Nicotinoyl chloride → 3-Hydroxy-4-(nicotinoyloxy)phenyl isopropylaminomethyl ketone

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Following a procedure similar to that described above in Example 58A but using 3,4-dihydroxyphenyl isopropylaminomethyl ketone hydrochloride instead of 3,4-dihydroxyphenyl tert-butylaminomethyl ketone hydrochloride, and nicotinoyl chloride instead of isovaleryl chloride, there is obtained 3-hydroxy-4-(nicotinoyloxy)phenyl isopropylaminomethyl ketone; and by interaction of this base with hydrochloric acid there is obtained the hydrochloride salt. When this hydrochloride is catalytically hydrogenated, using a procedure similar to that described above in Example 2B, there is obtained 3-hydroxy-4-(nicotinoyloxy)-alpha-(isopropylaminomethyl)benzyl alcohol hydrochloride.

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