HuagongsheHuagongshe Chemistry Print Report · For research reference only
Diphosgene → 4-Chloro-2,3-dihydro-2,2-dimethylbenzofuran-3-on-7-yl isocyanate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Diphosgene | HCID 10426 | — |
| Reactant | 7-Amino-4-chloro-2,3-dihydro-2,2-dimethylbenzofuran-3-one | HCID 22404723 | — |
| Solvent | Toluene | HCID 1140 | — |
| Product | 4-Chloro-2,3-dihydro-2,2-dimethylbenzofuran-3-on-7-yl isocyanate | HCID 22404741 | 99.9% |
Reaction Steps
By the method of Example 1, Step F, 2.70 g (0.012 mole) of 7-amino-4-chloro-2,3-dihydro-2,2-dimethylbenzofuran-3-one was reacted with 2.37 g (0.012 mole) of trichloromethyl chloroformate in toluene, yielding 2.85 g of 4-chloro-2,3-dihydro-2,2-dimethylbenzofuran-3-on-7-yl isocyanate.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05521147 |
| Source dataset | uspto-grants-1996_05 |
| ORD ID | ord-a8554d852adb4901b088f9e5abbdd9b3 |
| Source note | uspto-grants-1996_05 |