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27958-95-8

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27958-95-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27958-95-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,9,5 and 8 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 27958-95:
(7*2)+(6*7)+(5*9)+(4*5)+(3*8)+(2*9)+(1*5)=168
168 % 10 = 8
So 27958-95-8 is a valid CAS Registry Number.

27958-95-8Relevant articles and documents

Consecutive β,β′-Selective C(sp3)?H Silylation of Tertiary Amines with Dihydrosilanes Catalyzed by B(C6F5)3

Fang, Huaquan,Xie, Kaixue,Kemper, Sebastian,Oestreich, Martin

supporting information, p. 8542 - 8546 (2021/03/08)

Tris(pentafluorophenyl)borane has been found to catalyze the two-fold C(sp3)?H silylation of various trialkylamine derivatives with dihydrosilanes, furnishing the corresponding 4-silapiperidines in decent yields. The multi-step reaction cascade involves amine-to-enamine dehydrogenation at two alkyl residues and two electrophilic silylation reactions of those enamines, one inter- and one intramolecular.

Fluorine-containing compound and synthesis method thereof

-

Paragraph 0107; 0108; 0109, (2017/09/01)

The embodiment of the invention discloses a fluorine-containing compound and a synthesis method thereof. The method comprises the steps of allowing a compound shown as formula (II) as shown in the specification and a compound shown as formula (III) as shown in the specification to react under the action of a fluorine reagent to generate: (1) the fluorine-containing compound shown as formula (I) as shown in the specification in the presence of water, and (2) the fluorine-containing compound shown as formula (IV) as shown in the specification in the absence of the water. The synthesis method of the fluorine-containing compound does not require a transition metal and is safer; the fluorine-containing compound is synthesized only by a one-step reaction; and the method is very simple and convenient.

Highly efficient amination in neat water of benzyl chlorides with dialkylformamides catalysed by N-heterocyclic carbene-palladium(II)-1- methylimidazole complex

Chen, Wen-Xin,Zhang, Cai-Yun,Lu, Jian-Mei

, p. 611 - 614 (2013/11/06)

Dialkylformamides are excellent N-sources in the amination of benzyl chlorides when catalysed by a NHC-Pd(II)-Im complex. In the presence of NaOH and the catalyst, variously substituted benzyl chlorides and five different dialkylformamides reacted smoothly to afford the corresponding N,N-dialkyl-benzylamines in good to almost quantitative yields in eco-friendly solvent water at 50 °C within 3 h.

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