HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,4-Dibromo-2,3-butanedione → 2,3-Bis(bromomethyl)benzo[g]quinoxaline
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,4-Dibromo-2,3-butanedione | HCID 22747 | — |
| Reactant | 2,3-Diaminonaphthalene | HCID 69872 | — |
| Product | 2,3-Bis(bromomethyl)benzo[g]quinoxaline | HCID 9969127 | — |
Reaction Steps
Following the procedure of Example 1, 1,4-dibromo-2,3-butanedione is condensed with 2,3-diaminonaphthalene to obtain 2,3-bis(bromomethyl)benzo[g]quinoxaline, m.p. 190°-191° C.; 1H NMR (DMSO-d6, 400 MHz): δ5.07 (s, 4H, CH2), 7.68 and 8.26 (double doublets, 4H, H-7 and H-8, H-6 and H-9, resp.), 8.78 (s, 2H, H-5 and H-10).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05118675 |
| Source dataset | uspto-grants-1992_06 |
| ORD ID | ord-07ff1a7017e741f599a2e607bfbe3dcb |
| Source note | uspto-grants-1992_06 |