Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Ethylene Oxide | HCID 6354 | — |
| Reactant | 1-(2,2,6,6-Tetramethylpiperidin-4-yl)azepan-2-one | HCID 18551435 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 20446373 | HCID 20446373 | — |
Reaction Steps
To a small autoclave is charged a solution of 6.6 g (0.15 mole) of ethylene oxide and 25.2 g (0.1 mole) of N-(2,2,6,6-tetramethylpiperidin-4-yl)-epsilon-caprolactam, in 100 ml of N,N-dimethylformamide. The autoclave is heated for four hours at 190° C. during which time the pressure dropped from 100 psi (7 kg/cm2) to 70 psi (4.9 kg/cm2). The reaction mixture is then distilled in vacuo (50° C./2 mm) to remove the solvent. The residue is crystallized from 300 ml of heptane:toluene (2:1) to give the above-named product in a yield of 13.7 g as a white solid melting at 141°-142° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US04472547 |
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| Source dataset | uspto-grants-1984_09 |
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| ORD ID | ord-a0272b069b9445428c364db09ad0e732 |
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| Source note | uspto-grants-1984_09 |
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