Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Sulfuric acid magnesium salt (1:1) | HCID 24083 | — |
| Reactant | Lithium tri-s-butylborohydride | HCID 3611392 | — |
| Reactant | HCID 101616406 | HCID 101616406 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 101616408 | HCID 101616408 | 95% |
Reaction Steps
L-Selectride (45 μl of a 1.0M solution in tetrahydrofuran) was added to a 2-ml reaction vial at -78° C. containing 2.0 mg of radarin A in 1.0 ml of dry tetrahydrofuran. After the mixture was stirred for 30 min at -78° C., water (50 μl) was added and the mixture was allowed to warm to room temperature (15 min). Anhydrous magnesium sulfate was added and the solution was then passed through a small silica column. The product obtained upon evaporation of the solvent was redissolved in 1.0 ml methylene chloride and extracted with water (5×1 ml). The organic phase was dried and evaporated to yield radarin B (1.9 mg, 95% yield) which was identical to the natural product based on 1H NMR and HPLC analysis.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05106865 |
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| Source dataset | uspto-grants-1992_04 |
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| ORD ID | ord-a7567838c570400aa098d75c7f8bf8d5 |
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| Source note | uspto-grants-1992_04 |
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