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1247822-08-7

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1247822-08-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1247822-08-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,7,8,2 and 2 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1247822-08:
(9*1)+(8*2)+(7*4)+(6*7)+(5*8)+(4*2)+(3*2)+(2*0)+(1*8)=157
157 % 10 = 7
So 1247822-08-7 is a valid CAS Registry Number.

1247822-08-7Downstream Products

1247822-08-7Relevant articles and documents

Copper-Catalyzed Reaction of Trifluoromethylketones with Aldehydes via a Copper Difluoroenolate

Doi, Ryohei,Ohashi, Masato,Ogoshi, Sensuke

, p. 341 - 344 (2016)

A copper-catalyzed reaction of easily accessible α,α,α-trifluoromethylketones with various aldehydes affords difluoro-methylene compounds in the presence of diboron and NaOtBu. The key process of the reaction is the formation of a copper difluoroenolate by 1,2-addition of a borylcopper intermediate to α,α,α-trifluoromethylketones and subsequent β-fluoride elimination. Mechanistic studies including the isolation and characterization of a possible anionic copper alkoxide intermediate are also described.

Copper-catalysed difluoroalkylation of aromatic aldehydes via a decarboxylation/aldol reaction

Yuan, Jin-Wei,Liu, Shuai-Nan,Mai, Wen-Peng

, p. 7654 - 7659 (2017/09/27)

A copper-catalysed tandem decarboxylation/aldol reaction of simple aromatic aldehydes with 2,2-difluoro-3-oxo-3-arylpropanoic acid has been developed under mild conditions. This method provides a new route for the direct one-pot synthesis of difluorinated aldols in moderate to good yields from simple substrates.

Metal-mediated Reformatsky reaction of bromodifluoromethyl ketone and aldehyde using water as solvent

Yao, Hui,Cao, Chun-Ru,Jiang, Min,Liu, Jin-Tao

, p. 45 - 50 (2013/10/21)

Water is demonstrated as a suitable solvent for an efficient and environmentally friendly method for the synthesis of α,α- difluorinated β-hydroxy carbonyl compounds through the Reformatsky reaction of bromodifluoromethyl ketones with aldehydes in the pre

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