HuagongsheHuagongshe Chemistry Print Report · For research reference only
2,3-Dichloro-5,6-dicyano-1,4-benzoquinone → HCID 70544502, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone | HCID 6775 | — |
| Reactant | HCID 22820401 | HCID 22820401 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | HCID 70544502 | HCID 70544502 | 93.9% |
Reaction Steps
A solution of 1.5 g of 17β-acetoxy-16α-propyl-5(10),9(11)-estradien-3-one in 100 ml of methylene chloride is dehydrogenated with 1.8 g of dichlorodicyano-p-benzoquinone under the conditions of Example 1. After crystallization from diisopropyl ether, 1.4 g of 17β-acetoxy-16α-propyl-4,9,11-estratrien-3-one is obtained, m.p. 108°-109° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04333928 |
| Source dataset | uspto-grants-1982_06 |
| ORD ID | ord-86a6f5e699714ab788aa129b4ee7f097 |
| Source note | uspto-grants-1982_06 |