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4-Ethenylcyclooctene, also known as 4-vinylcyclooctene, is a colorless liquid organic compound with the chemical formula C10H16. It features a cyclooctene ring with a vinyl group (C=C) attached to the 4th carbon atom. This molecule is an important intermediate in the synthesis of various pharmaceuticals, agrochemicals, and specialty chemicals due to its unique structure and reactivity. It can undergo a variety of chemical reactions, such as Diels-Alder reactions, hydrogenation, and halogenation, making it a versatile building block in organic synthesis. The compound is typically synthesized through the cyclization of 1,7-octadiene or through the reaction of cyclooctanone with vinylmagnesium bromide. 4-Ethenylcyclooctene is also known for its potential applications in materials science, such as in the development of new polymers and elastomers.

1124-45-4

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1124-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1124-45-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,2 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1124-45:
(6*1)+(5*1)+(4*2)+(3*4)+(2*4)+(1*5)=44
44 % 10 = 4
So 1124-45-4 is a valid CAS Registry Number.

1124-45-4Downstream Products

1124-45-4Relevant academic research and scientific papers

Synthesis of (E,E)- and (Z,Z)-1,5-Cycloalkadienes by Means of the Electrochemical Cyclization of Allylic 1,ω-Dibromides

Tokuda, Masao,Satoh, Kuniaki,Suginome, Hiroshi

, p. 2429 - 2434 (2007/10/02)

Electrolysis of (E,E)-1,n-dibromo-2,(n-2)-alkadienes (n=12, 14) in tetrahydrofuran gave the corresponding twelve or fourteen-membered (E,E)-1,5-cycloalkadienes, albeit in low yields, together with (E)-4-vinylcycloalkenes and isomeric alkadienes.Similar electrolysis of (Z,Z)-1,n-dibromo-2,(n-2)-alkadienes (n=10, 12, 14) gave the corresponding ten, twelve, or fourteen-membered (Z,Z)-1,5-cycloalkadienes in 11 to 13percent yields, with the accompanying formation of (Z)-4-vinylcycloalkenes and isomeric alkadienes.

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