HuagongsheHuagongshe Chemistry Print Report · For research reference only
Benzoylhydrazine → HCID 67842118, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Benzoylhydrazine | HCID 11955 | — |
| Reactant | 2,2-Dimethyl-3,4-epoxy-6-cyanochroman | HCID 10867360 | — |
| Solvent | Ethanol hexane | HCID 21879635 | — |
| Product | HCID 67842118 | HCID 67842118 | 54.1% |
Reaction Steps
The procedure of Reference Example 2 was repeated except that 1.3 g of 6-cyano-3,4-epoxy-3,4-dihydro-2,2-dimethyl-2H-1-benzopyran and 1.0 g of benzoylhydrazine was used, and 1.18 g of trans-4-(2-benzoylhydrazino)-6-cyano-3,4-dihydro-2,2-dimethyl-2H-1-benzopyran-3-ol was obtained as white crystals, m.p. 197°-199° C. (recrystallized from hexane-ethanol).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05318969 |
| Source dataset | uspto-grants-1994_06 |
| ORD ID | ord-9a1ffca694b94b80b81ac813eb9dc04e |
| Source note | uspto-grants-1994_06 |