HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sodium Carbonate → HCID 178451386, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sodium Carbonate | HCID 10340 | — |
| Reactant | Phosphorus oxychloride | HCID 24813 | — |
| Reactant | 2-t-Butoxycarbonylmethoxyimino-2-(2-formamidothiazol-4-yl)acetic acid | HCID 54390951 | — |
| Reactant | HCID 178453487 | HCID 178453487 | — |
| Solvent | Acetone | HCID 180 | — |
| Solvent | Water | HCID 962 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 178451386 | HCID 178451386 | 99.8% |
Reaction Steps
2-(2-Formamidothiazol-4-yl)-2-tert-butoxycarbonylmethoxyiminoacetic acid (syn isomer, 16.5 g.), N,N-dimethylformamide (4.4 g.), phosphoryl chloride (9.2 g.), 7-amino-3-[1-(3-tert-butoxycarbonylaminopropyl)-1H-tetrazol-5-ylthiomethyl]-3-cephem-4-carboxylic acid (23.6 g.), sodium carbonate (5.3 g.), tetrahydrofuran (100 ml.), acetone (150 ml.) and water (150 ml.) were treated in a similar manner to that of Example 11-(1) to give 7-[2-(2-formamidothiazol-4-yl)-2-tert-butoxycarbonylmethoxyiminoacetamido]-3-[1-(3-tert-butoxycarbonylaminopropyl)-1H-tetrazol-5-ylthiomethyl]-3-cephem-4-carboxylic acid (syn isomer, 39.1 g.).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04341775 |
| Source dataset | uspto-grants-1982_07 |
| ORD ID | ord-78aa0a4f44eb416b86ab230ced3cc896 |
| Source note | uspto-grants-1982_07 |