HuagongsheHuagongshe Chemistry Print Report · For research reference only
3-(Phenylcarbamyloxy)-4-hydroxy-2,5-diphenylthiophene-1,1-dioxide → Phenyl isocyanate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3-(Phenylcarbamyloxy)-4-hydroxy-2,5-diphenylthiophene-1,1-dioxide | HCID 22763655 | — |
| Solvent | 1,2-Dichlorobenzene | HCID 7239 | — |
| Product | Phenyl isocyanate | HCID 7672 | — |
Reaction Steps
2.1 g of 3-(phenylcarbamyloxy)-4-hydroxy-2,5-diphenylthiophene-1,1-dioxide in 50 ml of o-dichlorobenzene are heated at 150° C. for 2 hours. The phenyl isocyanate formed is then distilled off under reduced pressure produced by a water pump.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04122090 |
| Source dataset | uspto-grants-1978_10 |
| ORD ID | ord-96f2533890464c4e809c0b27a6210780 |
| Source note | uspto-grants-1978_10 |