HuagongsheHuagongshe Chemistry Print Report · For research reference only
Tetraethyl vinylidene phosphonate → (+)-[2-(3,4-Dihydro-4-oxo-2-phenyl-2H-1-benzopyran-3-yl)ethylidene]bisphosphonic acid tetraethyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Tetraethyl vinylidene phosphonate | HCID 11022954 | — |
| Reactant | N-(6-methoxybenzothiazol-2-yl)-3-oxo-3-phenylpropanamide | HCID 19975336 | — |
| Product | (+)-[2-(3,4-Dihydro-4-oxo-2-phenyl-2H-1-benzopyran-3-yl)ethylidene]bisphosphonic acid tetraethyl ester | HCID 10075500 | — |
Reaction Steps
Ethenylidenebisphosphonic acid tetraethyl ester (I) and tetralone (II), MS (m/e) 524, 479, 302 and 165; IR (neat) 2983, 1683, 1607, 1580, 1499, 1474, 1464 and 1257 cm-1.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05602115 |
| Source dataset | uspto-grants-1997_02 |
| ORD ID | ord-1d3e104a62d5407f916a63b13588e16a |
| Source note | uspto-grants-1997_02 |