HuagongsheHuagongshe Chemistry Print Report · For research reference only
3,4-dihydro-2H-pyran → HCID 19382487, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3,4-dihydro-2H-pyran | HCID 8080 | — |
| Reactant | Benzenesulfonic acid, 4-methyl-, compd. with pyridine (1:1) | HCID 466102 | — |
| Reactant | HCID 19382499 | HCID 19382499 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | HCID 19382487 | HCID 19382487 | — |
Reaction Steps
A solution of the product (5 g) of Step 1 in 150 mL of CH2Cl2 was treated with 10 mL of dihydropyran and 20 mg of PPTS. The mixture was stirred for 4 hrs. at r.t. and then quenched with 0.2 mL of Et3N. Evaporation of solvent gave 5.5 g of the crude title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05453443 |
| Source dataset | uspto-grants-1995_09 |
| ORD ID | ord-f0cb0b14af134a38b82641874174913d |
| Source note | uspto-grants-1995_09 |