HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → HCID 178468491, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | Ethyl 4-benzylpiperidine-4-carboxylate | HCID 53297794 | — |
| Reactant | HCID 178486816 | HCID 178486816 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 178468491 | HCID 178468491 | 87% |
Reaction Steps
A mixture of 1.2 g (5 mmol) 2-Chloro-6,7-dimethoxy-quinazolin-4-ol (commercially available), 2.26 g (8 mmol) 4-Benzyl-piperidine-4-carboxylic acid ethyl ester; hydrochloride and 1.93 g (15 mmol) DIPEA in 80 mL ethanol was heated to reflux for 62 h. The mixture was concentrated, the precipitate filtered off and washed with ethanol and diethyl ether. The residue was dried. 1.9 g (87%) of the title compound was isolated as white solid. MS (m/e): 452.2 (MH+).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08318749B2 |
| Source dataset | uspto-grants-2012_11 |
| ORD ID | ord-aa5c635bbc684f72bb11a0fa9105a0d8 |
| Source note | uspto-grants-2012_11 |