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1454769-81-3

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1454769-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1454769-81-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,5,4,7,6 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1454769-81:
(9*1)+(8*4)+(7*5)+(6*4)+(5*7)+(4*6)+(3*9)+(2*8)+(1*1)=203
203 % 10 = 3
So 1454769-81-3 is a valid CAS Registry Number.

1454769-81-3Relevant articles and documents

An approach to spirooxindoles: Via palladium-catalyzed remote C-H activation and dual alkylation with CH2Br2

Shao, Changdong,Wu, Zhuo,Ji, Xiaoming,Zhou, Bo,Zhang, Yanghui

, p. 10429 - 10432 (2017)

A facile and efficient approach for the synthesis of spirooxindoles has been developed via the coupling of spirocyclic C,C-palladacycles with CH2Br2. The key spirocyclic palladacycles are generated catalytically via remote C-H activation. A range of spirooxindoles can be synthesized in good to excellent yields from readily available starting material.

Palladium-Catalyzed Domino Heck/Sulfination: Synthesis of Sulfonylated Hetero- And Carbocyclic Scaffolds Using DABCO-Bis(sulfur dioxide)

Bajohr, Jonathan,Diallo, Abdoul G.,Whyte, Andrew,Gaillard, Sylvain,Renaud, Jean-Luc,Lautens, Mark

supporting information, p. 2797 - 2801 (2021/04/13)

The synthesis of a broad variety of hetero- and carbocyclic scaffolds via a Pd-catalyzed domino Heck/SO2 insertion reaction is reported. This reaction utilizes DABSO, a safe and easy-to-handle alternative to SO2 gas. The reaction proceeds through a sulfin

Nickel-Catalyzed Arylcarbamoylation of Alkenes of N-(o-Iodoaryl)acrylamides with Nitroarenes via Reductive Aminocarbonylation: Facile Synthesis of Carbamoyl-Substituted Oxindoles

Cheng, Chaozhihui,Xiang, Jian-Nan,Zhu, Yan-Ping,Peng, Zhi-Hong,Li, Jin-Heng

supporting information, p. 9543 - 9547 (2021/12/14)

Nickel-catalyzed arylcarbamoylation reactions of alkenes of N-(o-haloaryl)acrylamides with CO and nitroarenes via reductive aminocarbonylation to produce carbamoyl-substituted oxindoles with an all-carbon quaternary stereogenic center are presented. Starting with N-(o-haloaryl)acrylamides, simple CO, and inexpensive nitroarenes and using a Ni catalyst, a dinitrogen-based ligand, a Zn reductant, a TMSCl additive, and a base system, this protocol enables the synthesis of various carbamoyl-substituted oxindoles and allows the efficient late-stage derivatization of valuable molecules.

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