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Regioselectivity of Decarboxylative Lactamizations
 | ||||
|---|---|---|---|---|
| entry | Ar | ligand | 110 : 109 | % yielda |
| 1 | 4-MeOC6H4 | P(4-MeOC6H4)3 | >99:1 | 80 |
| 2 | 4-MeOC6H4 | P(4-CF3C6H4)3 | 4:96 | 64 |
| 3 | 4-MeC6H4 | P(4-MeOC6H4)3 | >99:1 | 86 |
| 4 | 4-MeC6H4 | P(4-CF3C6H4)3 | 5:95 | 73 |
| 5 | 3-MeC6H4 | P(4-MeOC6H4)3 | >99:1 | 85 |
| 6 | 3-MeC6H4 | P(4-CF3C6H4)3 | 5:95 | 62 |
| 7 | ferrocenyl | P(4-MeOC6H4)3 | 97:3 | 76 |
| 8 | ferrocenyl | P(4-CF3C6H4)3 | 6:94 | 71 |
isolated yield
