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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 605914Generated: October 26, 2026

5-Bromofuran-3-carboxamide → [5-(4-Carbamoyl-furan-2-yl)-[1,2,4]triazolo[1,5-a]pyrazin-8-yl]-(4-morpholin-4-yl-phenyl)-carbamic acid tert-butyl ester

https://huagongshe.com/reaction/605914

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Bromofuran-3-carboxamideHCID 10821494—
Reactant(4-Morpholin-4-yl-phenyl)-(5-tributylstannanyl-[1,2,4]triazolo[1,5-a]pyrazin-8-yl)-carbamic acid tert-butyl esterHCID 67047357—
CatalystHCID 178418397HCID 178418397—
SolventDimethylformamideHCID 6228—
ProductAmmoniaHCID 222—
Product[5-(4-Carbamoyl-furan-2-yl)-[1,2,4]triazolo[1,5-a]pyrazin-8-yl]-(4-morpholin-4-yl-phenyl)-carbamic acid tert-butyl esterHCID 6704732265.6%

Reaction Steps

This compound may be prepared using methods as described for Compound 35, step 3 using (4-morpholin-4-yl-phenyl)-(5-tributylstannanyl-[1,2,4]triazolo[1,5-a]pyrazin-8-yl)-carbamic acid tert-butyl ester (137 mg, 0.199 mmol), 5-bromo-furan-3-carboxamide (76 mg, 0.4 mmol) and Pd(PPh3)4 (23 mg, 0.020 mmol) in DMF (1 mL). Purification of the reaction mixture eluting with 98:2 DCM:MeOH and 96:4 DCM:NH3 (7M in MeOH) affords the title compound (33 mg, 33%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07915256B2
Source datasetuspto-grants-2011_03
ORD IDord-615819af61494192a9207777be2a744c
Source noteuspto-grants-2011_03