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687219 Sigma-Aldrich

1-Pentynylboronic acid pinacol ester

90%

Synonym: 2-(1-Pentynyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

  • CAS Number 634196-62-6

  • Empirical Formula (Hill Notation) C11H19BO2

  • Molecular Weight 194.08

  •  MDL number MFCD09842763

  •  PubChem Substance ID 329761111

  •  NACRES NA.22

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Properties

Related Categories Alkynyl Boronate Esters, Boronate Esters, Boronic Acids and Derivatives, Chemical Synthesis, Organometallic Reagents More...
InChI Key   RXNSNUUTGWELNS-UHFFFAOYSA-N
assay   90%
refractive index   n20/D 1.4479
bp   68-72 °C/0.09 mmHg
density   0.9057 g/mL at 25 °C

Description

Packaging

1 g in glass bottle

Safety & Documentation

Safety Information

RIDADR 
NA 1993 / PGIII
WGK Germany 
3
Flash Point(F) 
154.4 °F
Flash Point(C) 
68 °C
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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