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24442-56-6

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24442-56-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 24442-56-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,4,4 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 24442-56:
(7*2)+(6*4)+(5*4)+(4*4)+(3*2)+(2*5)+(1*6)=96
96 % 10 = 6
So 24442-56-6 is a valid CAS Registry Number.

24442-56-6Relevant articles and documents

Substrate-Controlled Product Divergence: Conversion of CO2 into Heterocyclic Products

Rintjema, Jeroen,Epping, Roel,Fiorani, Giulia,Martín, Eddy,Escudero-Adán, Eduardo C.,Kleij, Arjan W.

, p. 3972 - 3976 (2016)

Substituted epoxy alcohols and amines allow substrate-controlled conversion of CO2 into a wide range of heterocyclic structures through different mechanistic manifolds. This new approach results in an unusual scope of CO2-derived products by initial activation of CO2 through either the amine or alcohol unit, thus providing nucleophiles for intramolecular epoxy ring opening under mild reaction conditions. Control experiments support the crucial role of the amine/alcohol fragment in this process with the nucleophile-assisted ring-opening step following an SNi pathway, and a 5-exo-tet cyclization, thus leading to heterocyclic scaffolds.

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