Cas 1224583-11-2,5-(4-bromophenyl)-4,4-difluoro-3-oxo-2-(triphenylphosphoranylidene)-δ-valerolactone

1224583-11-2

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Basic information

Product Name: 5-(4-bromophenyl)-4,4-difluoro-3-oxo-2-(triphenylphosphoranylidene)-δ-valerolactone
Synonyms:
CAS NO:1224583-11-2
Molecular Formula:
Molecular Weight: 565.351
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: 5-(4-bromophenyl)-4,4-difluoro-3-oxo-2-(triphenylphosphoranylidene)-δ-valerolactone(CAS DataBase Reference)
NIST Chemistry Reference: 5-(4-bromophenyl)-4,4-difluoro-3-oxo-2-(triphenylphosphoranylidene)-δ-valerolactone(1224583-11-2)
EPA Substance Registry System: 5-(4-bromophenyl)-4,4-difluoro-3-oxo-2-(triphenylphosphoranylidene)-δ-valerolactone(1224583-11-2)

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: 1224583-11-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1224583-11-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,4,5,8 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1224583-11:
(9*1)+(8*2)+(7*2)+(6*4)+(5*5)+(4*8)+(3*3)+(2*1)+(1*1)=132
132 % 10 = 2
So 1224583-11-2 is a valid CAS Registry Number.

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1224583-11-2Relevant academic research and scientific papers

One-pot synthesis of 4,4-difluoro-3-oxo-2-(triphenylphosphoranylidene)-δ-lactones by Reformatsky reaction

Fang, Xiang,Yang, Xueyan,Zhao, Min,Di, Qingfeng,Wang, Xiaoguang,Wu, Fanhong

, p. 974 - 978 (2009)

In th presence of zinc and a catalytic amount of cuprous chloride, ethyl 4-bromo-4,4-difluoro-3-oxo-2-(triphenylphosphoranylidene)butanoate 1 reacted with carbonyl compounds to give the gem-difluoromethylenated 2-(triphenylphosphoranylidene)-δ-lactones 4

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