HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 56996453, compound → HCID 56624732, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | HCID 56996453 | HCID 56996453 | — |
| Reactant | HCID 178506807 | HCID 178506807 | — |
| Product | HCID 56624732 | HCID 56624732 | — |
Reaction Steps
reacting androsta-1,3,5,9(11)-tetraene-17-one-3-diethylenamine with a cis-trans mixture of 2-chloro-2-lithio-1-ethoxyethylene to give a compound of the formula: ##STR38## (2) hydrolysis of the product of step (1) with acid to give 20-chloropregna 1,4,9(11),17(20)-tetraen-3-one-21-al (IVb) and
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04216159 |
| Source dataset | uspto-grants-1980_08 |
| ORD ID | ord-f8a044d57aa246b0951591bcd0ca245b |
| Source note | uspto-grants-1980_08 |