Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Methylamine | HCID 6329 | — |
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1) | HCID 9886157 | — |
| Reactant | (1R,10R,11S,16S)-5-hydroxy-1,11,15,15-tetramethyl-8-oxo-8lambda4-thiatetracyclo-[8.8.0.02,7.011,16]octadeca-2,4,6-triene-4-carboxylic acid | HCID 58294800 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Product | HCID 86654195 | HCID 86654195 | 16% |
Reaction Steps
A mixture of (1R,10R,11S,16S)-5-hydroxy-1,11,15,15-tetramethyl-8-oxo-8λ4-thiatetracyclo[8.8.0.02,7.011,16]octadeca-2,4,6-triene-4-carboxylic acid (71) (0.40 g, 1.1 mmol), HATU (0.49 g, 1.3 mmol), Hunig's base (0.24 mL, 1.4 mmol), methylamine (2 M in diethyl ether, 2.7 mL, 5.4 mmol) in anhydrous THF (10 mL) and DMF (2 mL) was placed in a sealed vessel. The reaction was stirred at room temperature for 18 h. The reaction was diluted with EtOAc and washed with water and brine. The organic layer was separated and concentrated to dryness. The crude product was purified by flash chromatography on silica gel (CH2Cl2/EtOAc, 7:3) to yield (1R,10R,11S,16S)-5-hydroxy-N,1,11,15,15-pentamethyl-8-oxo-8λ4-thiatetracyclo[8.8.0.02,7.011,16]octadeca-2,4,6-triene-4-carboxamide (72) (0.07 g, 16% yield) as a white solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US08101605B2 |
|---|
| Source dataset | uspto-grants-2012_01 |
|---|
| ORD ID | ord-1b26392101a74af7b3ad53a94a2e1e6d |
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| Source note | uspto-grants-2012_01 |
|---|
