HuagongsheHuagongshe Chemistry Print Report · For research reference only
p-Toluenesulfonic acid monohydrate → 7-Bromo-5-methoxy-2-(4-methoxy-3-(trifluoromethyl)phenyl]-1,3-benzoxazole
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | p-Toluenesulfonic acid monohydrate | HCID 521998 | — |
| Reactant | 2-Bromo-4-methoxy-6-{[4-methoxy-3-(trifluoromethyl)benzoyl]amino}phenyl 4-methoxy-3-(trifluoromethyl)benzoate | HCID 22669162 | — |
| Product | 7-Bromo-5-methoxy-2-(4-methoxy-3-(trifluoromethyl)phenyl]-1,3-benzoxazole | HCID 21907373 | — |
Reaction Steps
The title compound was prepared in substantially the same manner as described in Example 20, Step d (Route a), from 2-bromo-4-methoxy-6-{[4-methoxy-3-(trifluoromethyl)benzoyl]amino}phenyl 4-methoxy-3-(trifluoromethyl)benzoate and p-toluenesulfonic acid monohydrate. The product was obtained as an off-white solid, m.p. 183-185° C.; MS m/e 402 (M+H)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06794403B2 |
| Source dataset | uspto-grants-2004_09 |
| ORD ID | ord-41f994219acb4e0dab28cd139feef3ab |
| Source note | uspto-grants-2004_09 |