HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ammonia → 5-(Pyridazin-4-yl)-3-(pyridin-3-yl)-1,2,4-oxadiazole
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ammonia | HCID 222 | — |
| Reactant | N-Hydroxynicotinimidamide | HCID 308113 | — |
| Reactant | Pyridazine-4-carboxylic Acid | HCID 2761046 | — |
| Product | 5-(Pyridazin-4-yl)-3-(pyridin-3-yl)-1,2,4-oxadiazole | HCID 44544669 | — |
Reaction Steps
The titled compound was prepared according to the procedure of Method C using N′-hydroxynicotinimidamide (Aldrich) and pyridazine-4-carboxylic acid (Aldrich). 1H NMR (300 MHz, CD3OD) δ 7.67 (ddd, J=8.1, 5.0, 0.8 Hz, 1 H), 8.45 (dd, J=5.4, 2.4 Hz, 1 H), 8.60 (dt, J=8.1, 1.9 Hz, 1 H), 8.78 (dd, J=5.1, 1.7 Hz, 1 H), 9.34 (dd, J=2.2, 0.8 Hz, 1 H), 9.55 (dd, J=5.4, 1.4 Hz, 1 H), 9.94 (dd, J=2.2, 1.2 Hz, 1 H) ppm; MS (DCI/NH3) m/z=226 (M+H)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08486979B2 |
| Source dataset | uspto-grants-2013_07 |
| ORD ID | ord-024abf02b7024068963883049cc87dae |
| Source note | uspto-grants-2013_07 |