HuagongsheHuagongshe Chemistry Print Report · For research reference only
Tetraethyl vinylidene phosphonate → [4-Oxo-4-(2-thiophenyl)-butylidene]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 | [4-Oxo-4-(2-thiophenyl)-butylidene]bisphosphonic acid tetraethyl ester | HCID 85643872 | — |
Reaction Steps
Ethenylidenebisphosphonic acid tetraethyl ester (I) and 2-acetylthiophene (II, 0.76 ml); MS (m/e) 426, 381, 315, 289, 261, 152 and 111; IR (neat) 1663, 1518, 1478, 1443, 1416, 1392, 1368, 1355, 1250, 1164 and 1142 cm-1 ; NMR (CDCl3) 7.77, 7.62, 7.12, 4.2, 3.32, 2.58, 2.36 and 1.33 δ; CMR (CDCl3) 192, 144, 133.5, 135.5, 128, 62, 38, 32.5 (t), 20.5 and 16 δ.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05602115 |
| Source dataset | uspto-grants-1997_02 |
| ORD ID | ord-74467a9b1daa460a8251080b0838f088 |
| Source note | uspto-grants-1997_02 |