82815
Pyridinium p-toluenesulfonate
puriss., ≥99.0% (T)
동의어(들):
p-Toluenesulfonic acid pyridine salt, PPTS, Pyridine p-toluenesulfonate
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크기 선택
제품정보 (DICE 배송 시 비용 별도)
실험식(Hill 표기법):
C12H13NO3S
CAS 번호:
Molecular Weight:
251.30
UNSPSC Code:
12352106
NACRES:
NA.22
PubChem Substance ID:
EC Number:
246-002-7
Beilstein/REAXYS Number:
3764305
MDL number:
Assay:
≥99.0% (T)
Form:
crystals
InChI key
ZDYVRSLAEXCVBX-UHFFFAOYSA-N
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
SMILES string
c1ccncc1.Cc2ccc(cc2)S(O)(=O)=O
grade
puriss.
assay
≥99.0% (T)
form
crystals
mp
117-120 °C
functional group
tosylate
Quality Level
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Application
Pyridinium p-toluenesulfonate is a mild and efficient catalyst for the formation and cleavage of acetals. This method has been adapted in the completely symmetric synthesis of tetrahydrolipstatin. It is also capable of selectively cleaving tert-butyldimethylsilyl (TBDMS) ethers in the presence of tert-butyldiphenlysilyl (TBDPS) ethers.
저장 등급
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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)
L.A. Paquette et al.
Journal of the American Chemical Society, 103, 6526-6526 (1981)
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