HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sodium Hydroxide → (+/-)-trans-2-Pyrrolidino-6-propyl-5,5a, 6,7,8,9,9a,10-octahydropyrido[2,3-g]quinoline
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | Pyrrolidine, hydrochloride (1:1) | HCID 212848 | — |
| Reactant | HCID 18640062 | HCID 18640062 | — |
| Solvent | Water | HCID 962 | — |
| Product | (+/-)-trans-2-Pyrrolidino-6-propyl-5,5a, 6,7,8,9,9a,10-octahydropyrido[2,3-g]quinoline | HCID 18640069 | 53.1% |
Reaction Conditions
| Temperature | 210 °C |
|---|
Reaction Steps
A mixture of (±)-trans-2-chloro-6-propyl-5,5a,6,7,8,9,9a,10-octahydropyrido[2,3-g]quinoline hydrochloride (2.50 g, 8.3 mmol) and pyrrolidine hydrochloride (10 g) was heated to 210° C. to form a homogeneous molten semi-solid. After 45 minutes the molten semi-solid was poured into water, made basic with dilute NaOH solution, and extracted with methylene chloride. The extract was dried (Na2SO4) and concentrated to give the crude product as a brown solid. Purification by flash chromatography (10% methanol in methylene chloride, NH4OH) provided (±)-trans-2-pyrrolidino-6-propyl-5,5a,6,7,8,9,9a,10-octahydropyrido[2,3-g]quinoline (Rf =0.45, 1.32 g, 53% yield) as a brown oil.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04977149 |
| Source dataset | uspto-grants-1990_12 |
| ORD ID | ord-2b861294b5d04ef0b9ffaf58577a3838 |
| Source note | uspto-grants-1990_12 |