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Symmetrically-disubstituted Amino Acid Ester I45DCs, 4{1-9}.
| Cmpd. | Reactants | Yield (%) | |
|---|---|---|---|
| 4{1} | 2{1} | 2{1} | 79 |
| 4{2} | 2{2} | 2{2} | 22 |
| 4{3} | 2{3} | 2{3} | 69 |
| 4{4} | 2{4} | 2{4} | 12 |
| 4{5} | 2{5} | 2{5} | 83 |
| 4{6} | 2{6} | 2{6} | 97 |
| 4{7} | 2{7} | 2{7} | 62 |
| 4{8} | 2{8} | 2{8} | 73 |
| 4{9} | 2{9} | 2{9} | 86 |
