Ctx

PS-Wang reatn

0.2-0.4 equiv. piperidinium acetate DCM, 20 °C, 3 h

1) preswell the resin with THF.

0.25 equiv. piperidinium acetate toluene, 85 °C 20 equiv. NaH (60 %

suspension in oil, 0.66

mmol/ml DMA) DMA, 1 h, 90 °C 1) MBu4NF (10 equiv.) in THF, 2 h, 25 °C

acid anhydride aldehydes aldehydes aldehydes methyl esters ethyl esters alkyl bromides alkyl iodides alkyl bromides alkyl iodides alkyl chlorides

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