| 路径 | 溶剂 | 溶剂摩尔比 | HPLC收率/% |
| 1 | 甲苯 | 1:25 | 0 |
| 2 | DMF | 1:25 | 16.9 |
| 3 | IPA | 1:25 | 27.1 |
| 4 | 1,4-二氧六环 | 1:25 | 81.9 |
| 5 | 1,4-二氧六环 | 1:15 | 83.4 |
| 6 | 1,4-二氧六环 | 1:10 | 81.8 |
| 7 | 1,4-二氧六环 | 1:5 | 71.5 |