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92433-53-9

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92433-53-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92433-53-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,4,3 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 92433-53:
(7*9)+(6*2)+(5*4)+(4*3)+(3*3)+(2*5)+(1*3)=129
129 % 10 = 9
So 92433-53-9 is a valid CAS Registry Number.

92433-53-9Relevant articles and documents

Bicyclic Bridgehead Phosphoramidite-Based Hybrid Diphosphorus Ligands: Design, Synthesis, and Application in Catalytic Asymmetric Hydrogenation

Du, Hong-Quan,Hu, Xiang-Ping

, p. 7678 - 7682 (2021/10/12)

A strategy for chiral ligand design has been developed that allows for incorporation of an achiral bicyclic bridgehead phosphoramidite to generate a class of hybrid diphosphorus ligands for high activity and asymmetric control. Using this concept, a series of chiral phosphine-phosphoramidite ligands bearing the sole chirality at the ligand backbone have been prepared and successfully employed in the Rh-catalyzed asymmetric hydrogenation of 2-vinylanilides for the synthesis of optically active anilines bearing an ortho-tertiary benzylic stereocenter.

Palladium Catalyzed Direct Acylation of Iodo-Acetanilides/Iodo-Phenyl Acetates: Domino One-Pot Synthesis of 2-Quinolinones

Basuli, Scuhand,Satyanarayana, Gedu

, p. 957 - 970 (2017/12/07)

Pd-catalyzed direct acylation reaction of iodoacetanilides/iodophenyl acetates with aldehydes is presented. Simple, bench-top aldehydes were used as non-toxic acylating agents. This protocol comprises direct coupling with aldehydes without activating the carbonyl group and without directing group assistance. The strategy was applied to a domino one-pot synthesis of 2-quinolinones through acylation and intramolecular aldol condensation. Significantly, the strategy was extended to the domino one-pot synthesis of drugs and bioactive compounds.

Dual role of acetanilides: Traceless removal of a directing group through deacetylation/diazotation and palladium-catalyzed C-C-coupling reactions

Schmidt, Bernd,Elizarov, Nelli,Schilde, Uwe,Kelling, Alexandra

, p. 4223 - 4234 (2015/05/13)

The acetamide group enables regioselective oxidative ortho-C-H activation reactions, such as Pd-catalyzed acylation. The synthetic utility of these transformations can be significantly enhanced by using the acetamide as a quasi-leaving group in a subsequent conventional Pd-catalyzed coupling or cross-coupling reaction. The concept is illustrated herein for the synthesis of o-alkenyl- and o-arylphenones, which have potential for the synthesis of arylated aromatic heterocycles.

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