HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 898094Generated: October 30, 2026
Malonic Acid → (r)-3-(p-Bromophenyl)-beta-alanine
https://huagongshe.com/reaction/898094
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Malonic Acid | HCID 867 | — |
| Reactant | 4-Bromobenzaldehyde | HCID 70741 | — |
| Reactant | Ammonium Acetate | HCID 517165 | — |
| Solvent | Water ethanol | HCID 19096565 | — |
| Product | (r)-3-(p-Bromophenyl)-beta-alanine | HCID 724054 | 63% |
Reaction Steps
p-Bromo-benzaldehyde (10.0 g, 54 mmol) was mixed with 100 ml of ethanol/water (95/5), 8.3 g of ammonium acetate (108 mmol), and 11.2 g of malonic acid (108 mmol), heated under reflux at 80° C. with stirring for 17 hours, filtered under heating and dried under reduced pressure to give 8.3 g of p-bromo-β-phenylalanine crystals at a yield of 62.8%.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07351571B2 |
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| Source dataset | uspto-grants-2008_04 |
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| ORD ID | ord-50675645573b4d7ea63ad236cf72995d |
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| Source note | uspto-grants-2008_04 |
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