
- Publication
Helvetica Chimica Acta, 2012, Vol 95, Issue 2, p268
- ISSN
0018-019X
- Publication type
Article
- DOI
10.1002/hlca.201100305