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AROCM of cis-5-norbornene-endo-2,3-dicarboxylic anhydride (75) with catalysts 61, 64, 65, 67 and 68.
| entry | complex | time (h) | conversion (%) | yield (%) | ee 76 (%) |
| 1 | 61 | 5.5 | 60 | 60 | 69 |
| 2 | 64 | 0.5 | 99 | 69 | 14 |
| 3 | 65 | 0.5 | 99 | 73 | 9 |
| 4 | 67 | 5.5 | 98 | 65 | 33 |
| 5 | 68 | 10.5 | 98 | 54 | 82 |
