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232238 Sigma-Aldrich

Pyridinium p-toluenesulfonate

98%

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

  • CAS Number 24057-28-1

  • Empirical Formula (Hill Notation) C12H13NO3S

  • Molecular Weight 251.30

  •  Beilstein/REAXYS Number 3764305

  •  EC Number 246-002-7

  •  MDL number MFCD00013108

  •  PubChem Substance ID 24853887

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Properties

Related Categories Acids, Acids & Bases, Building Blocks, C12, Chemical Synthesis,
assay   98%
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

Description

Packaging

5, 25, 100, 500 g in poly bottle

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).

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 2
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

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Peer-Reviewed Papers
15

References

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