HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sulfuric Acid → 1-Hydroxy-2,2,6,6-tetramethyl-4-acetamidopiperidinium Bisulfate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sulfuric Acid | HCID 1118 | — |
| Reactant | N-(1-hydroxy-2,2,6,6-tetramethylpiperidin-4-yl)acetamide | HCID 579904 | — |
| Solvent | Isopropanol | HCID 3776 | — |
| Product | 1-Hydroxy-2,2,6,6-tetramethyl-4-acetamidopiperidinium Bisulfate | HCID 22182980 | — |
Reaction Steps
2.6 ml of concentrated sulfuric acid is added dropwise to a solution of 10.0 g (46.9 mmol) 1-oxyl-2,2,6,6-tetramethyl-4-acetamidopiperidine in 50 ml isopropanol. After 48 hrs the resulting white solid is collected by filtration, washed with isopropanol and dried under vacuum, mp 198° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06447644B1 |
| Source dataset | uspto-grants-2002_09 |
| ORD ID | ord-9ce31d586d2a49ebbce9655eb65bad58 |
| Source note | uspto-grants-2002_09 |