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22962-86-3

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22962-86-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22962-86-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,9,6 and 2 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 22962-86:
(7*2)+(6*2)+(5*9)+(4*6)+(3*2)+(2*8)+(1*6)=123
123 % 10 = 3
So 22962-86-3 is a valid CAS Registry Number.

22962-86-3Relevant articles and documents

Efficient synthetic procedure to new 2-imino-1,3-thiazolines and thiazolidin-4-ones promoted by acetonitrile electrogenerated base

Haouas, Beya,Sbei, Najwa,Ayari, Hana,Benkhoud, M. Lamine,Batanero, Belen

, p. 11776 - 11781 (2018/07/25)

A novel and convenient strategy is described for the regioselective conversion of N,N′-disubstituted thioureas and 1,2-dielectrophiles into the highly biologically valuable 2-imino-thiazoline and 2-imino thiazolidine-4-one derivatives. The synthesis proce

A convenient one-pot synthesis of thiazol-2-imines: application in the construction of pifithrin analogues

Murru, Siva,Singh,Kavala, Veerababurao,Patel, Bhisma K.

, p. 1931 - 1942 (2008/09/17)

For the first time a reaction intermediate has been isolated giving further insight into the mechanism of thiazol-2-imine formation. The first step of the reaction requires a basic medium, while the second step is an acid mediated E1 elimination reaction. An efficient one-pot synthesis of substituted thiazol-2-imines have been achieved by the condensation of carbonyl compounds with thioureas and 1,3-disubstituted thioureas using 1,1′-(ethane-1,2-diyl)dipyridinium bistribromide (EDPBT). Unsymmetrical 1,3-disubstituted thioureas give regioselective products with symmetrical ketones, which are mainly governed by the pKas of NH protons of thiourea, whereas symmetrical 1,3-disubstituted thioureas give regioselective products with symmetrical carbonyl compounds owing to the regioselective bromination of ketones. The methodology is extended to access novel neurodegenerative drug candidate pifithrin-α analogues in good yields in shorter reaction time. This method is simple, versatile and is applicable for different 1,3-disubstituted thioureas as well as a range of carbonyl compounds.

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