HuagongsheHuagongshe Chemistry Print Report · For research reference only
3,4-dihydro-2H-pyran → HCID 12966956, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3,4-dihydro-2H-pyran | HCID 8080 | — |
| Reactant | HCID 12966955 | HCID 12966955 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | HCID 12966956 | HCID 12966956 | — |
Reaction Steps
The 3S-hydroxy compound (4a) (4.58 g) was dissolved into methylene chloride (100 ml), and reacted with dihydropyran in the presence of a catalytic amount of p-toluenesulfonic acid-1H2O. After a usual work-up, the reaction mixture was column-chromatographed to give the title compound (5). Yield: 5.03 g
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06420422B1 |
| Source dataset | uspto-grants-2002_07 |
| ORD ID | ord-541869f23e824f47b6b94f2e663e4b1d |
| Source note | uspto-grants-2002_07 |