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

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Names

[ 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

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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
tert-butyl N-[2-(aminomethyl)-3,4,4,4-tetrafluorobutyl]carbamate
5-(2,5-Dioxooxolan-3-yl)thiophene-3-carbonitrile
3-[(2-methyl-2H-indazol-3-yl)methyl]azetidin-3-ol
4-[4-(Dimethylamino)-3-fluorophenyl]-1,3-oxazolidin-2-one
2-[1-(4-Bromo-2-methylphenyl)cyclobutyl]ethan-1-amine
(3S)-3-(5-chloro-2-ethoxyphenyl)-3-hydroxypropanoic acid
Methyl 3-(2-hydroxypropyl)-4-methoxybenzoate
3-(3-Methoxy-1,2-oxazol-5-yl)-2,2-dimethylcyclopropane-1-carboxylic acid
(1R)-1-[5-chloro-6-(propan-2-yloxy)pyridin-3-yl]-2,2,2-trifluoroethan-1-ol
O-{2-[5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]ethyl}hydroxylamine

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