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Yields [%] for the Synthesis of Amides 11{1–2,3–5,2–4} from 4{1–2,3–5,2–4} (Purity by ELSD in [%])
| 11{1–2,3–5,2–4} | 7{1} | 7{1} | 7{1} | 7{2} | 7{2} | 7{2} |
|---|---|---|---|---|---|---|
| 9{2} | 9{3} | 9{4} | 9{2} | 9{3} | 9{4} | |
| 8{3} | 43 (89) | 76 (93) | 80 (83) | 72 (84) | 77 (93) | |
| 8{4} | 73 (88) | 80 (97) | 85 (99) | 88 (100)a | 44 (98) | 74 (100) |
| 8{5} | 62 (96) | 75 (99) | 61 (81) | 80 (100) | 10 (98) | 74 (100) |
From the second eluting diastereomer of 7{2,4,2}, acylation of minor diastereomer failed.
