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59066-57-8

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59066-57-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 59066-57-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,0,6 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 59066-57:
(7*5)+(6*9)+(5*0)+(4*6)+(3*6)+(2*5)+(1*7)=148
148 % 10 = 8
So 59066-57-8 is a valid CAS Registry Number.

59066-57-8Downstream Products

59066-57-8Relevant articles and documents

Metal-Free Synthesis of Alkenylazaarenes and 2-Aminoquinolines through Base-Mediated Aerobic Oxidative Dehydrogenation of Benzyl Alcohols

Batra, Sanjay,Dahatonde, Dipak J.,Ghosh, Aritra

, p. 2746 - 2751 (2021/06/25)

A metal-free, base-mediated, and atom-efficient oxidative dehydrogenative coupling of substituted phenylmethanols (benzyl alcohols) with methyl azaarenes or phenylacetonitriles to afford substituted alkenylazaarenes or 2-aminoquinolines, respectively is described. CsOH.H2O was discovered to be the base of choice for obtaining optimal yields of the title compounds, although the reaction could proceed with KOH as well. The protocol that works efficiently in the presence of air is amenable over broad range of substrates.

Waste-minimized synthesis of C2 functionalized quinolines exploiting iron-catalysed C-H activation

Ferlin, Francesco,Zangarelli, Agnese,Lilli, Simone,Santoro, Stefano,Vaccaro, Luigi

supporting information, p. 490 - 495 (2021/01/28)

Herein we present an efficient and regioselective iron-catalyzed methodology for the external oxidant-free functionalization of quinoline-N-oxides. The protocol, based on the use of inexpensive and easily accessible FeSO4, showed broad applicability to a wide range of substrates. An additional green feature of this synthetic methodology is H2O being the only by-product. Experimental and computational investigations provide support to a mechanism based on a facile C-H activation event. The green efficiency of the process has also been carefully assessed using: (i) metrics related to the synthetic process (AE, Yield, 1/SF, MRP and RME); (ii) safety/hazard metrics (SHZI and SHI); and (iii) metrics related to the metal used as the catalyst (Abundance, OEL and ADP). In addition to the many advantages of this protocol related to the green iron catalyst used and the safety/hazard features of the process, an E-factor value of ca. 0.92 (84 to >99% reduction compared to known protocols) evidently confirms the sustainable efficiency of the procedure presented. Practical utility has also been demonstrated by performing the reaction efficiently on a multi-gram scale. This journal is

Preparation method of trans-disubstituted olefin

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Paragraph 0134-0141, (2020/02/27)

The invention relates to the technical field of organic chemical synthesis, and in particular, relates to a preparation method of trans-disubstituted olefin. According to the preparation method, primary alcohol and methyl azacycle are taken as raw materials, transition metal salt, nitric oxide and alkali are taken as catalysts, an organic solution is taken as a reaction medium, and reaction is carried out in an oxygen atmosphere. According to the preparation method, a reaction by-product is only water, the environment is not polluted, the required transition metal catalyst is cheap and easy toobtain, the reaction does not need high temperature, and the reaction cost and the requirements on reaction conditions can be reduced.

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