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338389

Sigma-Aldrich

Triphenylphosphine hydrobromide

97%

Synonym(s):

Ph3P · HBr, Ph3P · HBr, Triphenylphosphonium bromide

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About This Item

Linear Formula:
(C6H5)3P · HBr
CAS Number:
Molecular Weight:
343.20
Beilstein/REAXYS Number:
3633387
EC Number:
MDL number:
UNSPSC Code:
12352002
PubChem Substance ID:
NACRES:
NA.22

assay

97%

reaction suitability

reaction type: Buchwald-Hartwig Cross Coupling Reaction
reaction type: Heck Reaction
reaction type: Hiyama Coupling
reaction type: Negishi Coupling
reaction type: Sonogashira Coupling
reaction type: Stille Coupling
reaction type: Suzuki-Miyaura Coupling

mp

196 °C (dec.) (lit.)

functional group

phosphine

SMILES string

Br.c1ccc(cc1)P(c2ccccc2)c3ccccc3

InChI

1S/C18H15P.BrH/c1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18;/h1-15H;1H

InChI key

CMSYDJVRTHCWFP-UHFFFAOYSA-N

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Application

Used as mild source of anhydrous HBr; catalyst for formation of THP ethers from tertiary alcohols; preparation of phosphonium salts.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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A new triphenylphosphine adduct of cyclopalladated ferrocenylpyridazine containing a chloride anion, 2a, has been synthesized from the reaction of the chloride-bridged palladacyclic dimer 1a with triphenylphosphine. The corresponding adducts 3a,b containing iodide anion have been readily prepared through anion exchange
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Here we describe general flow processes for the synthesis of alkyl and aryl azides, and the development of a new monolithic triphenylphosphine reagent, which provides a convenient format for the use of this versatile reagent in flow. The utility of

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