Nomenclature
CAS number: 64-39-1
1,2,5-Trimethyl-4-phenyl-4-piperidinol propanoate (ester); 1,2,5-trimethyl-4-phenyl-4-propionyloxypiperidine; 1,2,5-trimethyl-4-phenyl-4-piperidyl propionate; dimethylmeperidine.
C
17H
25NO
2; mol wt 275.39.
C 74.14%, H 9.15%, N 5.09%, O 11.62%.
Description and references
Prepn: Nazarov et al., J. Gen. Chem. USSR 26, 3117 (1956);
Nazarov, Shvestov, ibid. 3533. Conformation studies:
Prostakov, Mikheeva, ibid. 31, 108 (1961); 33, 2931 (1963); eidem, Russ. Chem. Rev. 31, 556 (1962). Of the four possible isomers α and γ are shown.
Derivative
α-Isomer hydrochloride.
Nomenclature
α-Promedol. C
17H
25NO
2.HCl; mol wt 311.85.
C 65.47%, H 8.40%, N 4.49%, O 10.26%, Cl 11.37%.
Properties
Crystals from benzene, mp 153-154°. Has been also reported as mp 106-107° or 126-131° (Prostakov, Mikheeva, 1961).Derivative
β-Isomer hydrochloride.
Properties
Crystals, mp 183-184°, Nazarov, Shvestov, Bull. Acad. Sci. USSR Phys. Ser. 1959, 2059.Derivative
γ-Isomer hydrochloride.
Nomenclature
Trimeperidine; γ-promedol. Properties
Crystals from acetone, mp 222-223°.Note
This is a controlled substance (opiate):
21 CFR, 1308.11.Therapeutic Category
Analgesic.
Keywords
Analgesic; Opioids; Phenylpiperidines