Abstract
The electronically unsaturated platinum-osmium complex Pt2Os3(CO)10(PtBu3)2, 3, has been obtained from the reaction of Os3(CO)10(NCMe)2 with Pt(PtBu3)2. Compound 3 adds hydrogen at 0 °C to yield the dihydrido complex Pt2Os3(CO)10(PtBu3)2(μ-H)2, 4 (93% yield) within 10 min and subsequently the tetrahydrido complexPt2Os3(CO)10(PtBu3)2(μ-H)4, 5, in 70% yield within 60 min. Compound 3 contains a trigonal bipyramidal cluster of five metal atoms having the two platinum atoms in the apical sites. With the addition of each equivalent of hydrogen, the trigonal bipyramidal cluster opens by series of Pt-Os bond cleavages that result in sequential shifts of the Pt groups to edges of the Os3 triangle. The hydrogen addition process can be reversed partially at 25 °C by purging solutions of 5 with nitrogen.
| Original language | English |
|---|---|
| Pages (from-to) | 2454-2455 |
| Number of pages | 2 |
| Journal | Journal of the American Chemical Society |
| Volume | 129 |
| Issue number | 9 |
| DOIs | |
| State | Published - Mar 7 2007 |
| Externally published | Yes |
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ASJC Scopus subject areas
- Chemistry(all)
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Facile activation of hydrogen by an unsaturated platinum-osmium cluster complex. / Adams, Richard D.; Captain, Burjor; Zhu, Lei.
In: Journal of the American Chemical Society, Vol. 129, No. 9, 07.03.2007, p. 2454-2455.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Facile activation of hydrogen by an unsaturated platinum-osmium cluster complex
AU - Adams, Richard D.
AU - Captain, Burjor
AU - Zhu, Lei
PY - 2007/3/7
Y1 - 2007/3/7
N2 - The electronically unsaturated platinum-osmium complex Pt2Os3(CO)10(PtBu3)2, 3, has been obtained from the reaction of Os3(CO)10(NCMe)2 with Pt(PtBu3)2. Compound 3 adds hydrogen at 0 °C to yield the dihydrido complex Pt2Os3(CO)10(PtBu3)2(μ-H)2, 4 (93% yield) within 10 min and subsequently the tetrahydrido complexPt2Os3(CO)10(PtBu3)2(μ-H)4, 5, in 70% yield within 60 min. Compound 3 contains a trigonal bipyramidal cluster of five metal atoms having the two platinum atoms in the apical sites. With the addition of each equivalent of hydrogen, the trigonal bipyramidal cluster opens by series of Pt-Os bond cleavages that result in sequential shifts of the Pt groups to edges of the Os3 triangle. The hydrogen addition process can be reversed partially at 25 °C by purging solutions of 5 with nitrogen.
AB - The electronically unsaturated platinum-osmium complex Pt2Os3(CO)10(PtBu3)2, 3, has been obtained from the reaction of Os3(CO)10(NCMe)2 with Pt(PtBu3)2. Compound 3 adds hydrogen at 0 °C to yield the dihydrido complex Pt2Os3(CO)10(PtBu3)2(μ-H)2, 4 (93% yield) within 10 min and subsequently the tetrahydrido complexPt2Os3(CO)10(PtBu3)2(μ-H)4, 5, in 70% yield within 60 min. Compound 3 contains a trigonal bipyramidal cluster of five metal atoms having the two platinum atoms in the apical sites. With the addition of each equivalent of hydrogen, the trigonal bipyramidal cluster opens by series of Pt-Os bond cleavages that result in sequential shifts of the Pt groups to edges of the Os3 triangle. The hydrogen addition process can be reversed partially at 25 °C by purging solutions of 5 with nitrogen.
UR - http://www.scopus.com/inward/record.url?scp=33847609215&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=33847609215&partnerID=8YFLogxK
U2 - 10.1021/ja0688272
DO - 10.1021/ja0688272
M3 - Article
C2 - 17291000
AN - SCOPUS:33847609215
VL - 129
SP - 2454
EP - 2455
JO - Journal of the American Chemical Society
JF - Journal of the American Chemical Society
SN - 0002-7863
IS - 9
ER -