179117-39-6

Basic information

• Product Name: 1,3,2-Dioxaborolane, 2,2'-[(1Z)-1-ethyl-2-phenyl-1,2-ethenediyl]bis[4,4,5,5-tetramethyl-
• CAS NO: 179117-39-6
• Molecular Formula: C22H34B2O4
• Molecular Weight: 384.132
• Mol File: 179117-39-6.mol
• Article Data: 7

Chemical Properties

• CAS DataBase Reference: 1,3,2-Dioxaborolane, 2,2'-[(1Z)-1-ethyl-2-phenyl-1,2-ethenediyl]bis[4,4,5,5-tetramethyl-(CAS DataBase Reference)
• NIST Chemistry Reference: 1,3,2-Dioxaborolane, 2,2'-[(1Z)-1-ethyl-2-phenyl-1,2-ethenediyl]bis[4,4,5,5-tetramethyl-(179117-39-6)
• EPA Substance Registry System: 1,3,2-Dioxaborolane, 2,2'-[(1Z)-1-ethyl-2-phenyl-1,2-ethenediyl]bis[4,4,5,5-tetramethyl-(179117-39-6)

Safety Data

• Hazardous Substances Data: 179117-39-6(Hazardous Substances Data)

Upstream product

• 622-76-4 1-phenyl-1-butyne 
• 25015-63-8 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane 
• 73183-34-3 bis(pinacol)diborane 

Downstream Products

• 68684-64-0 9-ethyl-10-phenylphenanthrene 
• 69298-48-2 (Z)-1,2-dibromo-1-phenylbut-1-ene 
• 572908-64-6 (Z)-1-(1-[3-N,N-dimethylaminopropyloxy]-pyrazol-4-yl)-2-(2-fluorophenyl)-1-phenyl-1-butene 

Relevant articles and documents

Dehydrogenative Diboration of Alkynes Catalyzed by Ir/CO/tBuNC System

Catalytic dehydrogenative diboration (DHDB) of alkyne with HBpin was achieved using [Ir(COD)Cl]2 and other related Ir precursors under CO atmosphere. The selectivity for DHDB over hydroboration was higher in less polar solvents and under higher

Copper-catalyzed borylation reactions of alkynes and arynes

One, two, three, four: A copper(I)-phosphine complex catalyzes the diborylation of alkynes and arynes, and the tri- or tetraborylation of propargyl ethers (see scheme; pin=pinacolato). In the latter cases, the C-O bond(s) as well as the C≡C bond are borylated in one pot. Furthermore, a diborylation product serves as an intermediate in the efficient synthesis of ortho-terphenyls with pharmacological activity.

Palladium-catalyzed double cross-coupling reaction of 1,2- bis(pinacolatoboryl)alkenes and -arenes with 2,2′-dibromobiaryls: Annulative approach to functionalized polycyclic aromatic hydrocarbons

This study demonstrates that the double cross-coupling reaction of 1,2-bis(pinacolatoboryl)alkenes and -arenes with 2,2′-dibromobiaryls proceeds smoothly with the aid of a catalytic amount of Pd(PPh3) 4 in the presence of excess base to give a variety of polycyclic aromatic hydrocarbons, such as phenanthrenes, [5]helicene, dithienobenzenes, triphenylenes, dibenzo[g,p]chrysenes, and triphenyleno[1,2-b:4,3-b′] dithiophenes in good to high yields. It is noteworthy that the annulations using 2,2′-dibromooctafluorobiphenyl as an electrophile furnish the otherwise difficult to synthesize octafluorophenanthrenes and semi-fluorinated dibenzo[g,p]chrysenes in high yields.