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| polymer | NaI | NaOH | HBr | NaN3 |
|---|---|---|---|---|
| PBSPMA | – | – | – | – |
| PNSPMA | + | + | + | – |
| PPhSPMA | + | – | + | R |
| PFSPMA | + | R | + | R |
(−) Indicates that the protecting group is cleaved under the indicated conditions, (+) stable, and (R) means that deprotection is accompanied by side reactions. Deprotection was performed under weak nucleophilic (NaI), strong nucleophilic (NaN3), basic (NaOH), or acidic conditions (HBr).
