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1227053-90-8

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1227053-90-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1227053-90-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,7,0,5 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1227053-90:
(9*1)+(8*2)+(7*2)+(6*7)+(5*0)+(4*5)+(3*3)+(2*9)+(1*0)=128
128 % 10 = 8
So 1227053-90-8 is a valid CAS Registry Number.

1227053-90-8Downstream Products

1227053-90-8Relevant articles and documents

A 2,6-bis(phenylamino)pyridinato titanium catalyst for the highly regioselective hydroaminoalkylation of styrenes and 1,3-butadienes

Doerfler, Jaika,Preuss, Till,Schischko, Alexandra,Schmidtmann, Marc,Doye, Sven

, p. 7918 - 7922 (2014/08/05)

The C-C bond forming catalytic hydroaminoalkylation of terminal alkenes, 1,3-dienes, or styrenes allows a direct and highly atom efficient (100 %) synthesis of amines which can result in the formation of two regioisomers, the linear and the branched product. We present a new titanium catalyst with 2,6-bis(phenylamino)pyridinato ligands for intermolecular hydroaminoalkylation reactions of styrenes and 1-phenyl-1,3-butadienes that delivers the corresponding linear hydroaminoalkylation products with excellent regioselectivities. Linear progress: A new Ti complex with 2,6-bis(phenylamino) pyridinato ligands catalyzes highly regioselective hydroaminoalkylation reactions of styrenes. The process that directly gives access to the corresponding linear hydroaminoalkylation products offers a new and flexible synthetic approach towards pharmaceutically important 3-arylpropylamines. It is also possible to convert (E)-1-phenyl-1,3-butadienes into the corresponding linear products.

[Ind2TiMe2]: A catalyst for the hydroaminomethylation of alkenes and styrenes

Kubiak, Raphael,Prochnow, Insa,Doye, Sven

supporting information; experimental part, p. 2626 - 2629 (2010/06/18)

(Chemical Equation Presentation) Metal-catalyzed hydroaminomethylations of styrenes, which take place by C-H bond activation, can be achieved in the presence of the catalyst [Ind2TiMe2] (Ind = η5-indenyl). Corresponding reactions of l-alkenes with N-methylanilines performed at temperatures between 80°C and 105°C usually take place with regioselectivities of better than 99:1 in favor of the branched product.

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