1-Isopropyl-4-piperidone
- CAS NO.:5355-68-0
- Empirical Formula: C8H15NO
- Molecular Weight: 141.21
- MDL number: MFCD00038035
- EINECS: 226-339-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-06-07 16:07:22
What is 1-Isopropyl-4-piperidone?
Chemical properties
CLEAR YELLOW TO BROWN LIQUID
The Uses of 1-Isopropyl-4-piperidone
Used as a pharmaceutical intermediate.
Synthesis
Preparation of 1-Isopropyl-4-piperidone: Potassium carbonate (4.2 g, 31.1 mmol) was added into a solution of isopropylamine (2.1 mL, 3.3 mmol) in ethanol (10 mL) and the resulting mixture was heated at 75 °C. A solution of 1,1-dimethyl-4-oxopiperidinium iodide (4.0 g, 15.5 mmol) in water (5 mL) was added over a period of 30 minutes. The reaction mixture was stirred 1 hour at 75 °C, and then 12 hours at room temperature. The reaction mixture was concentrated under reduced pressure. The residue was taken up with water (25 mL) and extracted with dichloromethane (25 mL). The organic layer was dried (Na2SO4) and concentrated under vacuum. a colourless oil (1.5 g, 69 %). 1H NMR (DMSO-d6, 400 MHz): δ 2.89-2.83 (m, 1 H), 2.67 (t, J=5.9 Hz, 4H), 2.29 (t, J=5.9 Hz, 4H), 0.98 (d, J=6.5 Hz, 6H). LCMS (Method C): Mass found (M+ 142.2), Rt (min): 0.63, Area (%): 99.4 (Max. Chrom.).
Properties of 1-Isopropyl-4-piperidone
Melting point: | 105-105.5 °C |
Boiling point: | 100-101 °C (27 mmHg) |
Density | 0.95 |
refractive index | 1.465-1.467 |
Flash point: | 100-101°C/27mm |
storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
form | clear liquid |
pka | 8.18±0.20(Predicted) |
color | Colorless to Brown |
BRN | 107857 |
InChI | InChI=1S/C8H15NO/c1-7(2)9-5-3-8(10)4-6-9/h7H,3-6H2,1-2H3 |
CAS DataBase Reference | 5355-68-0(CAS DataBase Reference) |
NIST Chemistry Reference | N-isopropyl-4-piperidone(5355-68-0) |
Safety information for 1-Isopropyl-4-piperidone
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 1-Isopropyl-4-piperidone
InChIKey | CCDBCHAQIXKJCG-UHFFFAOYSA-N |
SMILES | N1(C(C)C)CCC(=O)CC1 |
Abamectin manufacturer
Sapala Organics Private Limited
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