HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sodium Carbonate → tert-butyl 4-(4-(3-(1-(3-fluorobenzyl)-1H-pyrazol-4-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)-2-nitrophenyl)piperazine-1-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sodium Carbonate | HCID 10340 | — |
| Reactant | 1-(3-fluorobenzyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole | HCID 69132726 | — |
| Reactant | tert-butyl 4-(4-(3-iodo-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)-2-nitrophenyl)piperazine-1-carboxylate | HCID 90031353 | — |
| Catalyst | Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+) | HCID 178418228 | — |
| Solvent | Ethanol toluene water | HCID 86587398 | — |
| Product | tert-butyl 4-(4-(3-(1-(3-fluorobenzyl)-1H-pyrazol-4-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)-2-nitrophenyl)piperazine-1-carboxylate | HCID 90030997 | 33.05% |
Reaction Steps
Using similar reaction conditions as described in step-i of example-1, tert-butyl 4-(4-(3-iodo-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)-2-nitrophenyl)piperazine-1-carboxylate (intermediate 66J) (340 mg, 0.48 mmol) was coupled with 1-(3-fluorobenzyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (intermediate 11) (189 mg, 0.628 mmol) using Pd(dppf)Cl2 (18 mg, 0.024 mol) and sodium carbonate (152 mg, 1.44 mmol) in toluene/ethanol/water (20/10/5 ml) to afford 120 mg (33.05% yield) of the titled. MS: m/z=752.2 (M+1).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09353107B2 |
| Source dataset | uspto-grants-2016_05 |
| ORD ID | ord-216852020d814af5a6c583ff6563ca86 |
| Source note | uspto-grants-2016_05 |