HuagongsheHuagongshe Chemistry Print Report · For research reference only
Water → 5-(1-Acetoxy-5-methoxypentyl)-2-norbornene
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | 5-(1-Hydroxy-5-methoxypentyl)-2-norbornene | HCID 22679043 | — |
| Catalyst | 4-(Dimethylamino)pyridine | HCID 14284 | — |
| Solvent | Pyridine | HCID 1049 | — |
| Product | 5-(1-Acetoxy-5-methoxypentyl)-2-norbornene | HCID 22679042 | 97% |
Reaction Steps
In 63.3 g of pyridine, 105.2 g of 5-(1-hydroxy-5-methoxypentyl)-2-norbornene (Monomer 1) was reacted with 61.3 g of acetic anhydride in the presence of 2 g of 4-dimethylaminopyridine at room temperature for 10 hours. The reaction was stopped by adding 30 g of water. Extraction with hexane gave the organic layer, which was washed with water, dried over anhydrous sodium sulfate, filtered, and concentrated in vacuum. The oily matter thus obtained was distilled in vacuum, obtaining 122.4 g of 5-(1-acetoxy-5-methoxypentyl)-2-norbornene. The yield was 97.0%.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06624335B2 |
| Source dataset | uspto-grants-2003_09 |
| ORD ID | ord-cd8ecfd1eea34c418da7430bc9694d88 |
| Source note | uspto-grants-2003_09 |