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3,4-dihydro-3-cyano-3-(2-methylphenyl)-1H-2-benzopyran-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

146439-69-2

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146439-69-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 146439-69-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,4,3 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 146439-69:
(8*1)+(7*4)+(6*6)+(5*4)+(4*3)+(3*9)+(2*6)+(1*9)=152
152 % 10 = 2
So 146439-69-2 is a valid CAS Registry Number.

146439-69-2Downstream Products

146439-69-2Relevant academic research and scientific papers

Acyl cyanides as carbonyl heterodienophiles: Application to the synthesis off naphthols, isoquinolones, and isocoumarins

Connors, Richard

, p. 221 - 226 (2007/10/03)

Irradiation of 2-methylbenzoyl cyanide (3a) in acetonitrile solution results in the formation of its dimer, which upon loss of HCN gives rise to the cycloadduct 7a. The dimerization also proceeds efficiently with derivatives of 3a giving adducts 7b and 7c

Acyl Cyanides as Carbonyl Heterodienophiles

Connors, Richard,Durst, Tony

, p. 7277 - 7280 (2007/10/02)

Acyl cyanides have been shown to behave as carbonyl dienophiles in reactions with electron-rich o-quinodimethanes.This represents the first observation of an acyl cyanide carbonyl group reacting in such a manner.

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