HuagongsheHuagongshe Chemistry Print Report · For research reference only
Methanol → 1-(2-(1-isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydroimidazo[1,2-d]pyrido[3,4-f][1,4]oxazepin-9-yl)azetidin-3-ol
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Methanol | HCID 887 | — |
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | 3-Hydroxyazetidine hydrochloride | HCID 2759290 | — |
| Reactant | 2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a,9-triaza-benzo[e]azulen-8-ol | HCID 136030913 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | 1-(2-(1-isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydroimidazo[1,2-d]pyrido[3,4-f][1,4]oxazepin-9-yl)azetidin-3-ol | HCID 58204325 | 14% |
Reaction Steps
Following the procedures of Example 339, 2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a,9-triaza-benzo[e]azulen-8-ol from Example 93 and 3-hydroxyazetidine hydrochloride with added DIPEA (2.2 eq.), were reacted and the crude product subjected to flash chromatography (SiO2, gradient 0 to 8% methanol in DCM) then recrystallisation from IMS to give 370 as pale green crystals (16 mg, 14%). LCMS: RT=2.26 min, [M+H]+368. 1H NMR 400 MHz (DMSO-d6) δ: 9.09 (1 H, s), 7.90 (1 H, d, J=0.63 Hz), 7.84 (1 H, s), 5.95-5.94 (1 H, m), 5.91 (1 H, s), 5.70 (1 H, d, J=6.40 Hz), 4.59 (1 H, s), 4.55-4.47 (4 H, m), 4.18 (2 H, t, J=7.66 Hz), 3.70 (2 H, dd, J=8.85, 4.66 Hz), 1.48 (6 H, d, J=6.60 Hz)
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08785626B2 |
| Source dataset | uspto-grants-2014_07 |
| ORD ID | ord-b18b5f69f92d4fa7ba4c7c75e4422fcf |
| Source note | uspto-grants-2014_07 |