Phosphinyl Analogues of Hydroxybupropion: (.+-.)-2-Aryl-3,3,5,5-tetramethyl-[1,4,2]-oxazaphosphinanes.
2007
Abstract Analogous structures in phosphinate series of hydroxybupropion 2, that is, (±)-2-aryl-3,3,5,5-tetramethyl-[1,4,2]-oxazaphosphinanes 8, are prepared according to a two step sequence: addition–cyclization reaction from methyl hypophosphite and oxazolidine 6, followed by a pallado-catalyzed arylation of P–H bond from oxazaphosphinane 7.
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