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87281-54-7

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87281-54-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87281-54-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,8 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 87281-54:
(7*8)+(6*7)+(5*2)+(4*8)+(3*1)+(2*5)+(1*4)=157
157 % 10 = 7
So 87281-54-7 is a valid CAS Registry Number.

87281-54-7Relevant academic research and scientific papers

Synthesis of Aliphatic Carboxamides Mediated by Nickel NN2-Pincer Complexes and Adaptation to Carbon-Isotope Labeling

Neumann, Karoline T.,Donslund, Aske S.,Andersen, Thomas L.,Nielsen, Dennis U.,Skrydstrup, Troels

supporting information, p. 14946 - 14949 (2018/09/25)

The development of a nickel-mediated aminocarbonylation utilizing NN2-pincer Ni-complexes, alkylzinc reagents, stoichiometric carbon monoxide and amines is described for the first time, which can be adapted to late-stage carbon-isotope labeling. This work expands the scope of the highly established palladium-promoted version of the reaction, by allowing carbon-sp3 fragments to take part in the three-component reaction. Finally, the results obtained show a remarkable effect of the pincer ligand for the reductive elimination step with the amine, which is followed by 13C NMR spectroscopy studies.

Polymer-anchored Ru(II) complex as an efficient catalyst for the synthesis of primary amides from nitriles and of secondary amides from alcohols and amines

Islam, Sk Manirul,Ghosh, Kajari,Roy, Anupam Singha,Molla, Rostam Ali

, p. 900 - 907 (2015/02/19)

A polymer-anchored ruthenium(II) catalyst was synthesized and characterized. Its catalytic activity was evaluated for the preparation of primary amides from aqueous hydration of nitriles in neutral condition. A range of nitriles were successfully converted to their corresponding amides in good to excellent yields. The catalyst was also effective in the preparation of secondary amides from the coupling of alcohols and amines. The catalyst can be facilely recovered and reused six times without a significant decrease in its activity.

Radical Translocation Reactions across Amides. 1,5-Hydrogen-Transfer Reactions of o-Iodobenzamides and N-(o-Iodobenzyl) Amides

Curran, Dennis P.,Liu, Hohgtao

, p. 1377 - 1394 (2007/10/02)

Radicals derived from N,N-disubstituted o-iodobenzamides undergo rapid 1,5-hydrogen-transfer reactions.The regioselectivity of these reactions is coupled to the rotamer population of the starting iodobenzamide, and the products vary with changing amide substituents.Related 1,5-hydrogen-transfer reactions are observed for N-alkyl-N-(o-iodobenzyl)-benzamides and -acetamides.

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