HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 7-[2-(2-Amino-5-chlorothiazol-4-yl)-2-methoxyiminoacetamido]-3-(1,3,4-thiadiazol-2-ylthiomethyl)-3-cephem-4-carboxylic acid hydrochloride
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | 7-[2-(2-Formamido-5-chlorothiazol-4-yl)-2-methoxyiminoacetamido]-3-(1,3,4-thiadiazol-2-ylthiomethyl)-3-cephem-4-carboxylic acid | HCID 131715353 | — |
| Product | 7-[2-(2-Amino-5-chlorothiazol-4-yl)-2-methoxyiminoacetamido]-3-(1,3,4-thiadiazol-2-ylthiomethyl)-3-cephem-4-carboxylic acid hydrochloride | HCID 131715354 | 116.2% |
Reaction Steps
7-[2-(2-Formamido-5-chlorothiazol-4-yl)-2-methoxyiminoacetamido]-3-(1,3,4-thiadiazol-2-ylthiomethyl)-3-cephem-4-carboxylic acid (syn isomer, 5.6 g.) was treated with conc. hydrochloric acid (2.4 ml.) in a similar manner to that of Example 1-(2) to give 7-[2-(2-amino-5-chlorothiazol-4-yl)-2-methoxyiminoacetamido]-3-(1,3,4-thiadiazol-2-ylthiomethyl)-3-cephem-4-carboxylic acid hydrochloride (syn isomer, 3.3 g.).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04729991 |
| Source dataset | uspto-grants-1988_03 |
| ORD ID | ord-280f3091d25d4986a52b2a9b5b8b76ca |
| Source note | uspto-grants-1988_03 |