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65674-14-8

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65674-14-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65674-14-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,6,7 and 4 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 65674-14:
(7*6)+(6*5)+(5*6)+(4*7)+(3*4)+(2*1)+(1*4)=148
148 % 10 = 8
So 65674-14-8 is a valid CAS Registry Number.

65674-14-8Relevant articles and documents

Copper and Zinc Copromoted Bromo(chloro)trifluoromethylation of Alkenes and Alkynes with Trifluoromethanesulfonic Anhydride

Ouyang, Yao,Qing, Feng-Ling,Tong, Chao-Lai,Xu, Xiu-Hua

supporting information, p. 346 - 350 (2021/01/13)

The first copper and zinc copromoted trifluoromethylation using trifluoromethanesulfonic anhydride (Tf2O) as a trifluoromethylating reagent has been developed. The reaction of alkenes or alkynes with Tf2O in the presence of CuX2 (X = Br, Cl), Zn powder, and 2,2′-bipyridine affords bromo(chloro)trifluoromethylated products in good yields. CuX2 plays a dual role as the catalyst and halide source, whereas 2,2′-bipyridine acts as both the activation reagent and ligand.

One-Pot Strategy for Thiazoline Synthesis from Alkenes and Thioamides

Alom, Nur-E,Wu, Fan,Li, Wei

supporting information, p. 930 - 933 (2017/02/26)

A convenient synthesis of a privileged pharmaceutical motif, thiazoline is accomplished. This reaction utilizes simple and readily available alkene and thioamide substrates in an intermolecular fashion via a simple one-pot procedure. A wide range of functional groups is tolerated, and the thiazoline product has been further utilized for the synthesis of the corresponding β-aminothiol and thiazole from routine hydrolysis and oxidation protocols.

Efficient bromination of olefins, alkynes, and ketones with dimethyl sulfoxide and hydrobromic acid

Song, Song,Li, Xinwei,Sun, Xiang,Yuan, Yizhi,Jiao, Ning

supporting information, p. 3285 - 3289 (2015/06/25)

The oxidative bromination of olefins, alkynes, and ketones has been developed with HBr as the brominating reagent and DMSO as the mild oxidant. The simple conditions, high bromide-atom-economy, as well as easy accessibility and low cost of DMSO and HBr make the present strategy prospective for the synthesis of dibrominated alkanes, dibrominated alkenes and α-bromoketones.

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