HuagongsheHuagongshe Chemistry Print Report · For research reference only
Triethylamine → Dorastine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | Hydrazine, (4-chlorophenyl)-, hydrochloride (1:1) | HCID 71600 | — |
| Reactant | 1-Methylpiperidin-4-one hydrochloride | HCID 12210057 | — |
| Reactant | 5-(2-Bromoethyl)-2-methylpyridine | HCID 53305856 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | Dorastine | HCID 30530 | 2.3% |
Reaction Steps
Preparation of the title compound was carried out according to General Method 8. 4-Chlorophenylhydrazine hydrochloride (9 g, 50 mmol), 5-(2-bromoethyl)-2-methylpyridine (10 g, 50 mmol), triethyl amine (21 ml, 150 mmol) and N-methyl-4-piperidone hydrochloride (7.5 g, 50 mmol) were taken in ethanol (100 ml) to obtain 390 mg of 8-chloro-2,3,4,5-tetrahydro-2-methyl-5-(2-(6-methylpyridin-3-yl)ethyl)-1H-pyrido[4,3-b]indole after on purification on silica gel (230-400 mesh) chromatography eluting with methanol-dichloromethane gradient followed by reverse-phase chromatography (C-18, 500 mm×50 mm, Mobile Phase A=0.05% TFA in water, B=0.05% TFA in acetonitrile, Gradient: 10% B to 80% B in 30 min, injection vol. 5 mL).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09096591B2 |
| Source dataset | uspto-grants-2015_08 |
| ORD ID | ord-47fe7ce608a94627ad9499650f6aa2cb |
| Source note | uspto-grants-2015_08 |