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HomeProduct name list1-Isopropyl-4-piperidone

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
1-Isopropyl-4-piperidone Structural

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.).
Preparation of 1-Isopropyl-4-piperidone

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)
ghs
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

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