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2-(2-methylallyl)malonic acid dibenzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1609650-40-9

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1609650-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1609650-40-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,6,5 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1609650-40:
(9*1)+(8*6)+(7*0)+(6*9)+(5*6)+(4*5)+(3*0)+(2*4)+(1*0)=169
169 % 10 = 9
So 1609650-40-9 is a valid CAS Registry Number.

1609650-40-9Relevant academic research and scientific papers

Enantioselective cycloisomerization of 1,6-enynes to bicyclo[3.1.0]hexanes catalyzed by rhodium and benzoic acid

Masutomi, Koji,Noguchi, Keiichi,Tanaka, Ken

, p. 7627 - 7630 (2014)

It has been established that a cationic Rh(I)/(S)-Segphos or (S)-DTBM-Segphos complex and benzoic acid catalyze the enantioselective cycloisomerization of 1,6-enynes, possessing carbonyl groups at the enyne linkage, to 2-alkylidenebicyclo[3.1.0]hexanes. The present cycloisomerization may involve site selective γ-hydrogen elimination. The one-pot enantioselective cycloisomerization and lactonization of 1,6-enynes, leading to bicyclic lactones, has also been accomplished.

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