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Naphthyl-based PCP platinum complexes. nucleophilic activation of coordinated CO and synthesis of a Pt(II) formyl complex
Year:
2007
Source of publication :
Organometallics
Authors :
Poverenov, Elena
;
.
Volume :
26
Co-Authors:
Schwartsburd, L., Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, 76100, Israel
Poverenov, E., Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, 76100, Israel
Shimon, L.J.W., Unit of Chemical Research Support, Weizmann Institute of Science, Rehovot, 76100, Israel
Milstein, D., Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, 76100, Israel
Facilitators :
From page:
2931
To page:
2936
(
Total pages:
6
)
Abstract:
A series of naphthyl-based PCP Pt(II) complexes was synthesized and characterized. A single-crystal X-ray study of (PCP)PtCl (2) reveals stacking of the aromatic units between each pair of molecules of 2. Chloride abstraction from 2 under nitrogen atmosphere leads to formation of the unsaturated cationic complex [(PCP)Pt]+BF4 - (3), with the metal center being stabilized by the counteranion (3a) or by the solvent (3b). Abstraction of the chloride ligand from 2 under CO atmosphere leads to formation of the cationic carbonyl complex [(PCP)Pt(CO)]+BF4 - (4), containing an electrophilic carbonyl ligand. The latter is attacked by nucleophiles (MeO- and H-) to give the platinum carbomethoxy complex 5 and a rare platinum formyl complex, 6. Stabilized by the bulky bis-chelating tridentate pincer-type system, the formyl complex 6 was isolated and characterized. Complex 6 is more stable than the previously reported platinum formyls. At room temperature complex 6 is slowly converted (during days) into a hydride complex, 7. © 2007 American Chemical Society.
Note:
Related Files :
carbon monoxide
chelation
Hydride complex
Metal complexes
Nucleophilic activation
Unsaturated cationic complex
Show More
Related Content
More details
DOI :
10.1021/om0700720
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
31109
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:59
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Scientific Publication
Naphthyl-based PCP platinum complexes. nucleophilic activation of coordinated CO and synthesis of a Pt(II) formyl complex
26
Schwartsburd, L., Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, 76100, Israel
Poverenov, E., Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, 76100, Israel
Shimon, L.J.W., Unit of Chemical Research Support, Weizmann Institute of Science, Rehovot, 76100, Israel
Milstein, D., Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, 76100, Israel
Naphthyl-based PCP platinum complexes. nucleophilic activation of coordinated CO and synthesis of a Pt(II) formyl complex
A series of naphthyl-based PCP Pt(II) complexes was synthesized and characterized. A single-crystal X-ray study of (PCP)PtCl (2) reveals stacking of the aromatic units between each pair of molecules of 2. Chloride abstraction from 2 under nitrogen atmosphere leads to formation of the unsaturated cationic complex [(PCP)Pt]+BF4 - (3), with the metal center being stabilized by the counteranion (3a) or by the solvent (3b). Abstraction of the chloride ligand from 2 under CO atmosphere leads to formation of the cationic carbonyl complex [(PCP)Pt(CO)]+BF4 - (4), containing an electrophilic carbonyl ligand. The latter is attacked by nucleophiles (MeO- and H-) to give the platinum carbomethoxy complex 5 and a rare platinum formyl complex, 6. Stabilized by the bulky bis-chelating tridentate pincer-type system, the formyl complex 6 was isolated and characterized. Complex 6 is more stable than the previously reported platinum formyls. At room temperature complex 6 is slowly converted (during days) into a hydride complex, 7. © 2007 American Chemical Society.
Scientific Publication
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