Table 1.
MAA (2) synthesis.
| Entry | Cs2CO3 (equiv) | CH3I (equiv) | Time (h) | Yield of 2a (%) |
|---|---|---|---|---|
| 1 | 0.5 | 1.2 | 15 | 50 |
| 2 | 0.5 | 2.0 | 15 | 65 |
| 3 | 0.5 | 2.5 | 15 | 76 |
| 4 | 0.5 | 2.5 | 3 | 99.7 |
a isolated yield
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