The synthetic
process for PAP is illustrated inScheme 1 . In a flask equipped with an ice bath, 1.47
g of N-methyl-4-piperidone and 2.30 g of m-terphenyl were dissolved in 20 mL of DCM to form a mixture.
Next, 8.80 mL of trifluoromethanesulfonic acid was added to the above
mixture. The resulting brown solution turned viscous after 24 h, which
was then precipitated in water. The resulting PAP was washed with
water and dried at 60 °C.
process for PAP is illustrated in
g of N-methyl-4-piperidone and 2.30 g of m-terphenyl were dissolved in 20 mL of DCM to form a mixture.
Next, 8.80 mL of trifluoromethanesulfonic acid was added to the above
mixture. The resulting brown solution turned viscous after 24 h, which
was then precipitated in water. The resulting PAP was washed with
water and dried at 60 °C.
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