中文名称
纳布啡
英文名称
nalbuphine; T-111; 17-(cyclobutylmethyl)-4,5α-epoxymorphinian-3,6α,14-triol hydrochloride; (-)-17-(cyclobutylmethyl)-4,5α-epoxymorphinan-3,6α,14-triol; 17-(cyclobutylmethyl)-4,5α-epoxymorphinian-3,6α,14-triol; 17-(cyclobutylmethyl)-4,5α-epoxymorphinan-3,6α,14-triol; nalbuphine hydrochloride
化学式
C21H27NO4
分子量
357.4
分类属性
类药性
物理描述 Physical Description
Solid
熔点 Melting Point
230°C(hydrochloridesalt)
溶解度 Solubility
35.5 mg/mL at 25 °C as HCl salt
辛醇/水分配系数 LogP
1.4
酸度系数/解离常数 pKa
8.71 and 9.96 (hcl form)
辛醇/水分配系数 LogP
0.2
重原子数 Heavy atoms count
26
可旋转键数 Rotatable bond count
2
环数 Number of rings
6
sp3杂化的碳原子比例 Carbon bond saturation (Fsp3)
0.714
拓扑面积 Polar surface area (Å)
73.2
氢给体数 Hydrogen bond donors count
3
氢受体数 Hydrogen bond acceptors count
5
The mean absolute bioavailability was 81% and 83% for the 10 and 20 mg intramuscular doses, respectively, and 79% and 76% following 10 and 20 mg of subcutaneous nalbuphine. Clinical studies show that the duration of analgesic activity of the drug can range from 3 to 6 hours.