HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Bromobenzene-1,2-diamine → HCID 178419324, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Bromobenzene-1,2-diamine | HCID 323593 | — |
| Reactant | 1-Oxa-2-azaspiro[4.5]dec-2-ene-3-carboxylic acid | HCID 50994114 | — |
| Product | HCID 178419324 | HCID 178419324 | — |
Reaction Steps
The title compound was prepared from 1-oxa-2-aza-spiro[4.5]dec-2-ene-3-carboxylic acid (283 mg, 1.55 mmol, as prepared in Example 1, step B) and 4-bromobenzene-1,2-diamine (1.3 eq., 377 mg, 2.02 mmol) in 68% overall yield (299 mg) according to the procedures described in Example 1, steps F and G. 1H-NMR (400 MHz, d4-MeOH) δ: 7.74 (s, 1H), 7.51 (d, J=8.6 Hz, 1H), 7.40 (dd, J=8.6, 1.8 Hz, 1H), 3.25 (s, 2H), 1.69-1.88 (m, 6H), 1.43-1.63 (m, 4H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08232409B2 |
| Source dataset | uspto-grants-2012_07 |
| ORD ID | ord-37b72d5db4b54776a3c619e065d35b7e |
| Source note | uspto-grants-2012_07 |