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
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Ethyl Acetate | HCID 8857 | — |
| Reactant | Thionyl Chloride | HCID 24386 | — |
| Reactant | 8-(1,3-Thiazol-2-yl)-1,4-dioxaspiro[4.5]decan-8-ol | HCID 57803329 | — |
| Solvent | Pyridine | HCID 1049 | — |
| Product | 2-(1,4-Dioxaspiro[4.5]dec-7-en-8-yl)thiazole | HCID 59556142 | 36.4% |
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
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08729063B2 |
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| Source dataset | uspto-grants-2014_05 |
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| ORD ID | ord-3ef44bc2ea844dd7bae253805b7b4919 |
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| Source note | uspto-grants-2014_05 |
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