HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 7-[2-(2-Aminothiazol-4-yl)-2-(4-aminomethylbenzyloxyimino)acetamido]-3-cephem-4-carboxylic acid dihydrochloride
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | HCID 131712353 | HCID 131712353 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | 7-[2-(2-Aminothiazol-4-yl)-2-(4-aminomethylbenzyloxyimino)acetamido]-3-cephem-4-carboxylic acid dihydrochloride | HCID 131712354 | 70.6% |
Reaction Steps
7-[2-(2-Formamidothiazol-4-yl)-2-(4-tertbutoxycarbonylaminomethylbenzyloxyimino)acetamido]-3-cephem-4-carboxylic acid (syn isomer, 1.4 g.), conc. hydrochloric acid (0.95 g.) and methanol (15 ml.) were treated in a similar manner to that of Example 4-(2) to give 7-[2-(2-aminothiazol-4-yl)-2-(4-aminomethyl benzyloxyimino)acetamido]-3-cephem-4-carboxylic acid dihydrochloride (syn isomer, 0.9 g.).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04284631 |
| Source dataset | uspto-grants-1981_08 |
| ORD ID | ord-3c8ca3b402004ed5b1eb78b478a24b8d |
| Source note | uspto-grants-1981_08 |