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3-(methoxalyl)-3-(carbomethoxy)-2-p-tolyl-5,6-diphenyl-4(3H)-pyridone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75233-35-1

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75233-35-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75233-35-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,2,3 and 3 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 75233-35:
(7*7)+(6*5)+(5*2)+(4*3)+(3*3)+(2*3)+(1*5)=121
121 % 10 = 1
So 75233-35-1 is a valid CAS Registry Number.

75233-35-1Downstream Products

75233-35-1Relevant academic research and scientific papers

Cycloaddition Reaction of Dimethyl Acetylenedicarboxylate with 2,4,5-Triphenyl-3H-pyrrol-3-one 1-Oxide

Freeman, Jeremiah P.,Haddadin, Makhluf J.

, p. 4898 - 4902 (1980)

The reaction of 2,4,5-triphenyl-3H-pyrrol-3-one 1-oxide with dimethyl acetylenedicarboxylate gave pyridine 9a, 4(3H)-pyridone 10a, isoxazolidine 11, and traces of pyridone 13.Pyridone 10a is not an intermediate in the formation of 9a, yet on photolysis or pyrolysis above its melting point, 10a yielded pyridine 9a.Possible reaction mechanisms that rationalize the formation of these products are discussed.

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