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4,5-bis(4-methoxyphenyl)-2-phenyloxazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

25220-27-3

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25220-27-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25220-27-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,2,2 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 25220-27:
(7*2)+(6*5)+(5*2)+(4*2)+(3*0)+(2*2)+(1*7)=73
73 % 10 = 3
So 25220-27-3 is a valid CAS Registry Number.

25220-27-3Downstream Products

25220-27-3Relevant academic research and scientific papers

An efficient synthesis of trisubstituted oxazoles via chemoselective O-acylations and intramolecular Wittig reactions

Tsai, Yi-Ling,Fan, Yu-Shiou,Lee, Chia-Jui,Huang, Chan-Hui,Das, Utpal,Lin, Wenwei

supporting information, p. 10266 - 10268 (2013/10/22)

Preparation of new types of trisubstituted oxazoles is realized via chemoselective O-acylations and intramolecular Wittig reactions with ester functionalities using in situ formed phosphorus ylides as key intermediates. A plausible reaction mechanism for this undiscovered chemistry is also proposed based on the existence of expected and rearranged isomeric oxazoles.

CuI-catalyzed and air promoted oxidative cyclization for one-pot synthesis of polyarylated oxazoles

Hu, Ping,Wang, Qiang,Yan, Yizhe,Zhang, Shuai,Zhang, Baiqun,Wang, Zhiyong

supporting information, p. 4304 - 4307 (2013/08/23)

A facile CuI-catalyzed and air promoted oxidative cyclization was developed for the synthesis of polyarylated oxazoles. By virtue of this method, a variety of arylated oxazoles could be easily synthesized from readily available starting materials at room temperature in air. The Royal Society of Chemistry 2013.

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