HuagongsheHuagongshe Chemistry Print Report · For research reference only
Piperazine → HCID 54169151, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Piperazine | HCID 4837 | — |
| Reactant | Tetraethyl vinylidene phosphonate | HCID 11022954 | — |
| Product | HCID 54169151 | HCID 54169151 | — |
Reaction Steps
Reaction of piperazine with tetraethyl ethenylidenebisphosphonate according to the procedure described in Example 1, above, gives tetraethyl 2-(1-piperazyl)-1,1-ethanediphosphonate. Reaction of the latter with 9-chloro-10-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benz-oxazine-6-carboxylic acid yields the title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05880111 |
| Source dataset | uspto-grants-1999_03 |
| ORD ID | ord-760ce2e638de4e7eaf734ade293e1e85 |
| Source note | uspto-grants-1999_03 |