HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ammonia → 2,3-Dihydro-3,3-dimethylbenzofuran-5-carboxylic acid amide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ammonia | HCID 222 | — |
| Reactant | 2,3-Dihydro-3,3-dimethylbenzofuran-5-carboxylic acid chloride | HCID 54500736 | — |
| Product | 2,3-Dihydro-3,3-dimethylbenzofuran-5-carboxylic acid amide | HCID 54089631 | — |
Reaction Steps
The product of stage (b) (4.2 g) was added dropwise to excess aqueous ammonia with stirring and ice cooling. After 1 hour the white precipitate was filtered off and recrystallised from ethanol to give 1.1 g of title product, mp 136°-138° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04263037 |
| Source dataset | uspto-grants-1981_04 |
| ORD ID | ord-c9111588a20349739d8406f5176bc31e |
| Source note | uspto-grants-1981_04 |