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126976-31-6

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126976-31-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126976-31-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,9,7 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 126976-31:
(8*1)+(7*2)+(6*6)+(5*9)+(4*7)+(3*6)+(2*3)+(1*1)=156
156 % 10 = 6
So 126976-31-6 is a valid CAS Registry Number.

126976-31-6Downstream Products

126976-31-6Relevant articles and documents

Direct Electrochemical Defluorinative Carboxylation of gem-Difluoroalkenes with Carbon Dioxide

Xie, Shi-Liang,Gao, Xiao-Tong,Wu, Hai-Hong,Zhou, Feng,Zhou, Jian

, p. 8424 - 8429 (2020/11/03)

We report a facile and economical synthesis of α-fluoroacrylic acids via direct electrochemical defluorinative carboxylation of gem-difluoroalkenes with CO2. By using a platinum plate as the working cathode and a cheap nickel plate as the anode in a user-friendly undivided cell under constant current conditions, the reactions proceed smoothly under room temperature, without the use of expensive transition metal catalysts, ligands, external base or reductant, affording the desired adducts in up to 83% yield and 20:1 Z/E ratio, with good functional group tolerance. A cyclic voltammetry study was conducted and suggested a novel ECEC process.

Selective C-F bond carboxylation of: Gem -difluoroalkenes with CO2 by photoredox/palladium dual catalysis

Zhu, Chuan,Zhang, Yu-Feng,Liu, Ze-Yao,Zhou, Lu,Liu, Haidong,Feng, Chao

, p. 6721 - 6726 (2019/07/17)

The catalytic C-F bond carboxylation of organofluorines with CO2 gas remains a challenging problem in synthetic chemistry. Here, we describe a selective defluorinative carboxylation of gem-difluoroalkenes through photoredox/palladium dual catal

Stereospecific synthesis of tri- and tetrasubstituted α-fluoroacrylates by mizoroki-heck reaction

Rousée, Kevin,Bouillon, Jean-Philippe,Couve-Bonnaire, Samuel,Pannecoucke, Xavier

supporting information, p. 540 - 543 (2016/02/18)

Ligand-free, efficient, palladium-catalyzed Mizoroki-Heck reaction between methyl α-fluoroacrylate and arene or hetarene iodides is reported for the first time. The reaction is stereospecific and provides fair to quantitative yields of fluoroalkenes. The Mizoroki-Heck reaction starting from more hindered and usually reluctant trisubstituted acrylate, to access tetrasubstituted fluoroalkenes, is also reported. Finally, the use of a three-step synthesis sequence, including Mizoroki-Heck reaction, allows the synthesis of fluorinated analogues of therapeutic agents with high yield.

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