HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1039965Generated: October 30, 2026
Sodium Sulfite → 8-(5-Bromo-1,3-thiazol-2-yl)-1,4-dioxaspiro[4.5]decan-8-ol
https://huagongshe.com/reaction/1039965
Participants
| Role | Name | HCID | Charge |
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| Reactant | Sodium Sulfite | HCID 24437 | — |
| Reactant | N-bromobutanimide | HCID 67184 | — |
| Reactant | 8-(1,3-Thiazol-2-yl)-1,4-dioxaspiro[4.5]decan-8-ol | HCID 57803329 | — |
| Solvent | Water | HCID 962 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | 8-(5-Bromo-1,3-thiazol-2-yl)-1,4-dioxaspiro[4.5]decan-8-ol | HCID 67256032 | 95.5% |
Reaction Steps
To a solution of 8-(1,3-thiazol-2-yl)-1,4-dioxaspiro[4.5]decan-8-ol (15.0 g, 62.2 mmol) in DMF (75 mL) was added NBS (6.9 g, 55 mmol) and the solution warmed to 45° C. for 8 hours. The solution was treated with Na2SO3 (3.9 g, 31 mmol) in H2O (150 mL) and the resulting slurry was filtered and washed with water (70 mL) to afford 8-(5-bromo-1,3-thiazol-2-yl)-1,4-dioxaspiro[4.5]decan-8-ol as a white solid (16.8 g, 52.5 mmol).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08551984B2 |
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| Source dataset | uspto-grants-2013_10 |
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| ORD ID | ord-f5fb9523fe0d45e09630146c9907d810 |
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| Source note | uspto-grants-2013_10 |
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