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Masses (m/z) observed in the large-scale reactions with CNR for various compounds.
| Compound | m/z observed | m/z calculated for reduction | m/z calculated for deprotection |
|---|---|---|---|
| 26h | 291.0a | 291.0 | 185.0 |
| 27h | 199.0b | 305.0 | 198.9 |
| 27i | 155.1b | 261.1 | 155.0 |
| 27k | 173.0b | 279.1 | 173.0 |
| 28h | 308.0c | 307.0 | 200.9 |
positive mode, M+ ;
negative mode, [M-H]−;
positive mode, [M+H]+.
