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101959-15-3

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101959-15-3 Usage

General Description

(3,4-dimethoxyphenyl) methanesulfonate is a chemical compound with the molecular formula C9H12O4S. It is a methanesulfonate ester derived from the benzene ring, containing two methoxy groups at the para positions. It is commonly used as a protecting group in organic synthesis to block the reactivity of certain functional groups, such as alcohols and amines, during chemical reactions. (3,4-dimethoxyphenyl) methanesulfonate can be synthesized through the reaction of 3,4-dimethoxyphenol with methanesulfonyl chloride in the presence of a base, resulting in the formation of the methanesulfonate ester. (3,4-dimethoxyphenyl) methanesulfonate has applications in pharmaceutical and agrochemical industries as an intermediate in the production of various compounds. It should be handled and stored with caution due to its potential health and environmental hazards.

Check Digit Verification of cas no

The CAS Registry Mumber 101959-15-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,9,5 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 101959-15:
(8*1)+(7*0)+(6*1)+(5*9)+(4*5)+(3*9)+(2*1)+(1*5)=113
113 % 10 = 3
So 101959-15-3 is a valid CAS Registry Number.

101959-15-3Relevant articles and documents

Palladium-catalyzed intra-and intermolecular C-H arylation using mesylates: Synthetic scope and mechanistic studies

Ferguson, Devin M.,Rudolph, Stacey R.,Kalyani, Dipannita

, p. 2395 - 2401 (2014/07/21)

This paper describes the development of Pd-catalyzed inter-and intramolecular direct arylation using mesylates. Furthermore, a sequential mesylation/arylation protocol using phenols as substrates is described. These transformations are general with respect to the electronics of the C-H substrates and allow for the synthesis of diverse heterocyclic motifs in good yields. Both arenes and heteroarenes efficiently participate in these reactions. Preliminary mechanistic studies are presented for both inter-and intramolecular arylations.

94. Synthesen von Dibenzodioxin-2,3-chinonen, einschliesslich der Ecklonochinone A und B sowie der Isoecklonochinone A und B

Luetolf, Walter Leo,Prewo, Roland,Bieri, Jost H.,Ruedi, Peter,Eugester, Conrad Hans

, p. 860 - 881 (2007/10/02)

Syntheses of Dibenzodioxin-2,3-quinones Including the Ecklonoquinones A and B and the Isoecklonoquinones A and B.Oxidation of monomesyloxy-substituted pyrocatechols with MnO2 in toluene using phase-transfer conditions leads in high yield to monomesyloxy-substituted dibenzodioxin-2,3-quinones with loss of one mesyloxy group.In this way, ecklonoquinone A (2), ecklonoquinone B (3), isoecklonoquinone A (43), and isoecklonoquinone B (44) were prepared.Their structures are based on X-ray analyses of ecklonoquinone-A leucoacetate (45) and the mesyloxy-substituted quinone 20.The reddish-violet dibenzodioxin-diquinone 49 was prepared from an intermediate of the iso-series.The parent compound 1 has been synthesized in yields better than 50percent from pyrocatechol and methyl 2,5-dioxo-2,5-dihydrobenzoate as oxidant and 2-methoxypyridin as catalyst.To rationalize the specific effect on the dimerisation step of the mesyloxy group, the intermediacy of 1,4-quinone monoacetals is proposed.This also applies to a proposed biogenetic scheme.

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