Cas 181256-80-4,5-[1-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-prop-(E)-ylidene]-3,3-diphenyl-4-(2,4,6-trimethyl-phenyl)-4,5-dihydro-3H-[1,2,4]diazaphosphole

181256-80-4

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Product Name: 5-[1-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-prop-(E)-ylidene]-3,3-diphenyl-4-(2,4,6-trimethyl-phenyl)-4,5-dihydro-3H-[1,2,4]diazaphosphole
Synonyms: 5-[1-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-prop-(E)-ylidene]-3,3-diphenyl-4-(2,4,6-trimethyl-phenyl)-4,5-dihydro-3H-[1,2,4]diazaphosphole
CAS NO:181256-80-4
Molecular Formula:
Molecular Weight: 680.945
EINECS: N/A
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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: 5-[1-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-prop-(E)-ylidene]-3,3-diphenyl-4-(2,4,6-trimethyl-phenyl)-4,5-dihydro-3H-[1,2,4]diazaphosphole(CAS DataBase Reference)
NIST Chemistry Reference: 5-[1-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-prop-(E)-ylidene]-3,3-diphenyl-4-(2,4,6-trimethyl-phenyl)-4,5-dihydro-3H-[1,2,4]diazaphosphole(181256-80-4)
EPA Substance Registry System: 5-[1-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-prop-(E)-ylidene]-3,3-diphenyl-4-(2,4,6-trimethyl-phenyl)-4,5-dihydro-3H-[1,2,4]diazaphosphole(181256-80-4)

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Safety Statements: N/A
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Hazardous Substances Data: 181256-80-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 181256-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,2,5 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 181256-80:
(8*1)+(7*8)+(6*1)+(5*2)+(4*5)+(3*6)+(2*8)+(1*0)=134
134 % 10 = 4
So 181256-80-4 is a valid CAS Registry Number.

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181256-80-4Relevant academic research and scientific papers

Synthesis of 5-alkylidene-4,5-dihydro-3H-1,2,4(λ3)-diazaphospholes from α-silyl-α-diazoketones and phosphaalkenes

Manz, Berthold,Maas, Gerhard

, p. 10053 - 10072 (2007/10/03)

5-Alkylidene-4,5-dihydro-3H-1,2,4(λ3)-diazaphospholes (II) arise from a [3+2]cycloaddition reaction between various, differently substituted phosphaalkenes and 2-siloxy-1-diazoalkenes that are present to a minor extent in a thermal equilibrium with α-silyl-α-diazoketones. The cycloaddition products 4a-g, 6a,b,e,f and 8 are sufficiently thermally stable to be isolated. In other cases, silyl group migration (ring-C → N or O → N) leads to isomeric N-silyl-1,2,4-diazaphospholes.

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