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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 357868Generated: October 30, 2026

Piperidine → HCID 54721702, compound

https://huagongshe.com/reaction/357868

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperidineHCID 8082—
ReactantHCID 21222492HCID 21222492—
Reactant3-bromo-5,6-dihydro-4-hydroxy-6,6-diphenyl-2H-pyran-2-oneHCID 54721560—
SolventDichloromethaneHCID 6344—
ProductHCID 54721702HCID 54721702—

Reaction Steps

The title compound was prepared as described in General Method 6 from 2.0 mmol of 3-bromo-5,6-dihydro-4-hydroxy-6,6-diphenyl-2H-pyran-2-one (prepared in example AAA), 2.1 mmol of 4-chloro-2-isopropylbenzenethiol, and 2.1 mmol of piperidine in 30 mL of dichloromethane. The product was chromatographed on silica gel, eluting first with chloroform and then with 5% methanol in chloroform (m.p. 95°-96° C.). 1H NMR (DMSO-d6) δ 1.16 (d, 6 H), 3.23 (m, 1 H), 3.73 (bs, 2 H), 5.60 (d, 1 H), 6.45 (d, 1 H), 7.14 (d, 1 H), 7.32-7.48 (m, 10 H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05840751
Source datasetuspto-grants-1998_11
ORD IDord-d8cc78ae3d3c430e9fb753cd9945502a
Source noteuspto-grants-1998_11