HuagongsheHuagongshe Chemistry Print Report · For research reference only
N-bromobutanimide → 407636-44-6
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | N-bromobutanimide | HCID 67184 | — |
| Reactant | 4-(2-Thienyl)butanoic acid methyl ester | HCID 140766 | — |
| Reactant | HCID 18680339 | HCID 18680339 | — |
| Product | 407636-44-6 | HCID 18474982 | 90% |
Reaction Steps
The NBS bromination of 1b according to the procedure outlined for the preparation of 2a gave >90% yield of 2b as a colorless oil. b.p.: 138° C. at 0.15 mmHg. 1H NMR (250 MHz, 25° C., CDCl3): δ6.82 (d, 1H, Ar—H), 6.52 (d, 1H, Ar—H), 3.64 (s, 3H, OCH3), 2.79 (t, 2H, CH2CO2Me), 2.33 (t, 2H, Ar—CH2), 1.93 (tt, 2H, CH2CH2CH2).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06414164B1 |
| Source dataset | uspto-grants-2002_07 |
| ORD ID | ord-7f1133073b42433986eb87501c6dd032 |
| Source note | uspto-grants-2002_07 |