HuagongsheHuagongshe Chemistry Print Report · For research reference only
7-Amino-3-(5-methyl-1,3,4-thiadiazol-2-yl)thiomethyl-3-cephem-4-carboxylic acid → HCID 131712002, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 7-Amino-3-(5-methyl-1,3,4-thiadiazol-2-yl)thiomethyl-3-cephem-4-carboxylic acid | HCID 12942034 | — |
| Reactant | HCID 53841578 | HCID 53841578 | — |
| Product | HCID 131712002 | HCID 131712002 | — |
Reaction Steps
2-(2,3-Dihydro-1,4-oxathiin-6-yl)-2-methoxyiminoacetic acid (syn isomer, 1 g.) was allowed to react with 7-amino-3-(5-methyl-1,3,4-thiadiazol-2-yl)thiomethyl-3-cephem-4-carboxylic acid (2 g.) in a similar manner to that of Example 1 to give the captioned compound (2.2 g.), pale yellow powder, mp. 160° to 165° C. (dec.).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04371531 |
| Source dataset | uspto-grants-1983_02 |
| ORD ID | ord-810f583eb0fd49bc9e79f77536b4cc2f |
| Source note | uspto-grants-1983_02 |