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101970-29-0

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101970-29-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 101970-29-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,9,7 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 101970-29:
(8*1)+(7*0)+(6*1)+(5*9)+(4*7)+(3*0)+(2*2)+(1*9)=100
100 % 10 = 0
So 101970-29-0 is a valid CAS Registry Number.

101970-29-0Relevant articles and documents

Electrocatalytic carboxylation of aromatic ketones with carbon dioxide in ionic liquid 1-butyl-3-methylimidazoliumtetrafluoborate to α-hydroxy- carboxylic acid methyl ester

Feng, Qiuju,Huang, Kelong,Liu, Suqin,Yu, Jingang,Liu, Fangfei

, p. 5137 - 5141 (2011)

A new electrochemical procedure for the electrocatalytic carboxylation of aromatic ketones with carbon dioxide in ionic liquid, 1-butyl-3- methylimidazolium tetrafluoborate (BMIMBF4), to α- hydroxycarboxylic acid methyl ester was investigated for the first time. The electrochemical behavior of acetophenone in BMIMBF4 was studied by cyclic voltammetry with a reduction peak at -1.9 V (vs. Ag). The electrolyses experiments were carried out in an undivided cell under mild conditions without any toxic solvents, catalysts and supporting electrolytes, followed by addition of an alkylating agent, affording the α-hydroxycarboxylic acid methyl ester in a moderate yield (62%). The results showed that the yields were strongly affected by various factors: temperature, current density, charge passed, electrode material and substrate concentration. Moreover, the ionic liquid was successfully recycled for this reaction.

Highly regioselective Friedel-Crafts reactions of electron-rich aromatic compounds with pyruvate catalyzed by Lewis acid-base: Efficient synthesis of pesticide cycloprothrin

Si, Yu-Gui,Chen, Jun,Li, Fan,Li, Jin-Hua,Qin, Ye-Jun,Jiang, Biao

, p. 898 - 904 (2007/10/03)

An efficient synthesis of aromatic lactate esters is reported via highly regioselective Friedel-Crafts reactions of electron-rich aromatic compounds with pyruvate ester promoted by TiCl4 in the presence of basic Al 2O3. The utility of the reaction is shown by the efficient synthesis of the pesticide cycloprothrin in high yield.

New synthesis of 3-aryl-N-n-propyl-piperidines

Chang, Meng-Yang,Chen, Shui-Tein,Chang, Nein-Chen

, p. 3623 - 3628 (2007/10/03)

The synthesis of 3-aryl-N-n-propyl-piperidines is described in six steps starting from α-sulfonyl acetamide via the formal [3+3] cycloaddition reaction.

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