4-Iodoaniline → N-Cyclopropylaniline

関与物質

反応手順

4-Iodoaniline (F-0) is reductively alkylated with [(1-ethoxycyclopropyl)oxy]trimethylsilane and sodium cyanoborohydride to give the N-cyclopropyl aniline (F-1). Treatment with diethyl ethoxymethylenemalonate in pyridine affords the enamine (F-2) which is cyclized with polyphosphoric acid to the quinoline (F-3). Treatment with p-chlorobenzylamine at elevated temperature converts the ester to the amide (F-4). Palladium catalyzed coupling of the iodide with propargyl alcohol affords F-5. Reaction with platinum and hydrogen gas affords the saturated propyl alcohol (F-6).

情報源と証拠