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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2254550Generated: October 31, 2026

3,4-dihydro-2H-pyran → HCID 12966956, compound

https://huagongshe.com/reaction/2254550

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4-dihydro-2H-pyranHCID 8080—
ReactantHCID 12966955HCID 12966955—
SolventDichloromethaneHCID 6344—
ProductHCID 12966956HCID 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

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05236907
Source datasetuspto-grants-1993_08
ORD IDord-3851f5cc2d3741569c0d23e125f5db85
Source noteuspto-grants-1993_08