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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1025752Generated: October 30, 2026

Water → 2-(1,4-Dioxaspiro[4.5]dec-7-en-8-yl)thiazole

https://huagongshe.com/reaction/1025752

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantEthyl AcetateHCID 8857—
ReactantThionyl ChlorideHCID 24386—
Reactant8-(1,3-Thiazol-2-yl)-1,4-dioxaspiro[4.5]decan-8-olHCID 57803329—
SolventPyridineHCID 1049—
Product2-(1,4-Dioxaspiro[4.5]dec-7-en-8-yl)thiazoleHCID 5955614236.4%

Reaction Conditions

Temperature0 °C

Reaction Steps

To a mixture of 8-(1,3-thiazol-2-yl)-1,4-dioxaspiro[4.5]decan-8-ol (0.8 g, 3.32 mmol) in pyridine (10 mL) at 0° C. was added thionyl chloride (2.5 mL, 34.3 mmol) under N2. After being stirred for 2 h at 0° C. under N2, water and EtOAc were added. The aqueous layer was extracted with EtOAc (3×). The combined organic layers were washed with saturated NaCl, dried (MgSO4), concentrated and flash chromatographed using 10% EtOAc/hexane to give 0.27 g of the title compound in 36% yield. MS (EI) calcd: (M+1)+=224.1; found: 224.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08729063B2
Source datasetuspto-grants-2014_05
ORD IDord-3ef44bc2ea844dd7bae253805b7b4919
Source noteuspto-grants-2014_05