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133512-64-8

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133512-64-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133512-64-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,5,1 and 2 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 133512-64:
(8*1)+(7*3)+(6*3)+(5*5)+(4*1)+(3*2)+(2*6)+(1*4)=98
98 % 10 = 8
So 133512-64-8 is a valid CAS Registry Number.

133512-64-8Downstream Products

133512-64-8Relevant articles and documents

Pentafluoroethylation of Arenediazonium Tetrafluoroborates Using On-Site Generated Tetrafluoroethylene

Xing, Bo,Li, Lingchun,Ni, Chuanfa,Hu, Jinbo

, p. 1131 - 1136 (2019/10/22)

Copper-mediated pentafluoroethylation of arenediazonium tetrafluoroborates with tetrafluoroethylene (TFE) on-site generated from TMSCF3 has been developed as a new method to prepare pentafluoroethyl arenes. The active pentafluoroethylation reagent “CuC2F5” is pre-generated from CuSCN, TFE and CsF, and its generation and further reaction are strongly solvent-dependent. This pentafluoroethylation reaction represents the first example of Sandmeyer-type pentafluoroethylation, which exhibits good functional group tolerance and potential applications for the synthesis of complicated bioactive compounds.

A class of effective decarboxylative perfluoroalkylating reagents: [(phen)2Cu](O2CRF)

Huang, Yangjie,Ajitha, Manjaly J.,Huang, Kuo-Wei,Zhang, Zhongxing,Weng, Zhiqiang

supporting information, p. 8468 - 8474 (2016/06/01)

This article describes the invention of a class of effective reagents [(phen)2Cu](O2CRF) (1) for the decarboxylative perfluoroalkylation of aryl and heteroaryl halides. Treatment of copper tert-butyloxide with phenanthroline ligands, with subsequent addition of perfluorocarboxylic acids afforded air-stable copper(i) perfluorocarboxylato complexes 1. These complexes reacted with a variety of aryl and heteroaryl halides to form perfluoroalkyl(hetero)arenes in moderate to high yields. Computational studies suggested that the coordination of the second phen ligand may reduce the energy barrier for the decarboxylation of perfluorocarboxylate to facilitate perfluoroalkylation.

Pentafluoroethylating compositions

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Paragraph 0194, (2015/02/25)

The present invention relates to pentafluoroethylating compositions, processes for obtaining them, and their use in pentafluoroethylation reactions.

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