Nomenclature
CAS number: 81409-90-7
(8
β)-N-[3-(Dimethylamino)propyl]
-N-[(ethylamino)carbonyl]-6-(2-propenyl)ergoline-8-carboxamide; 1-ethyl-3-(3′-dimethylaminopropyl)-3-(6′-allylergoline-8′β-carbonyl)urea; 1-[(6-allylergoline-8β-yl)carbonyl]-1-[3-(dimethylamino)propyl]-3-ethylurea; FCE-21336; Dostinex (Pharmacia & Upjohn).
C
26H
37N
5O
2; mol wt 451.60.
C 69.15%, H 8.26%, N 15.51%, O 7.09%.
Description and references
Dopamine D2-receptor agonist. Prepn:
P. Salvati et al., BE 888243; eidem, US 4526892 (1981, 1985 both to Farmitalia Carlo Erba). Prepn and bioactivity:
E. Brambilla et al., Eur. J. Med.
Chem. 24, 421 (1989). Clinical pharmacology:
C. Ferrari et al., J. Clin. Endocrinol.
Metab. 63, 941 (1986). Veterinary trial as
abortifacient in dogs: K. Post et al., Theriogenology 29, 1233 (1988).
Clinical evaluation to prevent puerperal lactation: G. B. Melis et al., Obstet. Gynecol. 71, 311 (1988); in hyperprolactinemic disorders: C.
Ferrari et al., J. Clin. Endocrinol.
Metab. 68, 1201 (1989). Clinical trial in
Parkinson's disease: J. T. Hutton et al., Neurology 46, 1062 (1996).
Properties
White crystals from diethyl ether, mp 102-104°. Sol
in ethyl alcohol, chloroform, DMF; slightly sol in 0.1 N HCl; very slightly sol in n-hexane. Insol in water.
LD50 orally in male mice: >400 mg/kg (Brambilla).Derivative
Diphosphate.
Nomenclature
CAS number: 85329-89-1
C
26H
37N
5O
2.2H
3PO
4; mol wt 647.59.
C 48.22%, H 6.69%, N 10.81%, O 24.71%, P 9.57%.
Properties
mp 153-155°.Therapeutic Category
Prolactin inhibitor; antiparkinsonian.
Therapeutic Category (Veterinary)
Prolactin inhibitor.
Keywords
Antiparkinsonian; Dopamine Receptor Agonist; Prolactin Inhibitor