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2-(4-ethylphenyl)-3H-indol-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1292299-22-9

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1292299-22-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1292299-22-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,2,2,9 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1292299-22:
(9*1)+(8*2)+(7*9)+(6*2)+(5*2)+(4*9)+(3*9)+(2*2)+(1*2)=179
179 % 10 = 9
So 1292299-22-9 is a valid CAS Registry Number.

1292299-22-9Upstream product

1292299-22-9Relevant academic research and scientific papers

CuH-Catalyzed Synthesis of 3-Hydroxyindolines and 2-Aryl-3H-indol-3-ones from o-Alkynylnitroarenes, Using Nitro as Both the Nitrogen and Oxygen Source

Peng, Hui,Ma, Jinhui,Duan, Lingfei,Zhang, Guangwen,Yin, Biaolin

, p. 6194 - 6198 (2019)

CuH-catalyzed diasterospecific synthesis of 3-hydroxyindolines and 2-aryl-3H-indol-3-ones have been developed from o-alkynylnitroarenes in the presence of hydrosilane as the reductant. The protocol employs nitro as both nitrogen and oxygen sources for the

Synthesis of N-Fused Seven-Membered Indoline-3-ones via a Palladium-Catalyzed One-Pot Insertion Reaction from 2-Alkynyl Arylazides and Cyclic β-Diketones

Hu, Guiwen,Li, Ping,Sheng, Rong,Zhang, Xiaoxiang,Zhou, Zhiqiang

supporting information, (2020/04/08)

A novel strategy to synthesize N-fused seven-membered multifunctional polycyclic indoline-3-one derivatives via insertion of cyclic C-acylimines into cyclic β-diketones has been described. The reaction proceeded well under mild reaction conditions via a one-pot, three-steps method, which has shown good tolerance of various functional groups.

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