| Compound | [α]D25 in DMF | mp, ˚C | Yield, % |
| 3a | ?52.1, c 1.00 | 73 - 75 | 45 |
| 3b | ?87.2, c 1.20 | 121 - 123 | 52 |
| 3c | ?115.8, c 1.10 | 92 - 94 | 56 |
| 3d | ?114.8, c 1.10 | 133 - 135 | 65 |
| 3e | ?109.4, c 1.15 | 119 - 121 | 65 |
| 3f | ?57.4, c 1.10 | 125 - 127 | 68 |
| 3g | +52.1, c 1.00 | 88 - 91 | 53 |
| 3h | +19.4, c 1.10 | 93 - 95 | 56 |
| 3i | +35.1, c 1.20 | 78 - 81 | 62 |