82815
Pyridinium p-toluenesulfonate
puriss., ≥99.0% (T)
Synonym(s):
p-Toluenesulfonic acid pyridine salt, PPTS, Pyridine p-toluenesulfonate
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$78.20
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$162.00
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25 G
$78.20
100 G
$162.00
About This Item
Empirical Formula (Hill Notation):
C12H13NO3S
CAS Number:
Molecular Weight:
251.30
Beilstein/REAXYS Number:
3764305
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
grade
puriss.
Quality Level
assay
≥99.0% (T)
form
crystals
mp
117-120 °C
functional group
tosylate
SMILES string
c1ccncc1.Cc2ccc(cc2)S(O)(=O)=O
InChI
1S/C7H8O3S.C5H5N/c1-6-2-4-7(5-3-6)11(8,9)10;1-2-4-6-5-3-1/h2-5H,1H3,(H,8,9,10);1-5H
InChI key
ZDYVRSLAEXCVBX-UHFFFAOYSA-N
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Application
Pyridinium p-toluenesulfonate is a mild and efficient catalyst for the formation and cleavage of acetals.[1][2][3][4][5][6][7] This method has been adapted in the completely symmetric synthesis of tetrahydrolipstatin.[8] It is also capable of selectively cleaving tert-butyldimethylsilyl (TBDMS) ethers in the presence of tert-butyldiphenlysilyl (TBDPS) ethers.[9]
Storage Class
11 - Combustible Solids
wgk_germany
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Customers Also Viewed
R.S. Bhide et al.
Tetrahedron Letters, 27, 671-671 (1986)
Pyridinium p-toluenesulfonate. A mild and efficient catalyst for the tetrahydropyranylation of alcohols
N. Miyashita et al.
The Journal of Organic Chemistry, 42, 3773-3773 (1977)
L.A. Paquette et al.
The Journal of Organic Chemistry, 46, 3368-3368 (1981)
H. Monti et al.
Synthetic Communications, 13, 1021-1021 (1983)
R. Sterzycki
Synthesis, 724-724 (1979)
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