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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 341542Generated: November 2, 2026

Water → HCID 66803133, compound

https://huagongshe.com/reaction/341542

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantTetrahydro-4H-pyran-4-olHCID 74956—
ReactantEthyl 6-chloronicotinateHCID 2799611—
ReactantPotassium tert-butoxideHCID 23665647—
SolventTetrahydrofuranHCID 8028—
ProductHCID 66803133HCID 6680313335.4%

Reaction Steps

Oxan-4-ol (0.302 g, 2.96 mmol) was dissolved in THF (5 mL) and cooled to 0 C under nitrogen. Potassium tert-butoxide (0.332 g, 2.96 mmol) was added and the mixture stirred for 5 min. Ethyl 6-chloronicotinate (0.500 g, 2.69 mmol) was added, the mixture was warmed to room temperature and stirred for 3 h. Water (5 mL) was added and the mixture extracted with EtOAc (2×10 mL). The organic layers were dried over sodium sulfate and concentrated under vacuum. The residue was purified by FCC, eluting with a gradient of 5-20% EtOAc in heptane to afford the title compound as a colourless oil (0.239 g, 35%). 1H NMR (250 MHZ, CDCl3) δ ppm 8.80 (1H, dd), 8.14 (1H, m), 6.73 (1H, dd), 5.25 (1H, m), 4.39 (2H, dq), 3.96 (2H, m), 3.60 (2H, m), 2.05 (2H, m), 1.81 (2H, m) and 1.40 (3H, dt).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08895733B2
Source datasetuspto-grants-2014_11
ORD IDord-98456a59da4549e2a6c1afece76cf791
Source noteuspto-grants-2014_11