HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-(4-tert.-Butoxycarbonylamino-3-nitro-phenyl)-3,6-dihydro-2H-pyridine-1-carboxylic acid tert.-butyl ester → 1(2h)-Pyridinecarboxylic acid,4-[3-amino-4-[[(1,1-dimethylethoxy)carbonyl]amino]phenyl]-3,6-dihydro-,1,1-dimethylethyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-(4-tert.-Butoxycarbonylamino-3-nitro-phenyl)-3,6-dihydro-2H-pyridine-1-carboxylic acid tert.-butyl ester | HCID 69592837 | — |
| Catalyst | Azanium ZINC chloride | HCID 5362536 | — |
| Product | 1(2h)-Pyridinecarboxylic acid,4-[3-amino-4-[[(1,1-dimethylethoxy)carbonyl]amino]phenyl]-3,6-dihydro-,1,1-dimethylethyl ester | HCID 69592850 | 31.6% |
Reaction Steps
Prepared from 4-(4-tert.-butoxycarbonylamino-3-nitro-phenyl)-3,6-dihydro-2H-pyridine-1-carboxylic acid tert.-butyl ester (Example E1) (256 mg, 0.61 mmol) by reduction with Zn/NH4Cl according to the general procedure G (method c). Obtained as an orange foam (75 mg).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06960578B2 |
| Source dataset | uspto-grants-2005_11 |
| ORD ID | ord-9bd83a8dbf4b474d9e631e73e0b1916f |
| Source note | uspto-grants-2005_11 |