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22760-66-3

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22760-66-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22760-66-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,7,6 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 22760-66:
(7*2)+(6*2)+(5*7)+(4*6)+(3*0)+(2*6)+(1*6)=103
103 % 10 = 3
So 22760-66-3 is a valid CAS Registry Number.

22760-66-3Relevant articles and documents

Copper-catalyzed chemoselective cross-coupling reaction of thioamides and α-diazocarbonyl compounds: Synthesis of enaminones

Pal, Arpal,Koduri, Naga D.,Wang, Zhiguo,Quiroz, Erika Lopez,Chong, Alexandra,Vuong, Matthew,Rajagopal, Nisha,Nguyen, Michael,Roberts, Kenneth P.,Hussaini, Syed R.

supporting information, p. 586 - 589 (2017/01/16)

The development of operationally simple and cost-effective methods for C[sbnd]C bond formation reactions are highly important in pharmaceutical, agrochemical and material research. In this article we describe the first copper-catalyzed cross-coupling reaction of thioamides with acceptor/acceptor-substituted and acceptor-only substituted α-diazocarbonyl compounds to yield enaminones. The reaction shows broad substrate scope in terms of thioamides and diazocarbonyl compounds. Primary, secondary and tertiary thioamides all give enanminones when reacted with α-diazodiesters, α-diazoketoesters, α-diazodiketones, α-diazoketoamides, α-diazoesteramides, α-diazoketosulfones and α-diazomonoketones.

REACTIONS OF α-SILYL-α-DIAZOKETONES WITH ARYLISOCYANATES AND ACYLISOTHIOCYANATES

Mayer, Dieter,Maas, Gerhard

, p. 1463 - 1469 (2007/10/02)

(1-Diazo-2-oxoalkyl)silanes 1a,b react with arylisocyanates to give the 1-aryl-4-acyl-5-triisopropylsiloxy-1,2,3-triazoles 3.Hydrolytic or fluoride induced desilylation of these products affords the α-acyl-α-diazoacetamides 4.Diazoketone 1b reacts with ethoxycarbonyl and benzoyl isothiocyanate, but not with phenyl isothiocyanate, to produce 4-acyl-5-acylamino-1,2,3-thiadiazoles 5.

Preparation of 3-Acetyl-2-hydroxyindoles via Rhodium Carbenoid Aromatic C-H Insertion

Etkin, Nola,Babu, Suresh D.,Fooks, Catherine J.,Durst, Tony

, p. 1093 - 1096 (2007/10/02)

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