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122128-46-5

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122128-46-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 122128-46-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,1,2 and 8 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 122128-46:
(8*1)+(7*2)+(6*2)+(5*1)+(4*2)+(3*8)+(2*4)+(1*6)=85
85 % 10 = 5
So 122128-46-5 is a valid CAS Registry Number.

122128-46-5Relevant articles and documents

Microwave-Assisted Domino Palladium Catalysis in Water: A Diverse Synthesis of 3,3′-Disubstituted Heterocyclic Compounds

Ramesh, Karu,Basuli, Suchand,Satyanarayana, Gedu

, p. 2171 - 2177 (2018)

An environmentally benign microwave-assisted domino [Pd]-catalyzed reaction, for the efficient and diverse synthesis of 3,3′-disubstituted indolines, oxindoles, and dihydrobenzofurans, is presented. Significantly, water served as the sole green solvent and the strategy displayed an excellent functional-group tolerance. Remarkably, the process was also amenable to unmasked functional groups and furnished the products, in very good to almost quantitative yields.

Ni-Catalyzed enantioselective reductive arylcyanation/cyclization of: N -(2-iodo-aryl) acrylamide

Dong, Kaiwu,Ren, Xinyi,Shen, Chaoren,Wang, Guangzhu

, p. 1135 - 1138 (2022/02/03)

A Ni/(S,S)-BDPP-catalyzed intramolecular Heck cyclization of N-(2-iodo-aryl) acrylamide with 2-methyl-2-phenylmalononitrile was developed to give oxindoles with good enantioselectivities. We found that utilizing such an electrophilic cyanation reagent cou

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.

Nickel-catalyzed reductive aryl thiocarbonylation of alkene via thioester group transfer strategy

Feng, Yunxia,Yang, Shimin,Zhao, Shen,Zhang, Dao-Peng,Li, Xinjin,Liu, Hui,Dong, Yunhui,Sun, Feng-Gang

, p. 6734 - 6738 (2020/09/15)

Herein reported is a nickel-catalyzed reductive aryl thiocarbonylation of alkene via thioester group transfer strategy by using simple and readily available thioesters. In contrast to traditional activation of weaker C(acyl)-S bond, the C(acyl)-C bond of

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