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Sigma-Aldrich

Pyridinium p-toluenesulfonate

98%

Synonym(s):

p-Toluenesulfonic acid pyridine salt, PPTS, Pyridine p-toluenesulfonate

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About This Item

Empirical Formula (Hill Notation):
C12H13NO3S
CAS Number:
Molecular Weight:
251.30
Beilstein:
3764305
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.22

Assay

98%

form

solid

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

As a co-catalyst with L-proline improved both yield and enantioselectivity of an asymmetric aldol condensation between dioxanones and aldehydes.
Efficient catalyst for the preparation of tetrahydropyranyl ethers (for OH-protection using DHP, cat. no. D106208).

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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The Journal of Organic Chemistry, 57, 1722-1722 (1992)
Journal of the American Chemical Society, 114, 5086-5086 (1992)
Synlett, 2387-2387 (2006)
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Nanocomposite microparticle (nCmP) systems exhibit promising potential in the application of therapeutics for pulmonary drug delivery. This work aimed at identifying the optimal spray-drying condition(s) to prepare nCmP with specific drug delivery properties including small aerodynamic diameter, effective nanoparticle (NP)
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Journal of biomaterials applications, 34(1), 104-116 (2019-04-27)

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