HuagongsheHuagongshe Chemistry Print Report · For research reference only
1-Biphenyl-2-ylmethyl-4-oxo-1,4-dihydro-[1,5]naphthyridine-3-carboxylic acid ethyl ester → 8-Oxo-5-(1-phenyl-cyclopentylmethyl)-5,8-dihydro-pyrido[2,3-b]pyrazine-7-carboxylic acid ethyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1-Biphenyl-2-ylmethyl-4-oxo-1,4-dihydro-[1,5]naphthyridine-3-carboxylic acid ethyl ester | HCID 86725433 | — |
| Reactant | 2-(3-Chloro-pyrazine-2-carbonyl)-3-dimethylamino-acrylic acid ethyl ester | HCID 86725437 | — |
| Product | 8-Oxo-5-(1-phenyl-cyclopentylmethyl)-5,8-dihydro-pyrido[2,3-b]pyrazine-7-carboxylic acid ethyl ester | HCID 86725438 | 30% |
Reaction Steps
8-Oxo-5-(1-phenyl-cyclopentylmethyl)-5,8-dihydro-pyrido[2,3-b]pyrazine-7-carboxylic acid ethyl ester (16) (600 mg, 30%) was synthesized as a brown sticky liquid from 1.5 g of 2-(3-chloro-pyrazine-2-carbonyl)-3-dimethylamino-acrylic acid ethyl ester (13) following the procedure described for 1-biphenyl-2-ylmethyl-4-oxo-1,4-dihydro-[1,5]naphthyridine-3-carboxylic acid ethyl ester (6).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09199987B2 |
| Source dataset | uspto-grants-2015_12 |
| ORD ID | ord-3eead7ad4d564a8a9b9d78d951617389 |
| Source note | uspto-grants-2015_12 |