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124718-83-8

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124718-83-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 124718-83-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,7,1 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 124718-83:
(8*1)+(7*2)+(6*4)+(5*7)+(4*1)+(3*8)+(2*8)+(1*3)=128
128 % 10 = 8
So 124718-83-8 is a valid CAS Registry Number.

124718-83-8Relevant articles and documents

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Sonnet,P.E.,Oliver,J.E.

, p. 3279 - 3283 (1976)

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A Self-Assembled Molecular Cage for Substrate-Selective Epoxidation Reactions in Aqueous Media

Kuijpers, Petrus F.,Otte, Matthias,Dürr, Maximilian,Ivanovi?-Burmazovi?, Ivana,Reek, Joost N. H.,De Bruin, Bas

, p. 3106 - 3112 (2016/07/06)

Encapsulation of a manganese porphyrin in a self-assembled molecular cage allows catalytic epoxidation of various substrates in 1:1 water/acetonitrile mixtures. The cage acts as a phase-transfer catalyst and creates a protective environment for the catalyst improving the stability. The encapsulated catalyst also allows discrimination between styrene derivatives of various sizes. In a direct competition experiment, the selectivity of the epoxidation reaction could be inverted with respect to a benchmark catalyst.

Cyclopropenone catalyzed substitution of alcohols with mesylate ion

Nacsa, Eric D.,Lambert, Tristan H.

supporting information, p. 38 - 41 (2013/03/28)

The cyclopropenone catalyzed nucleophilic substitution of alcohols by methanesulfonate ion with inversion of configuration is described. This work provides an alternative to the Mitsunobu reaction that avoids the use of azodicarboxylates and generation of hydrazine and phosphine oxide byproducts. This transformation is shown to be compatible with a range of functionality. A cyclopropenone scavenge strategy is demonstrated to aid purification.

Synthesis, crystal structure, and catalytic properties of novel dioxidomolybdenum(VI) complexes with tridentate schiff base ligands in the biomimetic and highly selective oxygenation of alkenes and sulfides

Rezaeifard, Abdolreza,Sheikhshoaie, Iran,Monadi, Maz,Stoeckli-Evans, Helen

experimental part, p. 799 - 806 (2010/07/04)

Four novel dioxidomolybdenum(VI) complexes [MoO2(L x)(CH3OH)] have been synthesized, using 2[(E)-(2-hydroxy-2-phenylethylimino)methyl]phenol derivatives as tridentate ONO donor Schiff base ligands (H2Lx) and MoO 2(acac)2. A monoclinic space group was determined by X-ray crystallography from single-crystal data of a sample of these new complexes. The epoxidation of alkenes by using tert-butyl hydroperoxide and oxidation of sulfides to sulfoxides by urea hydrogen peroxide were efficiently enhanced with excellent selectivity under the catalytic influence these new MoVI complexes. The high efficiency and relative stability of the catalysts have been observed, by turnover numbers and UV/Vis investigations. The electron-poor and bulky ligands promoted the effectiveness of the catalysts. 2010 Wiley-VCH Verlag GmbH & Co. KGaA.

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