HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → 9-acetoxy-1,2-dihydro-4,4-dimethyl-7-(3-methyl-2-octyl)-4H-thieno[2,3-c][1]benzopyran
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | 2H-Thieno(2,3-c)(1)benzopyran-9-ol, 1,4-dihydro-7-(1,2-dimethylheptyl)-4,4-dimethyl- | HCID 213523 | — |
| Product | 9-acetoxy-1,2-dihydro-4,4-dimethyl-7-(3-methyl-2-octyl)-4H-thieno[2,3-c][1]benzopyran | HCID 21557907 | — |
Reaction Steps
By reacting 1,2-dihydro-4,4-dimethyl-9-hydroxy-7-(3-methyl-2-octyl)-4H-thieno[2,3-c][1]benzopyran with acetic anhydride, there is obtained 9-acetoxy-1,2-dihydro-4,4 -dimethyl-7-(3-methyl-2-octyl)-4H-thieno[2,3-c][1]benzopyran.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US03940421 |
| Source dataset | uspto-grants-1976_02 |
| ORD ID | ord-09e057bf6da44075ac752049c78025f7 |
| Source note | uspto-grants-1976_02 |