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17745-40-3

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17745-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17745-40-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,7,4 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 17745-40:
(7*1)+(6*7)+(5*7)+(4*4)+(3*5)+(2*4)+(1*0)=123
123 % 10 = 3
So 17745-40-3 is a valid CAS Registry Number.

17745-40-3Relevant articles and documents

Photoredox/nickel-catalyzed hydroacylation of ethylene with aromatic acids

Zhang, Lili,Chen, Shuai,He, Hengchi,Li, Weipeng,Zhu, Chengjian,Xie, Jin

supporting information, p. 9064 - 9067 (2021/09/15)

We report a general, practical and scalable hydroacylation reaction of ethylene with aromatic carboxylic acids with the synergistic combination of nickel and photoredox catalysis. Under ambient temperature and pressure, feedstock chemicals such as ethylene can be converted into high-value-added aromatic ketones in moderate to good yields (up to 92%) with reaction time of 2-6 hours.

DMF as carbon source: Rh-catalyzed α-methylation of ketones

Li, Yang,Xue, Dong,Lu, Wei,Wang, Chao,Liu, Zhao-Tie,Xiao, Jianliang

supporting information, p. 66 - 69 (2014/01/23)

An unprecedented Rh-catalyzed direct methylation of ketones with N,N-dimethylformamide (DMF) is disclosed. The reaction shows a broad substrate scope, tolerating both aryl and alkyl ketones with various substituents. Mechanistic studies suggest that DMF delivers a methylene fragment followed by a hydride in the methylation process.

Efficient synthesis of alkyl aryl ketones & ketals via palladium-catalyzed regioselective arylation of vinyl ethers

Liu, Mingcui,Hyder, Zeynab,Sun, Yawei,Tang, Weijun,Xu, Lijin,Xiao, Jianliang

supporting information; experimental part, p. 2012 - 2015 (2010/07/04)

The combination of Pd(OAc)2 with 1,3-bis(diphenylphosphino) propane (dppp) in ethylene glycol constitutes a high-performance catalytic system for highly regioselective arylation of a range of electron-rich vinyl ethers by aryl bromides to provide, upon hydrolysis, alkyl aryl ketones and cyclic ketals in good yields with up to 3.75 × 105 TON and 15625 h-1 TOF.

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