HuagongsheHuagongshe Chemistry Print Report · For research reference only
2,3-Dihydro-1-methyl-1H-phosphole 1-oxide → 1-Methyl-1-oxophospholanyl dimethyl phosphine oxide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2,3-Dihydro-1-methyl-1H-phosphole 1-oxide | HCID 70104 | — |
| Reactant | methylphosphonoylmethane | HCID 178503022 | — |
| Solvent | Dibutyl Phthalate | HCID 3026 | — |
| Product | 1-Methyl-1-oxophospholanyl dimethyl phosphine oxide | HCID 21406646 | — |
Reaction Steps
116 g of 1-methyl-1-oxophospholine and 6 g of tert.-butyl perpivalate in dibutyl phthalate are added dropwise with stirring under an oxygen-free atmosphere to 234 g of dimethyl phosphine oxide. The reaction temperature is 75° to 80° C. The starting materials are then distilled off. The residue consists of 185 g of 1-methyl-1-oxophospholanyl dimethyl phosphine oxide.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04052484 |
| Source dataset | uspto-grants-1977_10 |
| ORD ID | ord-baa22e997a8a460bb171ee0725220b3f |
| Source note | uspto-grants-1977_10 |