HuagongsheHuagongshe Chemistry Print Report · For research reference only
Boron tribromide → HCID 18372862, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Boron tribromide | HCID 25134 | — |
| Reactant | 2-(Benzo[1,3]dioxol-5-yl)-3-hydroxy-5-methoxy-chromen-4-one | HCID 9839744 | — |
| Product | HCID 18372862 | HCID 18372862 | 40,315,552% |
Reaction Steps
The reaction was conducted according to the same procedure as Example 57 except that 60 mg (190 pmol) of the compound obtained in Example 4 instead of the compound obtained in Example 12 and 1.5 molar equivalents of boron tribromide (BBr3) were used. Then the resulting product was separated by preparative TLC to give 23 mg of the title compound in a yield of 40%.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06500846B1 |
| Source dataset | uspto-grants-2002_12 |
| ORD ID | ord-5c2757a6cef243a382d8ab72d0febe8f |
| Source note | uspto-grants-2002_12 |