Ex 1: 2 moles of 2-methyl-2-aminopropanol (aminomethyl propanol) (1) is reacted with 1 moles of styrene oxide (phenyloxirane) [96-09-3] (2) in 0.2 mole water.
Ex 2: Fepradinol [36981-91-6] [63075-47-8] (3) is treated with acid, to cyclize to the morpholine ring.
^ abGB 1336732, "Diethanolamine derivatives", published 1973-11-07, assigned to Instituto Gentili SPA
^Fanelli O (June 1973). "Pharmacological and toxicological study of a new psychotropic stimulant: the 2-phenyl-5-dimethyl-tetrahydro-1,4-oxazine, in comparison with d,l-amphetamine, phenmetrazine and pemoline-Mg". Arzneimittel-Forschung. 23 (6): 810–816. PMID4740767.
^Fanelli O, Mazzoncini V, Ferri S (October 1974). "Toxicological and teratological study of 2-phenyl-5,5-dimethyl-tetrahydro-1,4-oxazine hydrochloride (G 130), a psychostimulant drug". Arzneimittel-Forschung. 24 (10): 1627–1632. PMID4479774.
^Fanelli O, Mazzoncini V, Trallori L (December 1974). "Antagonism of psychostimulant 2-phenyl-5,5-dimethyl-tetrahydro-1,4-oxazine hydrochloride (G 130) to central nervous system depressing drugs. Monoamine oxidase inhibitory activity and norepinephrine and serotonin induced changes. Comparison with dL-amphetamine". Arzneimittel-Forschung. 24 (12): 2025–2029. PMID4480283.