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Febuprol

Febuprol Structure
CAS No.
3102-00-9
Chemical Name:
Febuprol
Synonyms
h-33;valbil;k-10033;FEBUPROL;Valbilan;NSC 30151;Febuprol USP/EP/BP;1-butoxy-3-phenoxy-2-propano;1-butoxy-3-phenoxy-2-propanol;2-Propanol, 1-butoxy-3-phenoxy-
CBNumber:
CB2400277
Molecular Formula:
C13H20O3
Molecular Weight:
224.3
MOL File:
3102-00-9.mol
MSDS File:
SDS
Modify Date:
2023/5/4 17:34:37

Febuprol Properties

Melting point 25°C
Boiling point bp11 165°; bp1.0 125-132°
Density d420 1.027
refractive index nD20 1.5004
storage temp. 2-8°C
CAS DataBase Reference 3102-00-9(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338
Toxicity LD50 in mice, rats (mg/kg): 3050, 2370 orally; 436, 400 i.p. (Hofrichter)

Febuprol Chemical Properties,Uses,Production

Originator

Valbil,Rohm Pharma,W. Germany,1981

Manufacturing Process

Initially, 4.5 g (0.08 mol) pulverized potassium hydroxide was dissolved in 300 ml isopropanol in a 500 ml four-neck flask equipped with stirrer, intensive cooler, dropping funnel and feed pipe for the gas treatment with nitrogen.
Then, 52.0 g (0.4 mol) n-butylglycidyl ether and 41.4 g (0.44 mol) phenol was added thereto, whereafter the material was heated to boiling under nitrogen. The material was stirred, about 8.5 hours, until no glycidyl ether could be determined, e.g., by gas chromatography.
After the suspension was cooled under nitrogen, the solvent was distilled off under vacuum. The residue was taken up in 200 ml water and the milky emulsion extracted exhaustively with ether. From the organic phase, the excess butylglycidyl ether was extracted with diluted potassium hydroxide solution. The ether phase was washed neutral with water and the solvent removed after drying with sodium sulfate. The remaining oily residue was distilled under vacuum; there was obtained a colorless liquid of BP 123.5°C/0.07 mm. Yield: 81.8 g (91.1% of the theory)

Therapeutic Function

Choleretic

Febuprol Preparation Products And Raw materials

Raw materials

Preparation Products

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(3-n-butoxy-2-hydroxypropyl)phenylether 1-butoxy-3-phenoxy-2-propano 1-butoxy-3-phenoxy-2-propanol 3-n-butoxy-1-phenoxy-2-propanol h-33 k-10033 1-butoxy-3-(phenoxy)propan-2-ol FEBUPROL valbil 2-Propanol, 1-butoxy-3-phenoxy- Febuprol USP/EP/BP NSC 30151 Valbilan 3102-00-9 C13H20O3 API