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953422-33-8

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953422-33-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 953422-33-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,3,4,2 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 953422-33:
(8*9)+(7*5)+(6*3)+(5*4)+(4*2)+(3*2)+(2*3)+(1*3)=168
168 % 10 = 8
So 953422-33-8 is a valid CAS Registry Number.

953422-33-8Relevant articles and documents

Chemoselective and efficient carbomethoxylation of the alcoholic chain of phenols by dimethyl carbonate (DMC)

Bernini, Roberta,Mincione, Enrico,Crisante, Fernanda,Barontini, Maurizio,Fabrizi, Giancarlo,Gentili, Patrizia

, p. 7000 - 7003 (2007)

The efficiency of dimethyl carbonate (DMC) as chemoselective carbomethoxylating agent of the alcoholic chain of phenols has been investigated. In the presence of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) or sulfuric acid as catalysts, new carbomethoxylated

Easy eco-friendly phenonium ion production from phenethyl alcohols in dimethyl carbonate

Barontini,Proietti Silvestri,Nardi,Bovicelli,Pari,Gallucci,Spezia,Righi

supporting information, p. 5004 - 5006 (2013/08/28)

An efficient and simple one-pot procedure for selective etherification of 2-aryl-ethylalcohols has been achieved through Amberlyst 15-catalyzed reaction in dimethyl carbonate (DMC). Moreover, the polymer catalyst could be recovered and reused with no effect on its activity. The reaction mechanism involves the formation of phenonium ion which has been demonstrated by a C-C bond forming reaction. Theoretical studies are in agreement with and thus explain experimental results.

A singlet oxygen approach to oxaspirocycles

Jones, Kevin M.,Hillringhaus, Tim,Klussmann, Martin

supporting information, p. 3294 - 3297 (2013/06/27)

A method for the preparation of oxygen containing spirocycles using singlet oxygen is reported. A series of phenols were converted into the corresponding peroxy-cyclohexadienone derivatives by irradiation with visible light in the presence of a sensitizer and oxygen. The resulting peroxides could be converted into ether and lactone spirocycles in one or two steps. The synthesis of the oxaspirocycles from the phenols can also be performed in a one-pot fashion, avoiding the isolation of the peroxide intermediates.

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