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718890 Sigma-Aldrich

4,4′-(Acetylene-1,2-diyl)bis(phenylboronic acid pinacol ester)

95%

Synonym: 1,2-Bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetylene

  • CAS Number 849681-64-7

  • Empirical Formula (Hill Notation) C26H32B2O4

  • Molecular Weight 430.15

  •  MDL number MFCD16294524

  •  PubChem Substance ID 329763614

  •  NACRES NA.22

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Properties

Related Categories Aryl Boronate Esters, Boronate Esters, Boronic Acids and Derivatives, Chemical Synthesis, Organometallic Reagents More...
Quality Level   100
assay   95%
mp   275-280 °C
SMILES string   CC1(C)OB(OC1(C)C)c2ccc(cc2)C#Cc3ccc(cc3)B4OC(C)(C)C(C)(C)O4
InChI   1S/C26H32B2O4/c1-23(2)24(3,4)30-27(29-23)21-15-11-19(12-16-21)9-10-20-13-17-22(18-14-20)28-31-25(5,6)26(7,8)32-28/h11-18H,1-8H3
InChI key   QJTLCFKOLMALPJ-UHFFFAOYSA-N

Description

Packaging

1 g in glass bottle

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

Boronic Acid Esters - Chemfiles Volume 4 Article 2

The synthesis of biaryl compounds via the Suzuki–Miyaura coupling reaction has become more commonplace now that many arylboronic acids are readily available. Several years ago, Miyaura et al. demonst...
Chemfiles Volume 4 Article 2
Keywords: Coupling reactions, Suzuki-Miyaura coupling

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Alkynes and Acetylenic Building Blocks

We list over 600 alkyne building blocks, including a wide array of propargyl alcohols, acetylenic boron reagents, and halogenated substrates for cross-coupling. Additionally, many of these are termin...
Keywords: Building blocks, Coupling reactions, Cross couplings

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