1010840-17-1

Basic information

• Product Name: Ethyne-1,2-diyldiboronic acid dipinacol ester
• Synonyms: 1,2-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethyne;Acetylene-1,2-diyl bis(boronic acid pinacol ester);Ethyne-1,2-diyl bis(boronic acid pinacol ester);Ethyne-1,2-diyldiboronic acid dipinacol ester
• CAS NO: 1010840-17-1
• Molecular Formula: C₁₄H₂₄B₂O₄
• Molecular Weight: 313.99052
• Mol File: 1010840-17-1.mol
• Article Data: 4

Chemical Properties

• Melting Point: 269°C
• Boiling Point: 257.5±23.0 °C(Predicted)
• Appearance: /
• Density: 1.00±0.1 g/cm3(Predicted)
• Storage Temp.: 2-8°C
• CAS DataBase Reference: Ethyne-1,2-diyldiboronic acid dipinacol ester(CAS DataBase Reference)
• NIST Chemistry Reference: Ethyne-1,2-diyldiboronic acid dipinacol ester(1010840-17-1)
• EPA Substance Registry System: Ethyne-1,2-diyldiboronic acid dipinacol ester(1010840-17-1)

Safety Data

• WGK Germany: 3
• Hazardous Substances Data: 1010840-17-1(Hazardous Substances Data)

Usage

Uses

Reactant for the preparation of:Poly(p-phenyleneethynylene)s (PPEs), which are used in constructing organic light-emitting diodes (OLEDs), field-effect transistors (FETs) and several other materials used in electronic devices

Upstream product

• 79-01-6 Trichloroethylene 
• 61676-62-8 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 
• 1195-66-0 2-methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 

Downstream Products

• 20199-19-3 1,2-bis(9-anthryl)acetylene 
• 501-65-5 diphenyl acetylene 
• 2132-62-9 4,4'-dimethoxydiphenylacetylene 
• 119757-51-6 1,2-bis(4-(trifluoromethyl)phenyl)ethyne 
• 607716-27-8 4,4’-(1,2-ethynediyl)bis[N,N-diphenylbenzenamine] 
• 79135-52-7 1,2-bis(4-isopropylphenyl)acetylene 

Relevant articles and documents

Synthesis of water-soluble poly(p-phenyleneethynylene) in neat water under aerobic conditions via Suzuki-Miyaura polycondensation using a diborylethyne synthon

(Chemical Equation Presented) We report the synthesis, structure, and characterization of a novel ethyne synthon, 1,2-bis(4′,4′,5′, 5′-tetramethyl[1′,3′,2′]dioxaborolan-2′-yl) -ethyne (B2C2). We demonstrate the utility of B2C2 in the Suzuki-Miyaura polyco

Boronate Ester Bullvalenes

Boronate ester bullvalenes are now accessible in two to four operationally simple steps. This unlocks late-stage diversification through Suzuki cross-coupling reactions to give mono-, di-, and trisubstituted bullvalenes. Moreover, a linchpin strategy enab