ChemicalBook--->CAS DataBase List--->72332-33-3

72332-33-3

72332-33-3 Structure

72332-33-3 Structure
IdentificationMore
[Name]

(R*,S*)-(-)-8-Hydroxy-5-(1-hydroxy-2-((1-methylethyl)amino)butyl)-2(1H)-quinolinone
[CAS]

72332-33-3
[Synonyms]

PROCATEROL
(r*,s*)-(-)-8-hydroxy-5-(1-hydroxy-2-((1-methylethyl)amino)butyl)-2(1h)-quinolinone
2(1h)-quinolinone,8-hydroxy-5-(1-hydroxy-2-((1-methylethyl)amino)butyl)-,(r*,
8-hydroxy-5-(1-hydroxy-2-((1-methylethyl)amino)butyl)-2(1h)-quinolinone(r*,s
s*)-(+-)-
[EINECS(EC#)]

276-590-0
[Molecular Formula]

C16H22N2O3
[MDL Number]

MFCD01750015
[Molecular Weight]

290.36
[MOL File]

72332-33-3.mol
Chemical PropertiesBack Directory
[Melting point ]

107-109°C
[storage temp. ]

-20°C
[solubility ]

Acetonitrile (Slightly), Chloroform (Slightly), Methanol
[form ]

Solid
[color ]

White to Off-White
[CAS DataBase Reference]

72332-33-3(CAS DataBase Reference)
Hazard InformationBack Directory
[Description]

Like pirbuterol, procaterol exhibits similar broncholytic properties as albuteral, but it has somewhat of a more prolonged action. It is recommended for use as an inhaled drug for treating bronchial asthma.
[Chemical Properties]

Off-White Solid
[Uses]

A labelled intermediate of the enantiomer of Florfenicol (F405750), an antibacterial agent.
[Definition]

ChEBI: 8-hydroxy-5-[1-hydroxy-2-(propan-2-ylamino)butyl]-1H-quinolin-2-one is a member of quinolines.
[Brand name]

Pro-Air (Parke-Davis).
[Synthesis]

Procaterol, 5-[1-hydroxy-2-[(1-methylethyl)amino]butyl]-8-hydroxy-2-(1H) quinolone (23.3.25), is synthesized by acylation of 8-hydroxy-2(1H)-quinolone with 2-bromobutyric acid chloride at the fifth position of the quinoline system, which gives the compound 23.3.23. This undergoes action of isopropylamine, forming an aminoketone 23.3.24, the carbonyl group of which is reduced by sodium borohydride, giving procaterol (23.3.25) .

Synthesis_72332-33-3

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