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66985-49-7

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66985-49-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66985-49-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,9,8 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 66985-49:
(7*6)+(6*6)+(5*9)+(4*8)+(3*5)+(2*4)+(1*9)=187
187 % 10 = 7
So 66985-49-7 is a valid CAS Registry Number.

66985-49-7Relevant articles and documents

Synthesis, Crystal Structure, and Catalytic Properties of Porous 3d-4f Heterometallic Coordination Polymers Constructed from Pyrazine-2,3-dicarboxylic Acid

Yang, Ting-Hai,Silva, Ana Rosa,Fu, Lianshe,Shi, Fa-Nian

, p. 1801 - 1808 (2017)

Reactions of pyrazine-2,3-dicarboxylic acid (H2pzdc), cobalt nitrate and lanthanide (Ln) oxide under hydrothermal conditions result in four new 3d-4f heterometal coordination polymers, namely, [Ln2Co(pzdc)4(H2O)

Cyanosilylation of carbonyl compounds catalyzed by half-sandwich (η6-p-cymene) Ruthenium(II) complexes bearing heterocyclic hydrazone derivatives

Alves, Luis G.,Bharathi, Madheswaran,Indira, Sekar,Martins, Ana M.,Shanmuga Bharathi, Kuppannan,Vinoth, Govindasamy

, (2020/10/02)

A new class of half-sandwich (?6-p-cymene) ruthenium(II) complexes supported by heterocyclic hydrazone derivatives of general formula [Ru(?6-p-cymene)(Cl)(L)] where L represents N’-((1H-pyrrol-2-yl)methylene)furan-2-carbohydrazide (L

Zirconium-based MOF catalyst with double active sites and preparation method and application thereof

-

Paragraph 0071; 0073; 0075-0079, (2021/06/09)

The invention discloses a zirconium-based MOF catalyst loaded with double active sites as well as a preparation method and an application of the zirconium-based MOF catalyst. The method comprises thefollowing steps: adding zirconium salt and an organic ligand into an organic solvent, taking organic acid as a regulator, and carrying out self-assembly reaction to obtain a metal organic framework; adding salicylaldehyde for aldehyde amine condensation to obtain chelating coordination sites, adding palladium salt, and performing coordination through an impregnation method; reducing the obtained MOF in hydrogen to obtain an MOF loaded with Pd nanoparticles; reacting MOF and zinc salt in an organic solvent, and obtaining the catalyst. The Pd-Zn-coated UiO-68-NH2-CH3 catalyst synthesized by thepreparation method disclosed by the invention has efficient catalytic activity in a tandem alcohol oxidation/aldehyde cyanosilylation reaction. According to the catalyst, a metal organic framework UiO-68-NH2-CH3 is constructed, Pd nanoparticles and Zn are loaded by taking the metal organic framework UiO-68-NH2-CH3 as a carrier, the loading capacity of the Pd nanoparticles is 4-8wt%, and the loading capacity of the Zn is 3-5wt%.

Three Coordinated Organoaluminum Cation for Rapid and Selective Cyanosilylation of Carbonyls under Solvent-Free Conditions

Bhandari, Mamta,Prashanth, Billa,Rawat, Sandeep,Singh, Sanjay

, (2020/05/19)

The well-defined three coordinated electronically unsaturated cationic organoaluminum complex [({(2,6-iPr2C6H3N)P(Ph2)}2N)AlMe]+[MeB(C6F5)3]? (1), has been utilized to catalyze the cyanosilylation of aldehydes and ketones under mild and solvent-free conditions. Moreover, catalyst 1 showed high chemoselective cyanosilylation of aldehydes over ketones, nitriles and olefins. The multinuclear NMR investigations revealed that cyanosilylation proceeds via Lewis adduct formation between 1 and TMSCN thereby activating TMSCN (Si-CN bond) followed by nucleophilic attack of the carbonyl oxygen at the Si center of the activated silane and formation of the product.

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