HuagongsheHuagongshe Chemistry Print Report · For research reference only
Thionyl Chloride → Methyl 21-chloroformylheneicosanoate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Thionyl Chloride | HCID 24386 | — |
| Reactant | 22-Methoxy-22-oxodocosanoic acid | HCID 347361 | — |
| Product | Methyl 21-chloroformylheneicosanoate | HCID 20431167 | — |
Reaction Steps
One gram of 1,20-eicosanedicarboxylic acid monomethyl ester is dissolved in 5 ml of thionyl chloride. After stirring at room temperature for 12 hours, excess thionyl chloride is distilled off under reduced pressure to give crude crystals of methyl 21-chloroformylheneicosanoate. This product is submitted to the following step without purification.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04436753 |
| Source dataset | uspto-grants-1984_03 |
| ORD ID | ord-9848f02cdc4c4fd6bc52b4ab08243eac |
| Source note | uspto-grants-1984_03 |