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1333119-98-4

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1333119-98-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1333119-98-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,3,1,1 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1333119-98:
(9*1)+(8*3)+(7*3)+(6*3)+(5*1)+(4*1)+(3*9)+(2*9)+(1*8)=134
134 % 10 = 4
So 1333119-98-4 is a valid CAS Registry Number.

1333119-98-4Relevant articles and documents

Copper-Catalyzed coupling of oxime acetates with aldehydes: A new strategy for synthesis of pyridines

Ren, Zhi-Hui,Zhang, Zhi-Yuan,Yang, Bing-Qin,Wang, Yao-Yu,Guan, Zheng-Hui

, p. 5394 - 5397 (2011)

Copper-catalyzed coupling of oxime acetates with aldehydes offers a new strategy for the synthesis of highly substituted pyridines. This novel method tolerates a wide range of functionality and allows for rapid elaboration of the oxime acetates into a variety of substituted pyridines.

Iron-Catalyzed Cyclization of Ketoxime Carboxylates and Tertiary Anilines for the Synthesis of Pyridines

Zhao, Mi-Na,Ren, Zhi-Hui,Yu, Le,Wang, Yao-Yu,Guan, Zheng-Hui

supporting information, p. 1194 - 1197 (2016/03/15)

A novel and efficient iron-catalyzed cyclization of ketoxime carboxylates and N,N-dialkylanilines for the modular synthesis of diverse pyridines was developed. The reaction was initiated by Fe-catalyzed N-O bond cleavage of ketoxime carboxylates in the presence of tertiary anilines. The methylene carbon on N,N-dialkylanilines functioned as a source of one-carbon synthon in the reaction. The reaction used readily available starting materials, tolerated various functional groups, and afforded 2,4-disubstituted and 2,4,6-trisubstituted pyridines in good to high yields under mild conditions.

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