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1-phenyl-4-(4-methoxyphenyl)-2-(2,2,2-trifluoroethylidene)-3-butyn-1-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

264279-08-5

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264279-08-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 264279-08-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,4,2,7 and 9 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 264279-08:
(8*2)+(7*6)+(6*4)+(5*2)+(4*7)+(3*9)+(2*0)+(1*8)=155
155 % 10 = 5
So 264279-08-5 is a valid CAS Registry Number.

264279-08-5Downstream Products

264279-08-5Relevant academic research and scientific papers

Synthesis of 3-Trifluoroethylfurans by Palladium-Catalyzed Cyclization-Isomerization of (Z)-2-Alkynyl-3-trifluoromethyl Allylic Alcohols

Qing, Feng-Ling,Gao, Wen-Zhong,Ying, Jiewen

, p. 2003 - 2006 (2007/10/03)

Hydroiodonation of trifluoromethyl propargylic alcohols 1 regio- and stereoselectively produce (Z)-2-iodo-3-trifluoromethyl allylic alcohols 2. (Z)-2-Alkynyl-3-trifluoromethyl allylic alcohols 5, available through Pd(PPh3)4-mediated coupling of 2 and terminal alkynes 4, cyclize and subsequently isomerize to 3-trifluoroethylfurans 6 upon catalysis under PdCl2(CH3CN)2 in THF at 5-10°C.

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