HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ammonia → HCID 20528692, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ammonia | HCID 222 | — |
| Reactant | Methyl 2,4-dioxo-3-oxaspiro[5.5]undecane-9-carboxylate | HCID 54108897 | — |
| Product | HCID 20528692 | HCID 20528692 | — |
Reaction Steps
A mixture of 4-carbomethoxycyclohexane-1,1-diacetic acid anhydride and concentrated aqueous ammonia solution was slowly heated with a free flame until the temperature reached 200° C. where it was kept for 1 hour. After cooling the product was used in the next step without purification.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04345071 |
| Source dataset | uspto-grants-1982_08 |
| ORD ID | ord-c66ea88c2242499da88a1a4c45f0f380 |
| Source note | uspto-grants-1982_08 |