380428-45-5

Basic information

• Product Name: 2,5-Cyclohexadiene-1,4-dione, 2-[(1E)-2-(4-bromophenyl)ethenyl]-
• CAS NO: 380428-45-5
• Molecular Formula: C14H9BrO2
• Molecular Weight: 289.128
• Mol File: 380428-45-5.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 2,5-Cyclohexadiene-1,4-dione, 2-[(1E)-2-(4-bromophenyl)ethenyl]-(CAS DataBase Reference)
• NIST Chemistry Reference: 2,5-Cyclohexadiene-1,4-dione, 2-[(1E)-2-(4-bromophenyl)ethenyl]-(380428-45-5)
• EPA Substance Registry System: 2,5-Cyclohexadiene-1,4-dione, 2-[(1E)-2-(4-bromophenyl)ethenyl]-(380428-45-5)

Safety Data

• Hazardous Substances Data: 380428-45-5(Hazardous Substances Data)

Upstream product

• 380428-42-2 (E)-1-(4-bromophenyl)-2-(2,5-dimethoxyphenyl)ethene 
• 380428-44-4 (E)-2-[2-(4-bromophenyl)ethenyl]hydroquinone 

Relevant articles and documents

Formation and reactivity of 2-styryl-1,4-benzoquinones

The 2-styryl-1,4-benzoquinones 7a,b, generated by the oxidation of the corresponding hydroquinones 6a,b, dimerize at room temperature in a Diels-Alder reaction. The strictly chemo-, regio- and stereoselective process can be rationalized by means of frontier orbital interactions. The polycyclic adducts 8a,b undergo a further intramolecular cycloaddition (8a,b → 10a,b) after oxidation on silica gel.