HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 7-[2-(2-Aminothiazol-4-yl)-2-cyanomethoxyiminoacetamido]-3-cephem-4-carboxylic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Methanol | HCID 887 | — |
| Reactant | 7-[2-(2-Formamidothiazol-4-yl)-2-cyanomethoxyiminoacetamido]-3-cephem-4-carboxylic acid | HCID 131712330 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | 7-[2-(2-Aminothiazol-4-yl)-2-cyanomethoxyiminoacetamido]-3-cephem-4-carboxylic acid | HCID 131712331 | 89% |
Reaction Steps
7-[2-(2-Formamidothiazol-4-yl)-2-cyanomethoxyiminoacetamido]-3-cephem-4-carboxylic acid (syn isomer, 0.9 g.), conc. hydrochloric acid (0.82 g.), methanol (13.3 ml.) and tetrahydrofuran (25 ml.) were treated in a similar manner to that of Example 1-(2) to give 7-[2-(2-aminothiazol-4-yl)-2-cyanomethoxyiminoacetamido]-3-cephem-4-carboxylic acid (syn isomer, 0.75 g.).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04284631 |
| Source dataset | uspto-grants-1981_08 |
| ORD ID | ord-9b7b4ab18dbd4de29b7dd6fd19c1ba96 |
| Source note | uspto-grants-1981_08 |