Cas 854679-72-4,ethyl 3-(3,4-dimethoxyphenyl)-2-methyl-3-oxopropanoate

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Check Digit Verification of cas no

The CAS Registry Mumber 854679-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,6,7 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 854679-72:
(8*8)+(7*5)+(6*4)+(5*6)+(4*7)+(3*9)+(2*7)+(1*2)=224
224 % 10 = 4
So 854679-72-4 is a valid CAS Registry Number.

854679-72-4Upstream product

854679-72-4Downstream Products

4440-92-0 1,4-bis(3,4-dimethoxyphenyl),2,3-dimethylbutane-1,4-dione

854679-72-4Relevant academic research and scientific papers

Oxidative umpolung ?±-alkylation of ketones

Shneider, O. Svetlana,Pisarevsky, Evgeni,Fristrup, Peter,Szpilman, Alex M.

supporting information, p. 282 - 285 (2015/03/05)

We disclose a hypervalent iodine mediated ?±-alkylative umpolung reaction of carbonyl compounds with dialkylzinc as the alkyl source. The reaction is applicable to all common classes of ketones including 1,3-dicarbonyl compounds and regular ketones via their lithium enolates. The ?±-alkylated carbonyl products are formed in up to 93% yield. An ionic mechanism is inferred based on meticulous analysis, NMR studies, trapping and crossover experiments, and computational studies.

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