HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,4-Dioxane hydrochloride → 1-(5-Tert-butylisoxazol-3-yl)-3-{3-[6-methoxy-7-(piperidin-4-yloxy)quinazolin-4-yloxy]phenyl}urea
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,4-Dioxane hydrochloride | HCID 20443148 | — |
| Reactant | Tert-butyl 4-(4-{3-[3-(5-tert-butylisoxazol-3-yl)ureido]phenoxy}-6-methoxyquinazolin-7-yloxy)piperidine-1-carboxylate | HCID 67158473 | — |
| Product | 1-(5-Tert-butylisoxazol-3-yl)-3-{3-[6-methoxy-7-(piperidin-4-yloxy)quinazolin-4-yloxy]phenyl}urea | HCID 66875729 | — |
Reaction Steps
Using the procedure described in Example 103B, tert-butyl 4-(4-{3-[3-(5-tert-butylisoxazol-3-yl)ureido]phenoxy}-6-methoxyquinazolin-7-yloxy)piperidine-1-carboxylate was reacted with 4.0 M HCl/1,4-dioxane at room temperature for 6 hours, to afford 1-(5-tert-butylisoxazol-3-yl)-3-{3-[6-methoxy-7-(piperidin-4-yloxy)quinazolin-4-yloxy]phenyl}urea as a crude product. LC-MS (ESI) m/z 533 (M+H)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08618289B2 |
| Source dataset | uspto-grants-2013_12 |
| ORD ID | ord-80ebabc27f9a423d88fffc5154909c6b |
| Source note | uspto-grants-2013_12 |