5682-79-1

Basic information

• Product Name: 3,5-Dibromo-2,6-dimethyl-2,5-heptadien-4-one
• Synonyms: 3,5-Dibromo-2,6-dimethyl-2,5-heptadien-4-one
• CAS NO: 5682-79-1
• Molecular Formula: C₉H₁₂Br₂O
• Molecular Weight: 295.999
• Mol File: 5682-79-1.mol
• Article Data: 3

Chemical Properties

• Boiling Point: 318.1°Cat760mmHg
• Flash Point: 92.1°C
• Appearance: /
• Density: 1.582g/cm³
• Vapor Pressure: 0.000368mmHg at 25°C
• Refractive Index: 1.54
• CAS DataBase Reference: 3,5-Dibromo-2,6-dimethyl-2,5-heptadien-4-one(CAS DataBase Reference)
• NIST Chemistry Reference: 3,5-Dibromo-2,6-dimethyl-2,5-heptadien-4-one(5682-79-1)
• EPA Substance Registry System: 3,5-Dibromo-2,6-dimethyl-2,5-heptadien-4-one(5682-79-1)

Safety Data

• Hazardous Substances Data: 5682-79-1(Hazardous Substances Data)

Usage

InChI:InChI=1/C9H12Br2O/c1-5(2)7(10)9(12)8(11)6(3)4/h1-4H3

Upstream product

• 110-86-1 pyridine 
• 73806-71-0 2,3,5,6-tetrabromo-2,6-dimethyl-heptan-4-one 
• 127-08-2 potassium acetate 
• 64-17-5 ethanol 
• 504-20-1 phorone 

Downstream Products

• 504-20-1 phorone 
• 71500-18-0 3-methyl-1-[4,4,5,5-tetramethyl-2-(2-methyl-propenyl)-cyclopent-1-enyl]-but-2-en-1-one 
• 73806-71-0 2,3,5,6-tetrabromo-2,6-dimethyl-heptan-4-one 
• 1889-99-2 3-bromo-2-hydroxy-4,4,5,5-tetramethylcyclopent-2-enone 
• 10035-10-6 hydrogen bromide 
• 1889-98-1 4,4,5,5-tetramethylcyclopentane-1,2,3-trione 

Relevant articles and documents

The thorpe-ingold effect in glutarimide derivatives. Part II

Differently substituted glutarimides, 3-methylglutarimide (12), 3,3-dimethylglutarimide (14) and 3,3,4,4-tetramethylglutarimide (18) were prepared and their reactivity towards aryllithiums was investigated. The influence of Thorpe-Ingold effect on the dis

Preparation of 3-bromo-2-hydroxy-4,4,5,5-tetramethylcyclopenta-2-enone

Bromination of large batches of 2,6-dimethyl-2,5-heptadiene-4-one below -20° C. followed by dehydrobromination without intermediate isolation and recrystallization to produce 3,5-dibromo-2,6-dimethyl-2,5-heptadiene-4-one which can be cyclized without isolation to high yields of 3-bromo-2-hydroxy-4,4,5,5-tetramethylcyclopenta-2-enone is disclosed.