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The chemical compound "WBr2(CO)(P(CH3)2C6H5)(C7H8)" is a complex organometallic compound consisting of a tungsten (W) center. It features two bromine (Br) atoms, a carbonyl (CO) ligand, a diphenylphosphine ligand with two methyl groups (P(CH3)2C6H5), and a cycloheptatriene (C7H8) ligand. WBr2(CO)(P(CH3)2C6H5)(C7H8) is characterized by its unique electronic structure and steric environment, which are influenced by the various ligands attached to the tungsten atom. The presence of bromine atoms and the carbonyl group suggests potential applications in catalytic processes, while the phosphine and cycloheptatriene ligands contribute to the compound's stability and reactivity. The specific arrangement and bonding of these groups around the tungsten center are crucial for understanding its chemical properties and potential uses in various chemical transformations.

84878-71-7

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84878-71-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84878-71-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,8,7 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 84878-71:
(7*8)+(6*4)+(5*8)+(4*7)+(3*8)+(2*7)+(1*1)=187
187 % 10 = 7
So 84878-71-7 is a valid CAS Registry Number.

84878-71-7Downstream Products

84878-71-7Relevant academic research and scientific papers

SYNTHESIS OF COORDINATIVELY UNSATURATED DIOLEFIN COMPLEXES OF TUNGSTEN(II)

Davidson, Jack L.,Vasapollo, Giuseppe

, p. C24 - C26 (1983)

reacts with cycloocta-1,5-diene, cyclooctatetraene and norbornadiene (LL) to give complexes 2 (I) which react with Lewis bases (L) t, PMe2Ph, (POMe)3> to give coordinatively unsaturated diene complexes WBr2CO(L

Co-ordinatively Unsaturated Diene Complexes of Tungsten(II) and their Reactions with Nucleophiles to give Six- and Seven-co-ordinate Derivatives

Davidson, Jack L.,Vasapollo, Guiseppe

, p. 2231 - 2238 (2007/10/02)

2> reacts with the 'dienes' (L') cyclo-octa-1,5-diene (cod), cyclo-octatetraene (cot), and norbornadiene (bicyclohepta-2,5-diene, nbd) to give co-ordinatively unsaturated complexes .These react with Lewis bases L t, PMe2Ph, or P(OMe)3> (1:1 molar ratio) to give co-ordinatively unsaturated diene complexes via intermediate 1:1 adducts isolated in the case of the norbornadiene complexes.With a 3:1 molar ratio of ligand:metal, displacement of cod or cot occurs to give t>, while a 4:1 molar ratio (L=CNBut) gives t)4>.In contrast, forms monocarbonyl diene complexes 2=2,2'-bipyridyl>.Proton and 31P n.m.r. studies of reveal the presence of two isomeric forms which exhibit dynamic stereochemistry at ambient temperature while the static form of one isomer could be detected at lower temperatures.

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