5293-78-7

Basic information

• Product Name: Benzene, 1,1'-(1,2-ethynediyl)bis[2-methoxy-
• CAS NO: 5293-78-7
• Molecular Formula: C16H14O2
• Molecular Weight: 238.286
• Mol File: 5293-78-7.mol
• Article Data: 32

Chemical Properties

• CAS DataBase Reference: Benzene, 1,1'-(1,2-ethynediyl)bis[2-methoxy-(CAS DataBase Reference)
• NIST Chemistry Reference: Benzene, 1,1'-(1,2-ethynediyl)bis[2-methoxy-(5293-78-7)
• EPA Substance Registry System: Benzene, 1,1'-(1,2-ethynediyl)bis[2-methoxy-(5293-78-7)

Safety Data

• Hazardous Substances Data: 5293-78-7(Hazardous Substances Data)

Upstream product

• 186581-53-3 diazomethane 
• 93533-83-6 2,2′-(ethyne-1,2-diyl)diphenol 
• 5293-93-6 β,β-bis(o-methoxyphenyl)vinyl bromide 
• 90585-33-4 2,2'-dimethoxybenzil dihydrazone 
• 529-28-2 4-iodoanisol 
• 994-71-8 bis(tributylstannyl)acetylene 
• 21615-34-9 2-Methoxybenzoyl chloride 
• 4301-14-8 acetylenemagnesium bromide 
• 60-29-7 diethyl ether 
• 7664-41-7 ammonia 
• 56-23-5 tetrachloromethane 
• 66021-98-5 (o-methoxyphenyl)-1-propyne 
• 1066-54-2 trimethylsilylacetylene 
• 6706-92-9 2,2'-dimethoxybenzil 

Downstream Products

• 28238-45-1 methyl 2-(2-methoxyphenyl)benzo[b]furan-3-carboxylate 
• 42926-53-4 2-(2’-methoxyphenyl)benzofuran 
• 1404432-63-8 1-(iodomethyl)-2,3-bis(2-methoxyphenyl)-1-methyl-1H-indene 
• 1402215-58-0 C₅₄H₄₃NO₄ 
• 1402215-59-1 C₆₄H₅₆N₂O₄ 
• 1402170-18-6 C₁₈H₁₄O₄ 
• 1469444-93-6 (Z)-1-methoxy-2-(2-phenyl-2-o-methoxyphenylvinyl)benzene 
• 1469445-24-6 (E)-1-methoxy-2-(2-phenyl-2-o-methoxyphenylvinyl)benzene 
• 1370605-16-5 2,3-bis(2-methoxyphenyl)-1H-inden-1-one 

Relevant articles and documents

Rhodium-Catalyzed Regioselective Hydroformylation of Alkynes to α,β-Unsaturated Aldehydes Using Formic Acid

A rhodium-catalyzed hydroformylation of alkynes with formic acid was developed. The method provides α,β-unsaturated aldehydes in high yield and E-selectivity without the need to handle toxic CO gas.

Diborative Reduction of Alkynes to 1,2-Diboryl-1,2-Dimetalloalkanes: Its Application for the Synthesis of Diverse 1,2-Bis(boronate)s

Reduction of alkynes with alkali metals in the presence of B2pin2 results in diboration of alkynes. Distinct from conventional dissolving metal hydrogenations, two carbon-boron bonds and also two carbon-alkali metal bonds can be constructed in one operation to form 1,2-diboryl-1,2-dimetalloalkanes. The 1,2-diboryl-1,2-dimetalloalkanes generated are readily convertible to a wide range of vicinal bis(boronate)s. In particular, oxidation of the 1,2-dianionic species provides (E)-1,2-diborylalkenes, unique anti-selective diboration of alkynes being thus executed.

Direct Synthesis of Symmetric Diarylethynes from Calcium Carbide and Arylboronic Acids/Esters

A new methodology for the direct synthesis of symmetric diarylethynes from the reactions of calcium carbide with arylboronic acids/esters is described. Various symmetric diarylethynes were generated from the corresponding arylboronic acids/esters in satisfactory yield by using a palladium catalyst. The advantages of this protocol include the use of a readily available and easy-to-handle acetylene source, and a simple work-up procedure.