Cas 164987-07-9,[1-carbonyl-1-(η(5)-cyclopentadienyl)-4-methyl-2,2,3-triphenyl-1-trimethylphosphine-1-tungsta-2-phospha-4-thia-bicyclo[1.1.0]butane] tetrafluoroborate/hexafluorophosphate

164987-07-9

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Basic information

Product Name: [1-carbonyl-1-(η(5)-cyclopentadienyl)-4-methyl-2,2,3-triphenyl-1-trimethylphosphine-1-tungsta-2-phospha-4-thia-bicyclo[1.1.0]butane] tetrafluoroborate/hexafluorophosphate
Synonyms:
CAS NO:164987-07-9
Molecular Formula:
Molecular Weight: 906.205
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: [1-carbonyl-1-(η(5)-cyclopentadienyl)-4-methyl-2,2,3-triphenyl-1-trimethylphosphine-1-tungsta-2-phospha-4-thia-bicyclo[1.1.0]butane] tetrafluoroborate/hexafluorophosphate(CAS DataBase Reference)
NIST Chemistry Reference: [1-carbonyl-1-(η(5)-cyclopentadienyl)-4-methyl-2,2,3-triphenyl-1-trimethylphosphine-1-tungsta-2-phospha-4-thia-bicyclo[1.1.0]butane] tetrafluoroborate/hexafluorophosphate(164987-07-9)
EPA Substance Registry System: [1-carbonyl-1-(η(5)-cyclopentadienyl)-4-methyl-2,2,3-triphenyl-1-trimethylphosphine-1-tungsta-2-phospha-4-thia-bicyclo[1.1.0]butane] tetrafluoroborate/hexafluorophosphate(164987-07-9)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 164987-07-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 164987-07-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,9,8 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 164987-07:
(8*1)+(7*6)+(6*4)+(5*9)+(4*8)+(3*7)+(2*0)+(1*7)=179
179 % 10 = 9
So 164987-07-9 is a valid CAS Registry Number.

164987-07-9Upstream product

5799-67-7 dimethyl(methylthio)sulfonium tetrafluoroborate

164987-07-9Downstream Products

164987-07-9Relevant academic research and scientific papers

Amphiphilie kationischer η2-Phosphinocarbenkomplexe des Wolframs

Ostermeier, J.,Hiller, W.,Kreissl, F. R.

, p. 283 - 290 (2007/10/02)

η2-Phosphinocarbene complexes of tungsten containing a trimethyl-phosphine ligand show an amphiphilic behavior.With the Lewis acid SMe+ an electrophilic attack occurs at the metal-carbon double bond to give 1-tungsta-2-phospha-4-thiabicyclobutane complexes.On the contrary the Lewis base, PMe3, adds at the carbene carbon atom to yield a cationic trimethylphosphoraneylidene complex.However, treatment of dicarbonyl(η5-cyclopentadienyl)2-(diphenylphosphino)methylcarbene>-tungsten-tetraphenylborate with the less nucleophilic triethylamine causes deprotonation at the methyl group providing dicarbonyl(η5-cyclopentadienyl)-η2-diphenylphosphinovinyltungsten.Keywords: Tungsten; Amphiphilic carbene complexes; Phosphino carbene complexes

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