HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 7-[2-(2-Aminothiazol-4-yl)-2-iso-butoxyiminoacetamido]-3-cephem-4-carboxylic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | 7-[2-(2-Formamidothiazol-4-yl)-2-isobutoxyiminoacetamido]-3-cephem-4-carboxylic acid | HCID 131712460 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | 7-[2-(2-Aminothiazol-4-yl)-2-iso-butoxyiminoacetamido]-3-cephem-4-carboxylic acid | HCID 131712461 | 62.4% |
Reaction Steps
7-[2-(2-formamidothiazol-4-yl)-2-iso-butoxyiminoacetamido]-3-cephem-4-carboxylic acid (syn isomer, 4.1 g.), conc. hydrochloric acid (3.65 g.) and methanol (61.5 ml.) were treated in a similar manner to that of Example 15-(3) to give 7-[2-(2-aminothiazol-4-yl)-2-iso-butoxyiminoacetamido]-3-cephem-4-carboxylic acid (syn isomer, 2.4 g.).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04841062 |
| Source dataset | uspto-grants-1989_06 |
| ORD ID | ord-363dac41fff54b3b98e5150bcc2aba2b |
| Source note | uspto-grants-1989_06 |