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4(1H)-Pyridinone, 1-(triphenylmethyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87839-57-4

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87839-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87839-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,8,3 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 87839-57:
(7*8)+(6*7)+(5*8)+(4*3)+(3*9)+(2*5)+(1*7)=194
194 % 10 = 4
So 87839-57-4 is a valid CAS Registry Number.

87839-57-4Relevant academic research and scientific papers

RING LITHIATION OF PYRIDONES

Meghani, Premji,Joule, John A.

, p. 1 - 8 (2007/10/02)

Lithiation of 1-methyl-2-pyridone takes place mainly at the methyl group which then leads to a dimer (11) by addition to a second mol equivalent of pyridone at C-6.Lithiation of 1-methyl-4-pyridone takes place cleanly and efficiently at C-2; this lithio d

Regioselective N- or O-Tritylation of 2(1H)-Pyridone - (Triphenylmethyl)pyridones as Tritylation Agents

Effenberger, Franz,Brodt, Werner,Zinczuk, Juan

, p. 3011 - 3026 (2007/10/02)

Tritylation of 2(1H)-pyridone (1) with triphenylmethyl chloride (4) in acetonitrile leads exclusively to N-trityl-2(1H)-pyridone (3a) via the lithium salt 1', whereas 2-pyridyl trityl ether (3b) is the only product from the reaction with the sodium salt 1

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