HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,1'-Biphenyl, mixt. with 1,1'-oxybis(benzene) → HCID 56613697, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,1'-Biphenyl, mixt. with 1,1'-oxybis(benzene) | HCID 24670 | — |
| Reactant | 17-(Acetyloxy)-19-norpregn-4-en-20-yn-3-one | HCID 63021 | — |
| Product | HCID 56613697 | HCID 56613697 | 60.7% |
Reaction Steps
One gram of 17α-acetoxy-17β-ethynyl-4-estren-3-one is treated analogously to Example 1 in "Dowtherm" for 10 minutes at 250° C. and worked up. Recrystallization from isopropyl ether yields 500 mg of 17-ethynyl-4,16-estradien-3-one, m.p. 148°-152° C. (40% of theory).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04290963 |
| Source dataset | uspto-grants-1981_09 |
| ORD ID | ord-e460fd2857c54d83bfc8e390cd43d8d7 |
| Source note | uspto-grants-1981_09 |