Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Sodium Carbonate | HCID 10340 | — |
| Reactant | 4-(4-BOC-Piperazino)phenylboronic acid | HCID 5233014 | — |
| Reactant | HCID 44403029 | HCID 44403029 | — |
| Catalyst | Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+) | HCID 178418228 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 86594554 | HCID 86594554 | — |
Reaction Steps
To (2S)-2-[(4-bromobenzyl)amino]-N-(cyanomethyl)-4-methylpentanamide (285 mg, 0.843 mmol) and 4-[4-(tert-butoxycarbonyl)-1-piperazinyl]phenylboronic acid (315 mg, 1.02 mmol) in DMF (10 mL) under dry nitrogen was added aqueous sodium carbonate (2 M, 1.3 mL, 2.53 mmol) followed by the catalyst PdCl2(dppf) (25 mg, 0.026 mmol). The reaction was heated to 95° C. for 0.5 hours and more PdCl2(dppf) (25 mg, 0.026 mmol) was added and the reaction mixture was heated overnight. Water was added and the product extracted with ether (2×), dried over Na2SO4, concentrated in vacuo, and purified by flash chromatography over silica gel (EtOAc/Hex, 4/6) to afford tert-butyl 4-(4′-{[((1S)-1-{[(cyanomethyl)amino]carbonyl}-3-methylbutyl)amino]methyl}[1,1′-biphenyl]-4-yl)-1-piperazinecarboxylate.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US07012075B2 |
|---|
| Source dataset | uspto-grants-2006_03 |
|---|
| ORD ID | ord-4fac6f9dacb34f3ba119454af9ca403c |
|---|
| Source note | uspto-grants-2006_03 |
|---|
