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2,3-Bis-(3,4,5-trimethoxy-benzoyl)-succinic acid diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

188249-84-5

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188249-84-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188249-84-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,2,4 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 188249-84:
(8*1)+(7*8)+(6*8)+(5*2)+(4*4)+(3*9)+(2*8)+(1*4)=185
185 % 10 = 5
So 188249-84-5 is a valid CAS Registry Number.

188249-84-5Relevant academic research and scientific papers

Efficient selective formation of C-C single bonds and C=C double bonds by NBS-promoted oxidative coupling of β-keto esters

Wang, Zhiguo,Yin, Guodong,Chen, Aihua,Hu, Shengli,Wu, Anxin

, p. 4399 - 4405 (2007)

A new application of NBS, which results in the oxidative coupling of β-keto esters to selectively form C-C single and C=C double bonds, can be controlled by the amount of NBS and t-BuOK employed. This methodology adds a new entry to C-C single and C=C double-bond formation between active methylene groups under mild conditions with high selectivity. Copyright Taylor & Francis Group, LLC.

A novel synthetic route to furan-lignans

Wu, Anxin,Wang, Mingyi,Pan, Xinfu

, p. 2087 - 2091 (2007/10/03)

Three naturally occurring furan-lignans and two analogs have been synthesized by a short and efficient route starting from the corresponding aryl acid. The selective reductive removal of allylic hydroxy by palladium oxide in a mixed solvent of THF-CHCl3 was employed as the key step.

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