Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | N-bromobutanimide | HCID 67184 | — |
| Reactant | HCID 19861824 | HCID 19861824 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 13902401 | HCID 13902401 | 84.6% |
Reaction Steps
A solution of 1.0 g (3.83 mmol) of 2-hydroxy-3-bromo-4,6-dimethoxybenzaldehyde (see R. Royer, et al, Eur. J. Med. Chem., 12:455 (1977) as an example of how to obtain this material) in 50 ml of glacial acetic acid was warmed to 60° C. N-Bromosuccinimide (0.68 g, 3.83 mmol) was added in one portion and the solution was cooled to ambient temperature. The reaction mixture was diluted with 200 ml of water and the solids were filtered and air dried. The solid was crystallized from ethanol. There was obtained 1.1 g (3.24 mmol, 84%) of 2-hydroxy-3,5-dibromo-4,6-dimethoxybenzaldehyde as a white solid; mp 103°-104° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US04910202 |
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| Source dataset | uspto-grants-1990_03 |
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| ORD ID | ord-edbd4515c6644536b357d6362699481c |
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| Source note | uspto-grants-1990_03 |
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