Cas 543741-95-3,4-tert-butoxy-6-(tert-butoxycarbonyl-phenyl-methoxy)-6-ethyl-5-methyl-5,6-dihydro-4H-pyran-2-carboxylic acid methyl ester

543741-95-3

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Basic information

Product Name: 4-tert-butoxy-6-(tert-butoxycarbonyl-phenyl-methoxy)-6-ethyl-5-methyl-5,6-dihydro-4H-pyran-2-carboxylic acid methyl ester
Synonyms: 4-tert-butoxy-6-(tert-butoxycarbonyl-phenyl-methoxy)-6-ethyl-5-methyl-5,6-dihydro-4H-pyran-2-carboxylic acid methyl ester
CAS NO:543741-95-3
Molecular Formula:
Molecular Weight: 462.584
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: 4-tert-butoxy-6-(tert-butoxycarbonyl-phenyl-methoxy)-6-ethyl-5-methyl-5,6-dihydro-4H-pyran-2-carboxylic acid methyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 4-tert-butoxy-6-(tert-butoxycarbonyl-phenyl-methoxy)-6-ethyl-5-methyl-5,6-dihydro-4H-pyran-2-carboxylic acid methyl ester(543741-95-3)
EPA Substance Registry System: 4-tert-butoxy-6-(tert-butoxycarbonyl-phenyl-methoxy)-6-ethyl-5-methyl-5,6-dihydro-4H-pyran-2-carboxylic acid methyl ester(543741-95-3)

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: 543741-95-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 543741-95-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,3,7,4 and 1 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 543741-95:
(8*5)+(7*4)+(6*3)+(5*7)+(4*4)+(3*1)+(2*9)+(1*5)=163
163 % 10 = 3
So 543741-95-3 is a valid CAS Registry Number.

543741-95-3Upstream product

207557-90-2 4-tert-butoxymethylenepyruvic acid methyl ester

543741-95-3Downstream Products

543741-96-4 (2R,4R,5R,6R)-4-tert-Butoxy-6-((R)-tert-butoxycarbonyl-phenyl-methoxy)-6-ethyl-5-methyl-tetrahydro-pyran-2-carboxylic acid methyl ester

543741-95-3Relevant academic research and scientific papers

Remarkable stereocontrol in the synthesis of 1,2,3,5-tetrasubstituted tetrahydropyrans via an asymmetric heterocycloaddition of a ketone-derived enol ether

Gong, Junfang,Bonfand, Eric,Brown, Eric,Dujardin, Gilles,Michelet, Véronique,Genêt, Jean-Pierre

, p. 2141 - 2144 (2003)

The synthesis of chiral 1,2,3,5-substituted tetrahydropyrans has been realized via an asymmetric hetero Diels-Alder (HDA) reaction. The key step that involved a trisubstituted chiral enol ether derived from (R)-mandelic acid as the dienophile promoted the

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