HuagongsheHuagongshe Chemistry Print Report · For research reference only
Phosgene → 3-Chloro-2-(2,3-dihydro-2-oxo-1,3,4-oxadiazol-5-yl)benzo(b)thiophene
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Phosgene | HCID 6371 | — |
| Reactant | 3-Chloro-1-benzothiophene-2-carbohydrazide | HCID 606925 | — |
| Product | 3-Chloro-2-(2,3-dihydro-2-oxo-1,3,4-oxadiazol-5-yl)benzo(b)thiophene | HCID 132875 | — |
Reaction Steps
In the same way as above, 3-chlorobenzo(b)thiophene 2-carboxylic acid hydrazide was reacted with phosgene to give 3-chloro-2-(2-oxo-3H-1,3,4-oxadiazole-5-yl)-benzo(b)thiophene, mp. 218°-220°.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04269846 |
| Source dataset | uspto-grants-1981_05 |
| ORD ID | ord-9a41ea37b5a042bb8ffdfc2c06fd6bcc |
| Source note | uspto-grants-1981_05 |