HuagongsheHuagongshe Chemistry Print Report · For research reference only
Dimethyl Sulfate → Tectochrysin
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Dimethyl Sulfate | HCID 6497 | — |
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | Chrysin | HCID 5281607 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | Tectochrysin | HCID 5281954 | — |
Reaction Steps
Prepared from chrysin by warming with one equivalent of dimethyl sulphate in DMF with finely ground K2CO3. Fine, light yellow needles, mp 175°-180° C. (lit. 163° C.). 1H NMR δ (DMSO-d6) 3.87 (s,OCH3), 6.39 (d, J=1.7 Hz, H-6), 6.80 (d, J=1.7 Hz, H-8). 7.02 (s,H-3), 7.58 (dd, J=J'=7.8 Hz, H-3'/5'), 7.60 (tt, J≈7.8 Hz, H-4'), 8.09 (d,J=7.8 Hz, H-2'/6'), 12.80 (s, C-5-OH).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05756538 |
| Source dataset | uspto-grants-1998_05 |
| ORD ID | ord-54e5b1aedddd4974bbe8841ea56f34da |
| Source note | uspto-grants-1998_05 |