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351-12-2

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351-12-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 351-12-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,5 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 351-12:
(5*3)+(4*5)+(3*1)+(2*1)+(1*2)=42
42 % 10 = 2
So 351-12-2 is a valid CAS Registry Number.

351-12-2Downstream Products

351-12-2Relevant articles and documents

Transition-Metal-Free Conversion of Trifluoropropanamides into Cyanoformamides through C-CF3 Bond Cleavage and Nitrogenation

Wang, Fang,Zhang, Tao,Tu, Hai-Yong,Zhang, Xing-Guo

, p. 5475 - 5480 (2017)

A new transition-metal-free transformation of trifluoropropanamides into cyanoformamides through a sequence of C-CF3 bond cleavage and nitrogenation using tert-butyl nitrite as the nitrogen source is described. The method features direct detrifluoromethylation, broad substrate scopes, and excellent selectivity control, representing a new shortcut for constructing the nitrile group involving C-CF3 σ-bond cleavage.

Copper-Catalyzed Selective Defluorinative Sulfuration of Trifluoropropanamides Leading to α-Fluorothioacrylamides

Shen, Xiao-Qin,Wang, Sui-Qian,Fan, Dongfeng,Zhang, Xing-Guo,Tu, Hai-Yong

, p. 1591 - 1600 (2021)

A practical and efficient method for the synthesis of α-fluorothioacrylamide was developed from selective defluorinative sulfuration of trifluoropropanamides with disulfides. The N-chelation-assisted copper-catalyzed defluorination and sulfurization reactions feature excellent functional group tolerance and incorporation of both sulfur atoms of disulfides into acrylamides.

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