Cas 177543-85-0,2-(1-Benzenesulfonyl-3-oxo-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-2-yl)-2-hydroxy-malonic acid diethyl ester

177543-85-0

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Basic information

Product Name: 2-(1-Benzenesulfonyl-3-oxo-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-2-yl)-2-hydroxy-malonic acid diethyl ester
Synonyms: 2-(1-Benzenesulfonyl-3-oxo-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-2-yl)-2-hydroxy-malonic acid diethyl ester
CAS NO:177543-85-0
Molecular Formula:
Molecular Weight: 448.453
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: 2-(1-Benzenesulfonyl-3-oxo-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-2-yl)-2-hydroxy-malonic acid diethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 2-(1-Benzenesulfonyl-3-oxo-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-2-yl)-2-hydroxy-malonic acid diethyl ester(177543-85-0)
EPA Substance Registry System: 2-(1-Benzenesulfonyl-3-oxo-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-2-yl)-2-hydroxy-malonic acid diethyl ester(177543-85-0)

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: 177543-85-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 177543-85-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,5,4 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 177543-85:
(8*1)+(7*7)+(6*7)+(5*5)+(4*4)+(3*3)+(2*8)+(1*5)=170
170 % 10 = 0
So 177543-85-0 is a valid CAS Registry Number.

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177543-85-0Relevant academic research and scientific papers

Synthesis and reactivity of (3-oxo-2,3-dihydro-1H-indol-2-ylidene)acetic acid alkyl esters in Diels-Alder reactions

Mérour, Jean-Yves,Chichereau, Lucien,Desarbre, Eric,Gadonneix, Philippe

, p. 519 - 524 (1996)

Aldolization reactions of 1-acetyl-1H-indol-3(2H)-one with glyoxal derivatives afforded (1-acetyl-3-oxo-2,3-dihydro-1H-indol-2-ylidene)acetic acid ester derivatives 2 and 3. Spiro compounds 6 were obtained by Diels-Alder reactions of 2; inverse electron demand Diels-Alder reactions of 2 afforded pyrano indoles 8.

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