HuagongsheHuagongshe Chemistry Print Report · For research reference only
7-Nitro-3,4-dihydroisoquinolin-1(2H)-one → 7-Amino-1,2,3,4-tetrahydroisoquinolin-1-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 7-Nitro-3,4-dihydroisoquinolin-1(2H)-one | HCID 13152842 | — |
| Catalyst | Palladium | HCID 23938 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | 7-Amino-1,2,3,4-tetrahydroisoquinolin-1-one | HCID 13152844 | 85.71% |
Reaction Steps
Using analogous reaction conditions, work up and purification as described for the preparation of intermediate I-24c above, 7-Nitro-3,4-dihydro-2H-isoquinolin-1-one (I-24a: 2.5 g, 0.013 mol) in methanol (50 mL) was reacted with 10% Pd—C (0.5 g) to afford the crude product, which was washed with n-hexane to afford 1.8 g of the product (85.71% yield).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08946260B2 |
| Source dataset | uspto-grants-2015_02 |
| ORD ID | ord-0702975ce5d046edbc423eebbc941aee |
| Source note | uspto-grants-2015_02 |