HuagongsheHuagongshe Chemistry Print Report · For research reference only
Perchloric Acid → 7-(2-Methoxyimino-3-oxo-4-chlorobutyramido)-3-cephem-4-carboxylic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Perchloric Acid | HCID 24247 | — |
| Reactant | HCID 131712536 | HCID 131712536 | — |
| Solvent | Methyl Isobutyl Ketone | HCID 7909 | — |
| Product | 7-(2-Methoxyimino-3-oxo-4-chlorobutyramido)-3-cephem-4-carboxylic acid | HCID 131712535 | 64.9% |
Reaction Steps
70% Perchloric acid (0.75 ml), 7-(2-methoxyimino-3,3-diethoxy-4-chlorobutyramido)-3-cephem-4-carboxylic acid (syn isomer, 1.82 g) and methyl isobutyl ketone (7.3 ml) were treated in a similar manner to that of Example 47 to give 7-(2-methoxyimino-3-oxo-4-chlorobutyramido)-3-cephem-4-carboxylic acid (syn isomer, 0.98 g).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04298529 |
| Source dataset | uspto-grants-1981_11 |
| ORD ID | ord-3008ca75306b403a9835fc7f71d93b90 |
| Source note | uspto-grants-1981_11 |