HuagongsheHuagongshe Chemistry Print Report · For research reference only
3-Bromofuran-2-carbonyl chloride → 3-(3-Amino-4-chloro-phenyl)-5-(3-bromofuran-2-yl)-[1,2,4]-oxadiazole
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3-Bromofuran-2-carbonyl chloride | HCID 21864576 | — |
| Reactant | 3-Amino-4-chloro-benzamidoxime | HCID 73851563 | — |
| Solvent | Pyridine | HCID 1049 | — |
| Product | 3-(3-Amino-4-chloro-phenyl)-5-(3-bromofuran-2-yl)-[1,2,4]-oxadiazole | HCID 16222397 | — |
Reaction Steps
The title compound was prepared from 3-amino-4-chloro-benzamidoxime (293 mg, 1.58 mmol) and 3-bromofuran-2-carbonyl chloride (329 mg, 1.57 mmol) in pyridine (2.8 mL) under reflux similar to Example 1b, yielded 289 mg (54%) as a white solid. 1H NMR (CDCl3): 7.66 (d, J=1.64 Hz, 1H), 7.59 (d, J=1.92 Hz, 1H), 7.50 (dd, J1=8.38 Hz, J2=2.07 Hz, 1H), 7.37 (d, J=8.24 Hz, 1H), 6.75 (d, J=1.93 Hz, 1H), 4.22 (s, 2H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07144876B2 |
| Source dataset | uspto-grants-2006_12 |
| ORD ID | ord-d49feab61b7c437a94ab600c7a4fc3dc |
| Source note | uspto-grants-2006_12 |