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- Title
λ<sup>3</sup>-Pyrroloazaphosphinines with Relatively Stable P=C Double Bonds.
- Authors
Huang, Haiyang; Wei, Zhibin; Hou, Jingjing; Wang, Ruoqing; Tao, Guanyu; Wang, Mincan; Duan, Zheng; Mathey, François
- Abstract
The first pyrroloazaphosphinines with nitrogen at the junction, 7a and 7b, have been prepared by a special route involving the collapse of the phosphorus bridges of appropriate 7-phosphanorbornenes. The parent molecule 7a has a strictly planar azaphosphinine ring with some electronic delocalization according to DFT computations. Its P=C double bond does not react with 2,3-dimethylbutadiene unless P is coordinated toMo(CO)5. Compound 7a reacts with CuI to give a new type of polymeric complex [–Cu-μ2-7a–]n in which P acts as a bridging ligand and the ligand planes are antiparallel. The benzo-annulated and bromo-substituted 7b displays a skewed ring according to DFT computations and its P=C double bond is reactive toward 2,3-dimethylbutadiene without complexation.
- Subjects
PHOSPHORINE; DOUBLE bonds; DENSITY functional theory; NITROGEN; LIGANDS (Chemistry); METAL complexes
- Publication
European Journal of Organic Chemistry, 2018, Vol 2018, Issue 22, p2863
- ISSN
1434-193X
- Publication type
Article
- DOI
10.1002/ejoc.201800492