Cas 254099-17-7,3-allyloxy-6-(<i>tert</i>-butyl-diphenyl-silanyloxymethyl)-2-trimethylsilanylethynyl-3,6-dihydro-2<i>H</i>-pyran

254099-17-7

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Basic information

Product Name: 3-allyloxy-6-(tert-butyl-diphenyl-silanyloxymethyl)-2-trimethylsilanylethynyl-3,6-dihydro-2H-pyran
Synonyms: 3-allyloxy-6-(tert-butyl-diphenyl-silanyloxymethyl)-2-trimethylsilanylethynyl-3,6-dihydro-2H-pyran
CAS NO:254099-17-7
Molecular Formula:
Molecular Weight: 504.817
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: 3-allyloxy-6-(tert-butyl-diphenyl-silanyloxymethyl)-2-trimethylsilanylethynyl-3,6-dihydro-2H-pyran(CAS DataBase Reference)
NIST Chemistry Reference: 3-allyloxy-6-(tert-butyl-diphenyl-silanyloxymethyl)-2-trimethylsilanylethynyl-3,6-dihydro-2H-pyran(254099-17-7)
EPA Substance Registry System: 3-allyloxy-6-(tert-butyl-diphenyl-silanyloxymethyl)-2-trimethylsilanylethynyl-3,6-dihydro-2H-pyran(254099-17-7)

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: 254099-17-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 254099-17-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,4,0,9 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 254099-17:
(8*2)+(7*5)+(6*4)+(5*0)+(4*9)+(3*9)+(2*1)+(1*7)=147
147 % 10 = 7
So 254099-17-7 is a valid CAS Registry Number.

254099-17-7Upstream product

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254099-17-7Relevant academic research and scientific papers

First Pauson-Khand reaction on sugar acetylenes

Isobe, Minoru,Takai, Shigeyuki

, p. 122 - 125 (1999)

Pauson-Khand reaction was achieved on the sugar acetylenes having an allylic ether substituent at the two-position of the tetrahydropyran ring to provide tri-cyclic products with high stereospecificity. This is the first example of Pauson-Khand reactions with compounds on carbohydrate or tetrahydropyranose ring, and the scope is described.

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