Bis[(pinacolato)boryl]methane

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Names

[ CAS No. ]:
78782-17-9

[ Name ]:
Bis[(pinacolato)boryl]methane

[Synonym ]:
4,4,5,5-tetramethyl-2-[(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)methyl]-1,3,2-dioxaborolane
2,2'-Methylenebis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)
1,3,2-Dioxaborolane, 2,2'-methylenebis[4,4,5,5-tetramethyl-

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
272.0±23.0 °C at 760 mmHg

[ Melting Point ]:
53 °C

[ Molecular Formula ]:
C13H26B2O4

[ Molecular Weight ]:
267.965

[ Flash Point ]:
118.3±22.6 °C

[ Exact Mass ]:
268.201721

[ PSA ]:
36.92000

[ LogP ]:
2.71000

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.435

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P305 + P351 + P338

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
36/37/38

[ Safety Phrases ]:
22-37/39

[ RIDADR ]:
NONH for all modes of transport

Synthetic Route

Precursor & DownStream

Precursor

  • Bis(pinacolato)diboron
  • Dibromomethane
  • diazomethane
  • Pinacol
  • dimethoxyboranylmethyl(dimethoxy)borane
  • Iodomethylboronic acid, pinacol ester

DownStream

  • Bis(4-fluorophenyl)methane
  • 4,4,5,5-TETRAMETHYL-2-(4-METHYLBENZYL)-1,3,2-DIOXABOROLANE
  • Benzene,1-methyl-4-[(4-methylphenyl)methyl]-
  • 2-Fluorobenzylboronic acid pinacol ester
  • 4-Fluorobenzylboronic acid pinacol ester
  • Diphenylmethane
  • 4-Methoxybenzylboronic acid pinacol ester
  • 2-Phenylethyl-1-boronic acid pinacol ester
  • 2-[2-(4-tert-butylphenyl)ethyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
  • 4,4'-ddm

Articles

Synthesis of vinyl boronates from aldehydes by a practical boron-Wittig reaction.

Org. Lett. 17(7) , 1708-11, (2015)

A highly stereoselective boron-Wittig reaction between stable and readily accessible 1,1-bis(pinacolboronates) and aldehydes furnishes a variety of synthetically useful di- and trisubstituted vinyl bo...


More Articles


Related Compounds

  • 1,2-Bis((pinacolato)boryl)ethane
  • 2,3-bis(pinacolato)boryl-1,3-butadiene
  • Bis(pinacolato)diboron
  • bis(pinacolato)diborone
  • Tin,dichlorodiphenylbis[(sulfinyl-kO)bis[methane]]- (9CI)
  • Tin,tetrachlorobis[(sulfinyl-kO)bis[methane]]-,(OC-6-11)- (9CI)
  • (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-(pyrazin-2-yl)propanoic acid
  • (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-(pyrimidin-4-yl)propanoic acid
  • Ethyl 5-methoxypyridazine-3-carboxylate
  • Ethyl 6-methoxypyridazine-4-carboxylate
  • 1-(2-Biphenyloxy)-6-chlorohexane
  • N-(2-methoxyphenethyl)-2-[4-oxo-1,2,3-benzotriazin-3(4H)-yl]acetamide
  • 2-Hydroxy-4-trifluoromethyl-benzoic acid hydrazide
  • 3,4-Dihydro-2H-1-benzopyran-6-carbonitrile
  • 2-Ethyl-1,4-diazepane
  • 4-(4-Methylphenyl)oxane-4-carbonitrile
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