HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sodium Carbonate → tert-butyl 4-(5-(3-(1-(3-fluorobenzyl)-5-methyl-1H-pyrazol-4-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)pyridin-2-yl)piperazine-1-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sodium Carbonate | HCID 10340 | — |
| Reactant | 1-(3-fluorobenzyl)-3-methyl-4-(4,4,5,5-tetramethyl-1,3-dioxolan-2-yl)-1H-pyrazole | HCID 90030843 | — |
| Reactant | tert-butyl 4-(5-(3-iodo-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)pyridin-2-yl)piperazine-1-carboxylate | HCID 118523942 | — |
| 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-(5-(3-(1-(3-fluorobenzyl)-5-methyl-1H-pyrazol-4-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)pyridin-2-yl)piperazine-1-carboxylate | HCID 118523983 | — |
Reaction Steps
Using similar reaction conditions as described in step-i of example-1, tert-butyl 4-(5-(3-iodo-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)pyridin-2-yl)piperazine-1-carboxylate (Intermediate 66K) (200 mg, 0.303 mmol) was coupled with 1-(3-fluorobenzyl)-3-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (intermediate 12) (116 mg, 0.363 mmol) using sodium carbonate (96 mg, 0.909 mmol) and Pd(dppf)Cl2 (11 mg, 0.015 mmol) in toluene/ethanol/water (10/10/1 mL) to afford 250 mg (crude) of the titled compound after purification by column (Silica gel 60/120) using 50% ethyl acetate in hexane as eluent. MS: m/z=722.5 (M+1).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09353107B2 |
| Source dataset | uspto-grants-2016_05 |
| ORD ID | ord-17ae76c6d55f47599c251306628c2513 |
| Source note | uspto-grants-2016_05 |