HuagongsheHuagongshe Chemistry Print Report · For research reference only
Olivetol → 1,2-dihydro-9-hydroxy-4-oxo-7-(pentyl)-4H-thieno[2,3-c] [1]benzopyran
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Olivetol | HCID 10377 | — |
| Reactant | 2-Thiophenecarboxylic acid, tetrahydro-3-oxo-, methyl ester | HCID 102870 | — |
| Product | 1,2-dihydro-9-hydroxy-4-oxo-7-(pentyl)-4H-thieno[2,3-c] [1]benzopyran | HCID 21433932 | — |
Reaction Steps
Following a procedure similar to that described in Example 1B hereinabove, methyl 3-oxo-2,3,4,5-tetrahydrothiophene-2-carboxylate is reacted with 5-(1-pentyl)resorcinol to give 1,2-dihydro-9-hydroxy-4-oxo-7-(1-pentyl)-4H-thieno[2,3-c] [1]benzopyran.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US03972880 |
| Source dataset | uspto-grants-1976_08 |
| ORD ID | ord-2766806890c94ac28f923b1ffaf3310e |
| Source note | uspto-grants-1976_08 |