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1239024-14-6

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1239024-14-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239024-14-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,0,2 and 4 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1239024-14:
(9*1)+(8*2)+(7*3)+(6*9)+(5*0)+(4*2)+(3*4)+(2*1)+(1*4)=126
126 % 10 = 6
So 1239024-14-6 is a valid CAS Registry Number.

1239024-14-6Relevant articles and documents

Rhodium(III)-Catalyzed Redox-Neutral Cascade [3 + 2] Annulation of N-Phenoxyacetamides with Propiolates via C-H Functionalization/Isomerization/Lactonization

Pan, Jin-Long,Chen, Chao,Hao, Yu,Liu, Chang,Bai, He-Yuan,Ding, Jun,Zhang, Shu-Yu,Wang, Li-Ren,Xie, Peipei,Xia, Yuanzhi

, p. 7131 - 7136 (2018/12/14)

A Rh(III)-catalyzed cascade [3 + 2] annulation of N-phenoxyacetamides with propiolates under mild conditions using the internal oxidative O-N bond as the directing group has been achieved. This catalytic system provides a regio- and stereoselective access to benzofuran-2(3H)-ones bearing exocyclic enamino motifs with exclusive Z configuration selectivity, acceptable to good yields and good functional group compatibility. Mechanistic investigations by experimental and density functional theory studies suggest that a consecutive process of C-H functionalization/isomerization/lactonization is likely to be involved in the reaction.

Copper-mediated synthesis of substituted 2-aryl-N-benzylbenzimidazoles and 2-arylbenzoxazoles via C-H functionalization/C-N/C-O bond formation

Guru, Murali Mohan,Ali, Md Ashif,Punniyamurthy, Tharmalingam

, p. 5295 - 5308 (2011/08/05)

An efficient method for the transformation of N-benzyl bisarylhydrazones and bisaryloxime ethers to functionalized 2-aryl-N-benzylbenzimidazoles and 2-arylbenzoxazoles is described. The protocol involves a copper(II)-mediated cascade C-H functionalization/C-N/C-O bond formation under neutral conditions. Substrates having either electron-donating or -withdrawing substituents undergo the cyclization to afford the target heterocycles at moderate temperature.

Fluorous tagged N-hydroxy phthalimide for the parallel synthesis of O-aryloxyamines

Gaucher-Wieczorek, Florence S.,Maillard, Ludovic T.,Badet, Bernard,Durand, Philippe

scheme or table, p. 655 - 658 (2010/10/21)

The parallel synthesis of O-aryloxyamines remains an unfulfilled need in the field of medicinal chemistry and fragment-based approaches. To fill this gap a solution-phase two-step process based on (1) a copper-catalyzed cross-coupling of aryl boronic acid

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