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Synthesis, characterisation and reactivity of group six alkylidynes bearing the tridentate phosphine PPh(C2H4PPh2)(2) 'triphos'. Crystal structure of mer-[W(NCMe)( CC6H4Me-4){PPh(C2H4PPh2)(2)}(CO)][BF4]

Abstract:

Reaction between [WBr(≡CC6H4Me-4)(NC5H5Me-4)2(CO)2] and the tridentate, linear, phosphine PPh(CH2CH2PPh2)2 (triphos) in refluxing toluene affords mer-[WBr(≡CC6H4Me-4){PPh(C2H4PPh2)2}(CO)], 1. Halide abstraction (with TIBF4) in CH2Cl2 solvent results in carbonyl scavenging to afford the cationic dicarbonyl species fac-[WBr(≡CC6H4Me-4){PPh(C2H4PPh2)2}(CO)2][BF4], 2, whereas removal of the halide in acetonitrile solvent affords the complex mer-[W(NCMe)(≡CC6H4Me-4){PPh(C2H4PPh2)2}(CO)][BF4], 3. P...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Role:
Author
Journal:
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume:
548
Issue:
2
Pages:
195-203
Publication date:
1997-12-10
DOI:
ISSN:
0022-328X
URN:
uuid:6d823caa-20c4-4beb-830e-2526482a71c5
Source identifiers:
51735
Local pid:
pubs:51735
Language:
English

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