Prepn of the dihydrochloride: Pasini, Farmaco Ed. Sci.8, 646 (1953); idem,Rend. Sci. Farmitalia1, 405 (1954); GB730394 (1955 to Farmitalia).
Derivative
Dihydrochloride monohydrate.
Nomenclature
P-7; Farmidril (Farmitalia).
C20H36N6O.2HCl.H2O; mol wt 467.48.
C 51.38%, H 8.62%, N 17.98%, O 6.84%, Cl 15.17%.
Properties
Crystals from water + ethanol. Sinters from 135-210°,
dec 250°. Soly (g/100 ml): 0.2 in cold water; ≈10 in boiling water;
84.2 in methanol (25°). Practically insol in acetone, benzene. Aq
solns are neutral to litmus.