HuagongsheHuagongshe Chemistry Print Report · For research reference only
Mandelic Acid → HCID 18413067, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Mandelic Acid | HCID 1292 | — |
| Reactant | Propanoyl bromide, 2-bromo- | HCID 79047 | — |
| Product | HCID 18413067 | HCID 18413067 | 33% |
Reaction Steps
3-methyl-6-phenyl-2,5-dioxane-1,4-dione (9) was synthesized by using mandelic acid and 2-bromopropionyl bromide. Recrystallization from toluene gave white crystals. Mp 153-156° C. Yield: 33%. 1H NMR (CDCl3) δ7.43 (m, 5H), 5.92 (s, 1H) 5.17 (q, 1H), 1.63 (d, 3H). 13C NMR (CDCl3 δ166.90, 165.55, 131.24, 129.95, 128.92, 127.44, 77.74, 72.77, 16.42 MS (m/q) 207.4 (M+1).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06469133B2 |
| Source dataset | uspto-grants-2002_10 |
| ORD ID | ord-b23ffc7949574c5b957b6e8d4f132457 |
| Source note | uspto-grants-2002_10 |