HuagongsheHuagongshe Chemistry Print Report · For research reference only
Diisopropylethylamine → 5-(4-Cyclopentyl-piperazine-1-carbonyl)-1H-indole-2-carboxylic acid ethyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | 1-Cyclopentylpiperazine | HCID 806421 | — |
| Reactant | O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate | HCID 2733207 | — |
| Reactant | 2-(Ethoxycarbonyl)-1H-indole-5-carboxylic acid | HCID 18071365 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | 5-(4-Cyclopentyl-piperazine-1-carbonyl)-1H-indole-2-carboxylic acid ethyl ester | HCID 68681051 | 74% |
Reaction Steps
The title compound was synthesized in analogy to example 1, intermediate 1 a), from 1H-indole-2,5-dicarboxylic acid 2-ethyl ester, O-(benzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium tetrafluoroborate (commercially available), 1-cyclopentylpiperazine (commercially available) and N,N-diisopropylethylamine in N,N-dimethylformamide, to give the desired product as a light brown solid (74%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07601711B2 |
| Source dataset | uspto-grants-2009_10 |
| ORD ID | ord-f4947f9e216c4853a3075f0708e3fab9 |
| Source note | uspto-grants-2009_10 |