| Expt No. | Reaction Condition | HPLC Results | Comments |
|---|---|---|---|
| Expt No.9 | Dimethylsulphoxide (DMSO), KOH powder | 99.7% NMP | Yield: 89.1% |
| Expt No.10 | Methanol, KOH powder | 96.7% NMP | Yield: 67.3% |
| Expt No.11 | Sulpholane, KOH powder | 99.4% NMP | Yield: 90.7% |
| Expt No.12 | Dimethylacetamide (DMAC), KOH powder | 99.7% NMP | Yield: 87.7% |
| Expt No.13 | 2-Methoxy ethanol, KOH powder |
90.1% NMP | Yield: ~68.0% |
| Expt No.14 | N-Methyl Pyrrolidone KOH flakes |
98.99% NMP | Yield: 96.66% |