HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 7-[2-(2-Aminothiazol-4-yl)-2-pentyloxyiminoacetamido]-3-cephem-4-carboxylic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Tetrahydrofuran | HCID 8028 | — |
| Reactant | 7-[2-(2-Formamidothiazol-4-yl)-2-pentyloxyiminoacetamido]-3-cephem-4-carboxylic acid | HCID 131712475 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | 7-[2-(2-Aminothiazol-4-yl)-2-pentyloxyiminoacetamido]-3-cephem-4-carboxylic acid | HCID 131712476 | 74.1% |
Reaction Steps
7-[2-(2-Formamidothiazol-4-yl)-2-pentyloxyiminoacetamido]-3-cephem-4-carboxylic acid (syn isomer, 3.3 g.), conc.hydrochloric acid (2.80 g.), tetrahydrofuran (20 ml.) and methanol (50 ml.) were treated in a similar manner to that of Example 15-(3) to give 7-[2-(2-aminothiazol-4-yl)-2-pentyloxyiminoacetamido]-3-cephem-4-carboxylic acid (syn isomer, 2.3 g.)
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04400379 |
| Source dataset | uspto-grants-1983_08 |
| ORD ID | ord-0807bbc0be424220b056971802d61748 |
| Source note | uspto-grants-1983_08 |