HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethylamine → 9-Chloro-3-[2-(ethylamino)propyl]-1,2,3,4-tetrahydro-8-methyl-5H-[1]benzopyrano[3,4-c]pyridin-5-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethylamine | HCID 6341 | — |
| Reactant | HCID 13136937 | HCID 13136937 | — |
| Product | 9-Chloro-3-[2-(ethylamino)propyl]-1,2,3,4-tetrahydro-8-methyl-5H-[1]benzopyrano[3,4-c]pyridin-5-one | HCID 13136971 | 20.9% |
Reaction Steps
Prepared by the method described for example 51 from 9-chloro-1,2,3,4-tetrahydro-8-methyl-3-(2-oxopropyl)-5H-[1]benzopyrano[3,4-c]pyridin-5-one (6.2 g, 0.020 moles) and ethylamine (6 ml, 0.092 moles). Recrystallization from ethyl acetate gave the product (1.4 g), mp 162°-163° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04382939 |
| Source dataset | uspto-grants-1983_05 |
| ORD ID | ord-e3635c2b54504b9c8d96471f77674a2f |
| Source note | uspto-grants-1983_05 |