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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1157747Generated: October 30, 2026

Methanol → 1-[4-fluoro-7-(3-methylpyrazol-1-yl)-1H-pyrrolo[2,3-c]pyridin-3-yl]-2-[4-(1-phenyltetrazol-5-yl)piperazin-1-yl]ethane-1,2-dione

https://huagongshe.com/reaction/1157747

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantPotassium CarbonateHCID 11430—
Reactant1-(7-bromo-4-fluoro-1H-pyrrolo[2,3-c]pyridin-3-yl)-2-(4-(1-phenyl-1H-tetrazol-5-yl)piperazin-1-yl)ethane-1,2-dioneHCID 59511305—
ReactantHCID 178428694HCID 178428694—
CatalystCopperHCID 23978—
SolventN-methyl-2-pyrrolidoneHCID 13387—
Product1-[4-fluoro-7-(3-methylpyrazol-1-yl)-1H-pyrrolo[2,3-c]pyridin-3-yl]-2-[4-(1-phenyltetrazol-5-yl)piperazin-1-yl]ethane-1,2-dioneHCID 2487525613.8%

Reaction Conditions

Temperature160 °C

Reaction Steps

A mixture of 1-(7-bromo-4-fluoro-1H-pyrrolo[2,3-c]pyridin-3-yl)-2-(4-(1-phenyl-1H-tetrazol-5-yl)piperazin-1-yl)ethane-1,2-dione (50 mg, 0.1 mmol), potassium carbonate (13 mg, 0.1 mmol), copper (6.0 mg, 0.1 mmol) and 3-methylpyrazole (32 uL, 0.4 mmol) in N-methylpyrrolidinone (0.5 mL) was heated at 160° C. for 6 h. MeOH (3 mL) was added and the solution was filtered through Celite. Solvent was removed in vacuum and residue was dissolved in DMF and purified using reverse phase prep HPLC to afford 1-(4-fluoro-7-(3-methyl-1H-pyrazol-1-yl)-1H-pyrrolo[2,3-c]pyridin-3-yl)-2-(4-(1-phenyl-1H-tetrazol-5-yl)piperazin-1-yl)ethane-1,2-dione (6.9 mg) as a white solid; 1HNMR (500 MHz, CDCl3) δ 8.46 (d, J=2 Hz, 1H), 8.19 (s, 1H), 8.93 (d, J=2.0 Hz, 1H), 7.55-7.50 (m, 5H), 6.25 (d, J=2.0 Hz, 1H), 3.78 (m, 2H), 3.56 (m, 2H), 3.35 (m, 2H), 3.25 (m, 2H), 2.36 (s, 3H). LCMS: m/e 501 (M+H)+, ret time 2.34 min (method 2) and 1-(4-fluoro-7-(5-methyl-1H-pyrazol-1-yl)-1H-pyrrolo[2,3-c]pyridin-3-yl)-2-(4-(1-phenyl-1H-tetrazol-5-yl)piperazin-1-yl)ethane-1,2-dione (13.7 mg); 1HNMR (500 MHz, CDCl3) δ 8.25 (m, 1H), 8.08 (bs, 1H), 7.65 (m, 1H), 7.60 (m, 5H), 6.27 (m, 1H), 3.87 (m, 2H), 3.66 (m, 2H), 3.46 (m, 2H), 3.36 (m, 2H), 2.83 (s, 3H). LCMS: m/e 501 (M+H)+, ret time 2.34 min (method 2).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07807676B2
Source datasetuspto-grants-2010_10
ORD IDord-de2d20624a34429199c39e89b48d008f
Source noteuspto-grants-2010_10