HuagongsheHuagongshe Chemistry Print Report · For research reference only
Potassium Phosphate, Tribasic → 3-(benzyloxy)-N-(3-methyl-1,2,4-thiadiazol-5-yl)pyridin-2-amine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Potassium Phosphate, Tribasic | HCID 62657 | — |
| Reactant | 5-Amino-3-methyl-1,2,4-thiadiazole | HCID 350639 | — |
| Reactant | 3-(Benzyloxy)-2-chloropyridine | HCID 819374 | — |
| Catalyst | 1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine) | HCID 636044 | — |
| Catalyst | Bis(dibenzylideneacetone)palladium | HCID 9811564 | — |
| Solvent | Water | HCID 962 | — |
| Solvent | Toluene | HCID 1140 | — |
| Product | 3-(benzyloxy)-N-(3-methyl-1,2,4-thiadiazol-5-yl)pyridin-2-amine | HCID 16660332 | 89.9% |
Reaction Steps
3-(Benzyloxy)-2-chloropyridine (0.8393 g, 3.821 mmol), 3-methyl-1,2,4-thiadiazol-5-amine (8.684 mL, 3.474 mmol), potassium phosphate (0.8110 g, 3.821 mmol), tris(dibenzylideneacetone)dipalladium (O) (0.07952 g, 0.08684 mmol) and 9,9-dimethyl-4,5-bis(diphenylphosphino)xanthene (0.05527 g, 0.09552 mmol) in toluene (8 mL) and water (3 mL) were reacted according to Example 17, Step B, to afford 3-(benzyloxy)-N-(3-methyl-1,2,4-thiadiazol-5-yl)pyridin-2-amine (0.932 g, 88.13% yield) as light yellow solid. 1H NMR (CDCl3) δ 8.9 (s, 1H), 7.97 (dd, J=1.17, 5.07 Hz, 1H), 7.37 (m, 5H), 7.15 (dd, J=1.17, 7.80 Hz, 1H), 6.89 (dd, J=5.07, 7.80 Hz, 1H), 5.09 (s, 2H), 2.47 (s, 3H). Mass spectrum (esi) m/z=299 (100) (M+H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08933077B2 |
| Source dataset | uspto-grants-2015_01 |
| ORD ID | ord-0bd94a505a0f4eafaa19dffb369fe65c |
| Source note | uspto-grants-2015_01 |