HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 67604977, compound → HCID 67605181, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | HCID 67604977 | HCID 67604977 | — |
| Solvent | Sodium Hydroxide | HCID 14798 | — |
| Solvent | Methanol--water (1/1) | HCID 22242641 | — |
| Product | HCID 67605181 | HCID 67605181 | 100.3% |
Reaction Steps
2.5 g of (70) was hydrolyzed during 3 hours at reflux in a mixture of 25 ml 4 N NaOH and 100 ml MeOH/water 1+1. After cooling to room temperature and acidification with acetic acid the product precipitated. Filtration and drying gave 2.4 g of (71). M.p. 229°-41° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05536721 |
| Source dataset | uspto-grants-1996_07 |
| ORD ID | ord-aefefee05b994d8285219b2559039d66 |
| Source note | uspto-grants-1996_07 |