Nhận Dạng Quốc Tế & Đặc Tính Hóa Học
Công thức hóa học
C7H9ClO
Monoisotopic mass
144.034192617
InChI
InChI=1S/C7H9ClO/c1-3-7(9,4-2)5-6-8/h1,5-6,9H,4H2,2H3/b6-5+
InChI Key
InChIKey=ZEHYJZXQEQOSON-AATRIKPKSA-N
IUPAC Name
1-chloro-3-ethylpent-1-en-4-yn-3-ol
Traditional IUPAC Name
ethchlorvynol
SMILES
[H]C(Cl)=CC(O)(CC)C#C
pKa (strongest acidic)
12.88
pKa (Strongest Basic)
-3.7
Refractivity
38.64 m3·mol-1
Dược Lực Học :
Ethchlorvynol is a sedative drug and schedule IV (USA) controlled substance. It produces cerebral depression, however the exact mechanism of action is not known.
Cơ Chế Tác Dụng :
Ethchlorvynol is a sedative and hypnotic drug. It has been used to treat insomnia, but has been largely superseded and is only offered where an intolerance or allergy to other drugs exists. [Wikipedia]
Although the exact mechanism of action is unknown, ethchlorvynol appears to depress the central nervous system in a manner similar to that of barbiturates. Barbiturates bind at a distinct binding sites associated with a Cl- ionopore at the GABAA receptor, increasing the duration of time for which the Cl- ionopore is open. The post-synaptic inhibitory effect of GABA in the thalamus is, therefore, prolonged.
Dược Động Học :
▧ Absorption :
Rapidly absorbed from gastrointestinal tract.
▧ Protein binding :
35-50%
▧ Metabolism :
About 90% of a dose is metabolized in the liver. Some ethchlorvynol may also be metabolized in the kidneys. Ethchlorvynol and metabolites undergo extensive enterohepatic recirculation.
▧ Half Life :
Plasma half-life is approximately 10 to 20 hours, terminal half-life is 21-100 hours.
Độc Tính :
Symptoms of overdose include thrombocytopenia.
Chỉ Định :
Used for short-term hypnotic therapy in the management of insomnia for periods of up to one week in duration; however, this medication generally has been replaced by other sedative-hypnotic agents.
Tương Tác Thuốc :
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Acenocoumarol
Ethchlorvynol may decrease the anticoagulant effect of acenocoumarol.
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Anisindione
Ethchlorvynol may decrease the anticoagulant effect of anisindione.
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Dicoumarol
Ethchlorvynol may decrease the anticoagulant effect of dicumarol.
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Warfarin
Ethchlorvynol may decrease the anticoagulant effect of warfarin.
Liều Lượng & Cách Dùng :
Capsule - Oral
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