75731-44-1

Basic information

• Product Name: 3,4'-DIMETHOXYBENZOPHENONE
• Synonyms: 4,3'-DIMETHOXYBENZOPHENONE;OTAVA-BB 1044035
• CAS NO: 75731-44-1
• Molecular Formula: C₁₅H₁₄O₃
• Molecular Weight: 242.27
• Mol File: 75731-44-1.mol
• Article Data: 15

Chemical Properties

• Boiling Point: 394.7°C at 760 mmHg
• Flash Point: 184.1°C
• Appearance: /
• Density: 1.123g/cm³
• Vapor Pressure: 1.94E-06mmHg at 25°C
• Refractive Index: 1.557
• CAS DataBase Reference: 3,4'-DIMETHOXYBENZOPHENONE(CAS DataBase Reference)
• NIST Chemistry Reference: 3,4'-DIMETHOXYBENZOPHENONE(75731-44-1)
• EPA Substance Registry System: 3,4'-DIMETHOXYBENZOPHENONE(75731-44-1)

Safety Data

• Hazardous Substances Data: 75731-44-1(Hazardous Substances Data)

Usage

Preparation

Obtained by photolysis of 2-bromo-3–′,4-dimethoxybenzophenone in acetonitrile under nitrogen at 350 nm for 48 min (18%).

InChI:InChI=1/C15H14O3/c1-17-13-8-6-11(7-9-13)15(16)12-4-3-5-14(10-12)18-2/h3-10H,1-2H3

Upstream product

• 100-66-3 methoxybenzene 
• 94055-47-7 (3-Methoxy-phenyl)-(10-methyl-anthracen-9-yl)-methanone 
• 67-66-3 chloroform 
• 696-62-8 para-iodoanisole 
• 1711-05-3 m-anisoyl chloride 
• 70744-47-7 (p-methoxyphenyl)tri-n-butylstannane 
• 5720-07-0 4-methoxyphenylboronic acid 
• 10365-98-7 3-methoxyphenylboronic acid 
• 100-07-2 4-methoxy-benzoyl chloride 
• 104-92-7 1-bromo-4-methoxy-benzene 
• 54308-43-9 2-(3-methoxyphenyl)-1,3-dithiane 
• 794-94-5 p-Methoxybenzoic anhydride 
• 122439-11-6 tributyl(3-methoxyphenyl)stannane 
• 586-38-9 3-Methoxybenzoic acid 

Downstream Products

• 586-38-9 3-Methoxybenzoic acid 
• 100-09-4 4-methoxybenzoic acid 
• 120265-05-6 (3-methoxyphenyl)(4-methoxyphenyl)methanol 
• 1351533-22-6 C₂₅H₁₆N₂O₇ 
• 118570-55-1 3,4'-bis(4-aminophenoxy)-benzophenone 
• 1224640-84-9 C₄F₉O₆S₃^(1-)*C₂₇H₂₃O₃S⁽¹⁺⁾ 
• 114187-45-0 1-bromo-2-(3-methoxy-phenyl)-2-(4-methoxy-phenyl)-1-phenyl-ethene 
• 860747-33-7 (3-methoxy-phenyl)-(4-methoxy-phenyl)-acetaldehyde 
• 52528-96-8 3,4'-dimethoxy-deoxybenzoin 
• 78480-27-0 3,4'-dihydroxydiphenylmethane 
• 263395-56-8 4'-methoxymethoxy-3-(trimethylacetoxy)benzophenone 
• 263395-57-9 4'-hydroxy-3-(trimethylacetoxy)benzophenone 
• 263395-66-0 (4-methoxymethoxy-phenyl)-(3-methoxymethoxy-phenyl)-methanone 
• 263395-65-9 4'-[2-(N,N-dimethylamino)ethoxy]-3-hydroxybenzophenone 

Relevant articles and documents

Palladium-catalyzed cross-coupling of aroyl chlorides with aryl stannanes in the presence of triethylsilane: Efficient access to aromatic ketones

Herein, we report the development of a palladium-catalyzed cross-coupling reaction that focuses on the preparation of aromatic ketones. Aroyl chlorides react quickly at 120 °C with aryl stannanes in the presence of Pd(PPh3)4 and Et3SiH to efficiently give the corresponding ketones without the formation of significant decarbonylated byproducts. In other words, the decarbonylative side reaction is practically suppressed by simply adding Et3SiH to the reaction mixture, which reduces the amount of biaryl impurities in the products.

Iron-catalyzed carbonylation of aryl halides with arylborons using stoichiometric chloroform as the carbon monoxide source

A general iron-catalyzed carbonylative Suzuki-Miyaura coupling of aryl halides with arylborons is reported, using stoichiometric CHCl3 as the CO source. The high efficiency, economy, selectivity, and operational simplicity of this transformation make this method a valuable tool in organic synthesis. Importantly, the presented strategy allows effective 13C labeling simply by using the commercially available 13C-labeled CHCl3. On the basis of the initial mechanistic exploration, an aryl radical intermediate is proposed in the present carbonylation process.

Synthesis of ketones via organolithium addition to acid chlorides using continuous flow chemistry

An efficient method for the synthesis of ketones using organolithium and acid chlorides under continuous flow conditions has been developed. In contrast to standard batch chemistry, over-addition of the organolithium to the ketone for the formation of the undesired tertiary alcohol has been minimised representing a direct approach toward ketones.