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84039-66-7

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84039-66-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84039-66-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,0,3 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 84039-66:
(7*8)+(6*4)+(5*0)+(4*3)+(3*9)+(2*6)+(1*6)=137
137 % 10 = 7
So 84039-66-7 is a valid CAS Registry Number.

84039-66-7Downstream Products

84039-66-7Relevant articles and documents

Visible-light-mediated direct access to α-ketoamides by dealkylative amidation of tertiary amines with benzoylformic acids

Zhang, Zhiguo,Liu, Fangnan,Chen, Jingwen,Zhou, Kai,Bao, Zongbi,Su, Baogen,Yang, Qiwei,Ren, Qilong,Yang, Yiwen

supporting information, (2019/10/02)

A visible-light induced direct amidation of benzoylformic acids with tertiary amines has been explored. Tertiary amines underwent N-dealkylative amidation with α-keto acid in the presence of [Ir{dFCF3ppy}2(bpy)]PF6 and Cs

Novel Synthesis of α-Keto Esters and Amides by an sp3 C-H Oxidation of Nitromethyl Aryl Ketones Promoted by Ion-Supported (Diacetoxyiodo)benzene

Jiang, Xiaoying,Gan, Bing,Liu, Jiwei,Xie, Yuanyuan

supporting information, p. 2737 - 2741 (2016/11/25)

A simple and efficient method is described for the preparation of α-keto esters or amides from nitromethyl aryl ketones. In the presence of nucleophiles (alcohols or amines), the ion-supported (di-acetoxyiodo)benzene-promoted sp3 C-H oxidation of nitromethyl aryl ketones proceeded efficiently under mild conditions to give the corresponding α-keto esters and amides in moderate to good yields. This is the first reported use of (diacetoxyiodo)benzene in the synthesis of α-keto esters and amides. The reaction is ecofriendly and has the -advantages of mild conditions, short reaction times, and a recyclable reagent.

Synthesis of α -Ketoamides by Copper-Catalyzed Reactions of Phenylacetic Acids with N,N -Dialkylformamides

Zhang, Lanping,Pu, Junnan,Ren, Jiayu,Li, Zhengkai,Xiang, Haifeng,Zhou, Xiangge

, p. 1848 - 1856 (2015/08/03)

A new synthetic approach for α-ketoamides was achieved by copper-catalyzed coupling reactions between N,N-dialkylformamides and phenylacetic acids. A variety of substrates were well tolerated to give yields of 46-87% (17 examples). A 13C-labeli

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