93098
Triphenylphosphine hydrobromide
purum, ≥96.0% (T)
Synonym(s):
Ph3P · HBr, Triphenylphosphonium bromide
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About This Item
Linear Formula:
(C6H5)3P · HBr
CAS Number:
Molecular Weight:
343.20
EC Number:
229-012-6
UNSPSC Code:
12352002
PubChem Substance ID:
Beilstein/REAXYS Number:
3633387
MDL number:
grade
purum
assay
≥96.0% (T)
reaction suitability
reagent type: ligand
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
Other Notes
Mild reagent for the direct preparation of allylic phosphonium salts from allylic alcohols; Acidic catalyst for the cleavage of acetals, ethers and esters; formation of THP-ethers of tert-alcohols; Convenient and quantitative source of gaseous hydrogen bromide
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 3
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
Regulatory Information
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A. Hercouet et al.
Synthesis, 157-157 (1988)
V. Bolitt et al.
Tetrahedron Letters, 29, 4583-4583 (1988)
H R Sliwka et al.
Acta chemica Scandinavica. Series B: Organic chemistry and biochemistry, 41(4), 245-252 (1987-04-01)
The structure of a sponge metabolite from Microciona prolifera, previously considered to be (6S)-2,3-didehydro- or 3,4-didehydro-gamma, chi-carotene, has been further studied. Attempted total synthesis of the 3,4-didehydro derivative provided the hitherto unknown gamma, chi-carotene, the synthesis of which is described.