Cas 123475-50-3,5-Ethyl-3-oxo-2-(triphenyl-λ<sup>5</sup>-phosphanylidene)-hexanedioic acid di-tert-butyl ester

123475-50-3

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Basic information

Product Name: 5-Ethyl-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-hexanedioic acid di-tert-butyl ester
Synonyms:
CAS NO:123475-50-3
Molecular Formula:
Molecular Weight: 560.67
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-Ethyl-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-hexanedioic acid di-tert-butyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 5-Ethyl-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-hexanedioic acid di-tert-butyl ester(123475-50-3)
EPA Substance Registry System: 5-Ethyl-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-hexanedioic acid di-tert-butyl ester(123475-50-3)

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: 123475-50-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 123475-50-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,4,7 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 123475-50:
(8*1)+(7*2)+(6*3)+(5*4)+(4*7)+(3*5)+(2*5)+(1*0)=113
113 % 10 = 3
So 123475-50-3 is a valid CAS Registry Number.

123475-50-3Upstream product

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123475-50-3Relevant academic research and scientific papers

Oxidation of ylide precursors to vicinal tricarbonyls. Applications in vincamine alkaloid synthesis

Wasserman,Kuo

, p. 7071 - 7082 (1992)

Attachment of carbethoxyalkyl residues to an α,β-diketo ester provides dielectrophilic species applicable to the synthesis of the vincamine alkaloids, eburnamonine and tacamonine. The required vicinal tricarbonyl aggregates were formed by oxidation of suitable ylide precursors with ozone or singlet oxygen.

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