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22871-49-4

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22871-49-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22871-49-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,8,7 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22871-49:
(7*2)+(6*2)+(5*8)+(4*7)+(3*1)+(2*4)+(1*9)=114
114 % 10 = 4
So 22871-49-4 is a valid CAS Registry Number.

22871-49-4Downstream Products

22871-49-4Relevant articles and documents

Decarboxylative thioamidation of arylacetic and cinnamic acids: A new approach to thioamides

Guntreddi, Tirumaleswararao,Vanjari, Rajeshwer,Singh, Krishna Nand

supporting information, p. 3624 - 3627 (2014/08/05)

A new decarboxylative strategy has been developed for the synthesis of thioamides via a three-component reaction involving arylacetic or cinnamic acids, amines and elemental sulfur powder, without the need of a transition metal and an external oxidant.

A new versatile one-pot synthesis of functionalized thioamides from Grignards, carbon disulfide and amines

Katritzky,Moutou,Yang

, p. 1497 - 1505 (2007/10/02)

The one-pot successive reactions of Grignard reagents with carbon disulfide and amines mediated by 1-trifluoromethylsulfonylbenzotriazole or triflic anhydride, provide an attractive and general route to thioamides. A wide variety of amines (primary alkyl, arylalkyl, secondary alkyl, cyclic amines, aniline, N-substituted anilines, heterocyclic amidines, amino alcohols, amino ethers, amino acetals, amino ketones, amino esters, amino amides (peptides), aminoalkenes, and diamines) and Grignards (primary alkyl, arylalkyl, aryl, secondary alkyl and tertiary alkyl) can be used, and thioamides are generally formed in good to moderate yields.

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