Pyridinium p-Toluenesulfonate
Synonym(s):p-Toluenesulfonic acid pyridine salt;PPTS;Pyridine p-toluenesulfonate;Pyridinium 4-toluenesulfonate
- CAS NO.:24057-28-1
- Empirical Formula: C12H13NO3S
- Molecular Weight: 251.3
- MDL number: MFCD00013108
- EINECS: 246-002-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-05-06 10:41:32
What is Pyridinium p-Toluenesulfonate ?
The Uses of Pyridinium p-Toluenesulfonate
Pyridinium p-Toluenesulfonate is used in the synthesis of a subdomain of the cytochrome P450 BM3 enzyme, for use in screening systems for drug candidates.
The Uses of Pyridinium p-Toluenesulfonate
To a flask containing the SM (13.15 g, 52.8 mmol) in dry DCM (90 mL) was added 3,4-dihydro-2H-pyran (10 mL, 110 mmol) followed by pyridinium p-TsOH (0.13 g, 0.53 mmol). The reaction mixture was stirred at a gentle reflux (50 C) for 24 h (monitored by TLC and LCMS). The mixture was concentrated in vacuo. The resulting material was diluted with MeOH and heated in a flask on a rotovap (without vacuum) at 40 C for about 30 min. The mixture was concentrated to about 5 mL in volume, cooled to RT, and filtered. The resulting white solid was rinsed with MeOH (1x) to provide the product. [13.35 g, 76%]
Properties of Pyridinium p-Toluenesulfonate
Melting point: | 117-120 °C |
Density | 1.2829 (rough estimate) |
storage temp. | Store below +30°C. |
solubility | DMSO (Sparingly), Methanol (Slightly) |
appearance | Colorless solid |
form | Crystalline Powder or Crystals |
color | White to light beige |
Water Solubility | decomposes |
Sensitive | Moisture Sensitive |
Safety information for Pyridinium p-Toluenesulfonate
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for Pyridinium p-Toluenesulfonate
InChIKey | ZDYVRSLAEXCVBX-UHFFFAOYSA-N |
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NSR Laboratories Pvt. Ltd.
Dynarx Technology India Limited
Resins and Allied Products
SURVIVAL TECHNOLOGIES LIMITED
Sarex Overseas
SRIWEN LABS
Vardhaman P Golechha
SVH BIOSCIENCES
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