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144343-89-5

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144343-89-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144343-89-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,3,4 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 144343-89:
(8*1)+(7*4)+(6*4)+(5*3)+(4*4)+(3*3)+(2*8)+(1*9)=125
125 % 10 = 5
So 144343-89-5 is a valid CAS Registry Number.

144343-89-5Downstream Products

144343-89-5Relevant articles and documents

Palladium-Catalyzed Hydrocarbonylative Cyclization Enabled by Formal Insertion of Aromatic Ca? N Bonds into Pd-Acyl Bonds

Zhou, Xibing,Chen, Anrong,Du, Wei,Wang, Yawen,Peng, Yu,Huang, Hanmin

supporting information, p. 9114 - 9118 (2019/11/14)

An efficient new formal insertion strategy via combination of reductive elimination and oxidative addition sequence was reported, in which the transient N-acyliminium ions formed via hydrocarbonylation function as key intermediates. This strategy has enabled a novel palladium-catalyzed hydrocarbonylative cyclization of azaarene-tethered alkenes or dienes via sequential insertion of a Ca? C bond, CO, and a Ca? N bond into palladium-hydride bonds. This method provides a new and highly efficient synthetic approach to quinolizinones and its derivatives with extended ?-conjugated systems, possessing tunable emission wavelengths and good photoluminescence capabilities.

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