Procaterol

Procaterol
Clinical data
Trade names	Meptin, others
AHFS/Drugs.com	Micromedex Detailed Consumer Information
Routes of; administration	Oral (tablets, syrup), inhalation (DPI)
ATC code	R03AC16 (WHO) R03CC08 (WHO);
Identifiers
	IUPAC name (±)-(1R,2S)-rel-8-Hydroxy-5-[1-hydroxy-2-(isopropylamino)butyl]-quinolin-2(1H)-one;
CAS Number	72332-33-3 ; HCl: 59828-07-8 ;
PubChem CID	4916;
ChemSpider	599984 ;
UNII	X7I3EMM5K0; HCl: 4VD1BRT7T8 ;
KEGG	D08424 ;
CompTox Dashboard (EPA)	DTXSID5045673 ;
ECHA InfoCard	100.069.606
Chemical and physical data
Formula	C16H22N2O3
Molar mass	290.363 g·mol−1
3D model (JSmol)	Interactive image;
Chirality	Racemic mixture
	SMILES CC(C)NC(CC)C(O)c2ccc(O)c1NC(=O)C=Cc12;
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Procaterol is a β₂ adrenoreceptor agonist used for the treatment of asthma in many countries, but is not approved in the United States. The drug is readily oxidized in the presence of moisture and air, and requires stabilizers for use by inhalation.^[1]

It was patented in 1974 and came into medical use in 1980.^[2] Procaterol is similar to salbutamol (albuterol), but has a somewhat more prolonged action. It can be taken orally or by inhalation to treat asthma.

Synthesis

8-Hydroxycarbostyril 1 is acylated with 2-bromobutyric acid chloride 2 at the fifth position of the quinoline system, which gives the compound 3. This undergoes action of isopropylamine, forming an aminoketone, the carbonyl group of which is reduced by sodium borohydride, giving procaterol 4.^[3]^[4]^[5]^[6]

Names

It is also known as procaterol hydrochloride (USAN).

Procaterol is available under a number of trade names (Onsukil, Masacin, Procadil and others).^[7]

References

^ US 4616022, Ghebre-sellassie I, Nesbitt Jr RU, "Procaterol stabilization", published 1984, issued 1986, assigned to Warner Lambert Co LLC
^ Fischer J, Ganellin CR (2006). Analogue-based Drug Discovery. John Wiley & Sons. p. 543. ISBN 9783527607495.
^ ^a ^b US 4026897, Nakagawa K, Yoshizaki S, "5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-hydroxycarbostyril derivatives", issued 31 May 1977, assigned to Otsuka Pharmaceutical Co Ltd
^ ^a ^b Yoshizaki S, Osaki M, Nakagawa K, Yamura Y (November 1980). "Synthesis of 8-hydroxycarbostyril". Chemical and Pharmaceutical Bulletin. 28 (11): 3441–3443. doi:10.1248/cpb.28.3441.
^ ^a ^b Yoshizaki S, Tanimura K, Tamada S, Yabuuchi Y, Nakagawa K (September 1976). "Sympathomimetic amines having a carbostyril nucleus". Journal of Medicinal Chemistry. 19 (9): 1138–1142. doi:10.1021/jm00231a011. PMID 10441.
^ ^a ^b Yoshizaki S, Manabe Y, Tamada S, Nakagawa K, Tei S (August 1977). "Isomers of erythro-5-(1-hydroxy-2-isopropylaminobutyl)-8-hydroxycarbostyril, a new bronchodilator". Journal of Medicinal Chemistry. 20 (8): 1103–1104. doi:10.1021/jm00218a024. PMID 894683.
^ "International Drugs: Procaterol". Drugs.com. Retrieved 7 March 2016.

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[patent-1] US 4616022, Ghebre-sellassie I, Nesbitt Jr RU, "Procaterol stabilization", published 1984, issued 1986, assigned to Warner Lambert Co LLC

[Fis2006-2] Fischer J, Ganellin CR (2006). Analogue-based Drug Discovery. John Wiley & Sons. p. 543. ISBN 9783527607495.

[:0-3] US 4026897, Nakagawa K, Yoshizaki S, "5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-hydroxycarbostyril derivatives", issued 31 May 1977, assigned to Otsuka Pharmaceutical Co Ltd

[:1-4] Yoshizaki S, Osaki M, Nakagawa K, Yamura Y (November 1980). "Synthesis of 8-hydroxycarbostyril". Chemical and Pharmaceutical Bulletin. 28 (11): 3441–3443. doi:10.1248/cpb.28.3441.

[:2-5] Yoshizaki S, Tanimura K, Tamada S, Yabuuchi Y, Nakagawa K (September 1976). "Sympathomimetic amines having a carbostyril nucleus". Journal of Medicinal Chemistry. 19 (9): 1138–1142. doi:10.1021/jm00231a011. PMID 10441.

[:3-6] Yoshizaki S, Manabe Y, Tamada S, Nakagawa K, Tei S (August 1977). "Isomers of erythro-5-(1-hydroxy-2-isopropylaminobutyl)-8-hydroxycarbostyril, a new bronchodilator". Journal of Medicinal Chemistry. 20 (8): 1103–1104. doi:10.1021/jm00218a024. PMID 894683.

[7] "International Drugs: Procaterol". Drugs.com. Retrieved 7 March 2016.

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Procaterol

Synthesis

Names

References

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