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Abstract
The phosphorylation reaction of 5–arylmethylidene–1–morpholinocyclopentenes with various phosphorus (III) and (V) halides was studied. It was shown that the enamines react with phosphorus (III) halides giving stable halo– and dihalophosphines which are key substances for further synthesis.
Hydrolysis of the phosphorylated enamines does not afford the expected phosphorylated ketones, decomposition being observed in acidic media.