HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Bromophenylhydrazine → HCID 23460529, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Bromophenylhydrazine | HCID 12158 | — |
| Reactant | (4-Chlorophenyl)hydrazine | HCID 70624 | — |
| Reactant | HCID 23460534 | HCID 23460534 | — |
| Product | HCID 23460529 | HCID 23460529 | — |
| Product | HCID 23460540 | HCID 23460540 | — |
Reaction Steps
By the same procedure methyl 6-chloro-4-oxothiochroman-3-carboxylate was reacted with 4-chlorophenylhydrazine and 4-bromophenylhydrazine to yield 8-chloro-2-(4-chlorophenyl)-1,2,3,4-tetrahydro[1]benzothiopyrano[4,3-c]pyrazol-3-one (m.p. 237°-240° C.) and 8-chloro-2-(4-bromophenyl)-1,2,3,4-tetrahydro[1]benzothiopyrano[4,3-c]pyrazol-3-one (m.p. 257°-260° C.), respectively.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04268516 |
| Source dataset | uspto-grants-1981_05 |
| ORD ID | ord-4682fe76536547c89646573212735ac1 |
| Source note | uspto-grants-1981_05 |