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Benzene, [[(1E)-5-methoxy-1-penten-3-ynyl]seleno]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

664985-31-3

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664985-31-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 664985-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,4,9,8 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 664985-31:
(8*6)+(7*6)+(6*4)+(5*9)+(4*8)+(3*5)+(2*3)+(1*1)=213
213 % 10 = 3
So 664985-31-3 is a valid CAS Registry Number.

664985-31-3Downstream Products

664985-31-3Relevant academic research and scientific papers

Facile stereoselective synthesis of (E)-1-arylseleno-substituted 1,3-enynes and their applications in synthesis of (E)-enediynes

Fang, Xiaoniu,Jiang, Minhua,Hu, Ronghua,Cai, Mingzhong

experimental part, p. 4170 - 4181 (2009/04/11)

(E)-1-Iodo-2-arylselenoethylenes 1 underwent the Sonogashira coupling reactions with terminal alkynes 2 to afford (E)-1-arylseleno-substituted 1,3-enynes 3 in high yields. (E)-1-Arylseleno-substituted 1,3-enynes 3 were coupled with alkynylmagnesium bromides 4 in the presence of a catalytic amount of NiCl2(PPh3)2 to give stereoselectively (E)-enediynes 5 in good yields. Copyright Taylor & Francis Group, LLC.

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