2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

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Names

[ CAS No. ]:
347389-74-6

[ Name ]:
2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

[Synonym ]:
2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
Ethynylboronic Acid Pinacol Ester
1,3,2-Dioxaborolane, 2-ethynyl-4,4,5,5-tetramethyl-

Chemical & Physical Properties

[ Density]:
0.9±0.1 g/cm3

[ Boiling Point ]:
132.6±23.0 °C at 760 mmHg

[ Melting Point ]:
25 °C

[ Molecular Formula ]:
C8H13BO2

[ Molecular Weight ]:
151.999

[ Flash Point ]:
34.0±22.6 °C

[ Exact Mass ]:
152.100861

[ PSA ]:
18.46000

[ LogP ]:
1.25100

[ Vapour Pressure ]:
10.8±0.2 mmHg at 25°C

[ Index of Refraction ]:
1.427

MSDS

Click to get detail MSDS

Safety Information

[ RIDADR ]:
UN 3272 3/PG III

[ Packaging Group ]:
III

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Isopropoxyboronic acid pinacol ester
  • lithium acetylide-ethylenediamine complex

DownStream

  • 3-Methoxycarbonylphenylboronic acid pinacol ester
  • Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate
  • METHYL 2-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)BENZOATE
  • 2-Chloro-3-methylpyridine-4-boronic acid pinacol ester
  • 2-chloro-3-methylpyridine-5-boronic acid pinacol ester
  • 1-phenyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole
  • 1-Phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
  • 3,6-dichloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridazine

Related Compounds

  • 2-[2-(4-fluorophenyl)ethynyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
  • 2-[2-(4-methoxyphenyl)ethynyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
  • 4,4,5,5-TETRAMETHYL-2-(PHENYLETHYNYL)-1,3,2-DIOXABOROLANE
  • 2-(cyclobutylmethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
  • 2-(bromomethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
  • 2-cyclopentyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
  • 3-[[(2,3-Dihydroxypropyl)methylamino]sulfonyl]benzoic acid
  • 1-Chloro-3,6,9,12,15-pentaoxanonadecane
  • 3-(Difluoromethyl)-4-(2,2,2-trifluoroethoxy)aniline
  • 3-(3,5-bis(trifluoromethyl)phenyl)-4-iodo-1H-pyrazole
  • 2-Butenoic acid, 4-(2,1-benzisothiazol-3-ylamino)-4-oxo-, (Z)-
  • 4-Methyl-2-[(thiophen-2-yl)methyl]pyrimidine-5-carboxylic acid
  • 6-Bromo-4-chloro-8-methylquinazoline
  • 4-Methyl-5-isoxazolecarboxamide
  • N-(5'-Adenosyl)-N'-(5'-thymidyl)azelaamide
  • Ethyl 5-bromo-2,1-benzisoxazole-3-carboxylate
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