101789-41-7

Basic information

• Product Name: 1,2-bis(3,5-dimethylphenyl)ethane-1,2-dione
• Synonyms: 1,2-bis(3,5-dimethylphenyl)ethane-1,2-dione
• CAS NO: 101789-41-7
• Molecular Weight: 266.34
• Mol File: 101789-41-7.mol
• Article Data: 4

Chemical Properties

• CAS DataBase Reference: 1,2-bis(3,5-dimethylphenyl)ethane-1,2-dione(CAS DataBase Reference)
• NIST Chemistry Reference: 1,2-bis(3,5-dimethylphenyl)ethane-1,2-dione(101789-41-7)
• EPA Substance Registry System: 1,2-bis(3,5-dimethylphenyl)ethane-1,2-dione(101789-41-7)

Safety Data

• Hazardous Substances Data: 101789-41-7(Hazardous Substances Data)

Usage

General Description

1,2-bis(3,5-dimethylphenyl)ethane-1,2-dione is a chemical compound with the molecular formula C20H22O2. It is also known as dibenzoylmethane and is commonly used in the production of sunscreen and other cosmetic products. It has been shown to have potential antioxidant and anti-inflammatory properties and is being studied for its potential use in the treatment of skin conditions and diseases. Additionally, research has suggested that 1,2-bis(3,5-dimethylphenyl)ethane-1,2-dione may have the ability to protect against UV radiation and prevent skin aging. However, more research is needed to fully understand its potential uses and effects.

Upstream product

• 108-67-8 1,3,5-trimethyl-benzene 
• 5779-95-3 3,5-dimethylbenzaldehyde 
• 27129-86-8 1-bromomethyl-3,5-dimethylbenzene 
• 500540-48-7 1,2-bis-(3,5-dimethyl-phenyl)-2-hydroxy-ethanone 
• 556-96-7 5-bromo-1,3-xylene 
• 59417-06-0 1,4-dimethyl-2,3-dioxopiperazine 
• 5379-16-8 3,5-dimethylacetophenone 

Downstream Products

• 1443732-28-2 5-(2,6-dimethylphenyl)-2,3-bis(3,5-dimethylphenyl)pyrazine 
• 356074-72-1 2,3,4,5-tetrakis-(3,5-dimethyl-phenyl)-1-(2,4,6-trimethyl-phenyl)-cyclopenta-2,4-dienol 
• 356074-74-3 1-(3,5-difluoro-phenyl)-2,3,4,5-tetrakis-(3,5-dimethyl-phenyl)-cyclopenta-2,4-dienol 
• 356074-75-4 1-(2,6-difluoro-phenyl)-2,3,4,5-tetrakis-(3,5-dimethyl-phenyl)-cyclopenta-2,4-dienol 
• 356074-92-5 C₅(3,5-C₆H₃Me₂)4(3,5-C₆H₃F₂)Br 
• 356074-71-0 2,3,4,5-tetrakis-(3,5-dimethyl-phenyl)-1-(2,5-dimethyl-phenyl)-cyclopenta-2,4-dienol 
• 356074-70-9 1,2,3,4,5-pentakis-(3,5-dimethyl-phenyl)-cyclopenta-2,4-dienol 
• 481726-49-2 C₅(3,5-C₆H₃Me₂)5Br 
• 356074-90-3 C₅(3,5-C₆H₃Me₂)4(3,6-C₆H₃Me₂)Br 
• 356074-89-0 C₅(3,5-C₆H₃Me₂)4(3-C₆H₄Me)Br 
• 356074-91-4 C₅(3,5-C₆H₃Me₂)4(3-C₆H₄F) 
• 356074-69-6 2,3,4,5-tetrakis-(3,5-dimethyl-phenyl)-1-m-tolyl-cyclopenta-2,4-dienol 
• 356074-73-2 2,3,4,5-tetrakis-(3,5-dimethyl-phenyl)-1-(3-fluoro-phenyl)-cyclopenta-2,4-dienol 

Relevant articles and documents

Chiral Frustrated Lewis Pairs Catalyzed Highly Enantioselective Hydrosilylations of 1,2-Dicarbonyl Compounds

A highly enantioselective hydrosilylation of 1,2-dicarbonyl compounds was successfully realized for the first time utilizing the combination of tricyclohexylphosphine and chiral alkenylborane derived in situ from diyne as a frustrated Lewis pair catalyst. A variety of optically active α-hydroxy ketones and esters were obtained in 52-98% yields with 86-99% ee's.

A convenient synthesis of bromopentaarylcyclopentadienes containing methyl or fluorine substituents

The ketones C5(3,5-C6H3Me2)4(O) (5b) and C5-2,5(3,5-C6H3Me2) 2(C6H5)2(O) (5c) were prepared and characterized. The pentaarylcyclopentadienols C5(C6H5)4(Ar′)(OH) (Ar′=3,5-C6H3Me2, 6a3; Ar′=2,4,6-C6H2Me3, 6a5; Ar′=3-C6H4F, 6a6; Ar′=3,5-C6H3F2, 6a7), C5(3,5-C6H3Me2) 4(Ar′)(OH) (Ar′=3-C5H4Me, 6b2; 3,5-C5H3Me2, 6b3; 3,6-C5H3Me2, 6b4; 2,4,6-C5H2Me3, 6b5; Ar′=3-C6H4F, 6a6; Ar′=3,5-C6H3F2, 6a7; Ar′=2,6-C6H3F2, 6a8) were obtained by reaction of the corresponding Ar′Li with the ketones C5(C6H5)4(O) (5a), or C5(3,5-C6H3Me2)4(O) (5b). The synthesis and characterization of the bromopentaarylcyclopentadienes C5(C6H5)4(Ar′)(Br) (Ar′=3,5-C6H3Me2, 7a3; Ar′=2,4,6-C6H2Me3, 7a5) and C5(3,5-C6H3Me2) 4(Ar′)(Br) (Ar′=3-C5H4Me, 7b2; 3,5-C5H3Me2, 7b3; 3,6-C5H3Me2, 7b4; 2,4,6-C5H2Me3, 7b5; Ar′=3-C6H4F, 7a6; Ar′=3,5-C6H3F2, 7a7; Ar′=2,6-C6H3F2, 7a8) containing methyl groups or fluorine atoms on the Ar′ rings are reported. The bromopentaarylcyclopentadienes are isolated as a 1:2:2 mixture of three isomers when Ar and Ar′ are different, except when the latter substituent bears two fluorine or two methyl groups in the ortho positions. In these cases the reaction is regiospecific and provides a unique isomer with the di-ortho-substituted arene located in the β-position with respect to the carbon bearing the bromine atom.