HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1786351Generated: October 26, 2026
Potassium Nitrate → 3,3-Dimethyl-6-nitro-2,3-dihydro-benzo[d]isothiazole 1,1-dioxide
https://huagongshe.com/reaction/1786351
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Potassium Nitrate | HCID 24434 | — |
| Reactant | 2,3-Dihydro-3,3-dimethyl-1,2-benzisothiazole 1,1-dioxide | HCID 4447355 | — |
| Solvent | Sulfuric Acid | HCID 1118 | — |
| Product | 3,3-Dimethyl-6-nitro-2,3-dihydro-benzo[d]isothiazole 1,1-dioxide | HCID 22249372 | — |
Reaction Steps
3,3-Dimethyl-2,3-dihydro-benzo[d]isothiazole 1,1-dioxide was added to KNO3 in H2SO4 cooled to 0° C. and stirred for 15 min. The reaction was warmed to RT and stirred overnight. The mix was poured into ice and extracted with EtOAc (3×), washed with H2O and brine, dried and evaporated to give the compound which was used without further purification.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07507748B2 |
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| Source dataset | uspto-grants-2009_03 |
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| ORD ID | ord-a4cbbdc887974a06bd7b11a541cdc418 |
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| Source note | uspto-grants-2009_03 |
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