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Sigma-Aldrich

[1,4-Bis(diphenylphosphino)butane](1,5-cyclooctadiene)rhodium(I) tetrafluoroborate

98%

Sinonimo/i:

[Rh(dppb)(COD)]BF4

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About This Item

Formula empirica (notazione di Hill):
C36H40BF4P2Rh
Numero CAS:
Peso molecolare:
724.36
Numero MDL:
Codice UNSPSC:
12161600
ID PubChem:
NACRES:
NA.22

Saggio

98%

Impiego in reazioni chimiche

core: rhodium
reagent type: catalyst

Punto di fusione

205 °C (dec.) (lit.)

Stringa SMILE

[Rh+].F[B-](F)(F)F.C1CC=CCCC=C1.C(CCP(c2ccccc2)c3ccccc3)CP(c4ccccc4)c5ccccc5

InChI

1S/C28H28P2.C8H12.BF4.Rh/c1-5-15-25(16-6-1)29(26-17-7-2-8-18-26)23-13-14-24-30(27-19-9-3-10-20-27)28-21-11-4-12-22-28;1-2-4-6-8-7-5-3-1;2-1(3,4)5;/h1-12,15-22H,13-14,23-24H2;1-2,7-8H,3-6H2;;/q;;-1;+1/b;2-1-,8-7-;;
YESRLRPURJQQBI-ONEVTFJLSA-N

Descrizione generale

[1,4-Bis(diphenylphosphino)butane](1,5-cyclooctadiene)rhodium(I) tetrafluoroborate is a rhodium-based catalyst used for regioselective hydrogenation and enantioselective reductive amination reactions.

Applicazioni

[1,4-Bis(diphenylphosphino)butane](1,5-cyclooctadiene)rhodium(I)tetrafluoroborate can be used as a catalyst for the:
  • Regioselective hydrogenation of thebaine to synthesize tetrahydrothebaine.
  • Enantioselective reductive amination of α-ketoacids with benzylamines to synthesize α-N-benzylamino acids.
  • Stereoselective hydrogenation of α-(hydroxymethyl)-acrylate derivatives to synthesize 3-hydroxy-2-methylpropanoates.

Pittogrammi

Exclamation mark

Avvertenze

Warning

Indicazioni di pericolo

Classi di pericolo

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves


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Christopher J Lata et al.
Journal of the American Chemical Society, 132(1), 131-137 (2009-12-09)
The addition of Lewis acids such as trispentafluoroboron as cocatalysts has been found to have a dramatic effect on the Rh-catalyzed hydroboration of olefins with pinacol borane. For example, aliphatic olefins do not react at all in noncoordinating solvents, but
Akihiro Takemiya et al.
Journal of the American Chemical Society, 128(18), 6042-6043 (2006-05-04)
The intramolecular anti-Markovnikov hydroamination of 1-(3-aminopropyl)vinylarenes in the presence of a readily available rhodium catalyst to form 3-arylpiperidines is reported. In contrast to intermolecular hydroamination of vinylarenes, which occurred in high yields in the presence of rhodium catalysts containing DPEphos
Dariusz Gołowicz et al.
ChemistryOpen, 8(2), 196-200 (2019-03-01)
Low-field benchtop nuclear magnetic resonance (BT-NMR) spectrometers with Halbach magnets are being increasingly used in science and industry as cost-efficient tools for the monitoring of chemical reactions, including hydrogenation. However, their use of low-field magnets limits both resolution and sensitivity.

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