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165611-33-6

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165611-33-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 165611-33-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,5,6,1 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 165611-33:
(8*1)+(7*6)+(6*5)+(5*6)+(4*1)+(3*1)+(2*3)+(1*3)=126
126 % 10 = 6
So 165611-33-6 is a valid CAS Registry Number.

165611-33-6Relevant articles and documents

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Boekelheide,Morrison

, p. 3905,3907 (1958)

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Oxidative esterification of alcohols by a single-side organically decorated Anderson-type chrome-based catalyst

Wang, Jingjing,Jiang, Feng,Tao, Chaofu,Yu, Han,Ruhlmann, Laurent,Wei, Yongge

supporting information, p. 2652 - 2657 (2021/04/21)

The direct esterification of alcohols with non-noble metal-based catalytic systems faces great challenges. Here, we report a new chrome-based catalyst stabilized by a single pentaerythritol decorated Anderson-type polyoxometalate, [N(C4H9)4]3[CrMo6O18(OH)3C{(OCH2)3CH2OH}], which can realize the efficient transformation from alcohols to esters by H2O2oxidation in good yields and high selectivity without extra organic ligands. A variety of alcohols with different functionalities including some natural products and pharmaceutical intermediates are tolerated in this system. The chrome-based catalyst can be recycled several times and still keep the original configuration and catalytic activity. We also propose a reasonable catalytic mechanism and prove the potential for industrial applications.

Conversion of alcohols to alkyl esters and carboxylic acids using heterogeneous palladium-based catalysts

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Sheet 3, (2017/04/28)

Disclosed are methods for synthesizing an ester or a carboxylic acid from an organic alcohol. To form the ester one reacts, in the presence of oxygen gas, the alcohol with methanol or ethanol. This reaction occurs in the presence of a catalyst comprising palladium and a co-catalyst comprising bismuth, tellurium, lead, cerium, titanium, zinc and/or niobium (most preferably at least bismuth and tellurium). Alternatively that catalyst can be used to generate an acid from that alcohol, when water is also added to the reaction mix.

Asymmetric cross-dimerization between methyl methacrylate and substituted alkene by Ru(0)-bicyclononadiene complex

Hiroi, Yuki,Komine, Nobuyuki,Komiya, Sanshiro,Hirano, Masafumi

supporting information, p. 2486 - 2489 (2013/07/05)

New Ru(0)-naphthalene complexes containing a bicyclononadiene ligand catalyze the linear cross-dimerization between methyl methacrylate and substituted alkenes by an oxidative coupling mechanism. The chiral (S,S)-2-methylbicyclo[3.3.1]nona-2,6-diene complex (S,S)-1b catalyzes asymmetric linear cross-dimerization between methyl methacrylate and 2,5-dihydrofuran to give the cross-dimer in 74% yield in 80% ee.

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