HuagongsheHuagongshe Chemistry Print Report · For research reference only
DL-norvaline → L-Leucine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | DL-norvaline | HCID 824 | — |
| Reactant | L-Leucine | HCID 6106 | — |
| Reactant | 3-Acetyltylosin | HCID 6426606 | — |
| Product | L-Leucine | HCID 6106 | — |
| Product | Tylosin | HCID 5280440 | — |
Reaction Steps
A similar cultivation and reaction as in Example 1 was carried out by substituting L-leucine as the isovaleryl donor for DL-norvaline. From 60 g of tylosin and 15 g of L-leucine, about 900 mg of white crystals of 4"-isovaleryltylosin and 17 g of white crystals of 3-acetyltylosin were obtained.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04201843 |
| Source dataset | uspto-grants-1980_05 |
| ORD ID | ord-c25a99d1f0d24f7a88b414dc9bb2b8f7 |
| Source note | uspto-grants-1980_05 |