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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 449463Generated: October 26, 2026

Ammonia → 5-{2-[7-[2-amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-3,4-dihydroisoquinolin-2(1H)-yl]-2-oxoethyl}nicotinonitrile

https://huagongshe.com/reaction/449463

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
ReactantN-methyl-2-pyrrolidoneHCID 13387—
Reactant4-[2-[(5-Bromopyridin-3-yl)acetyl]-1,2,3,4-tetrahydroisoquinolin-7-yl]-6-(4-methylpiperazin-1-yl)pyrimidin-2-amineHCID 59496534—
CatalystZinc cyanide (Zn(CN)2)HCID 11186—
CatalystZincHCID 23994—
CatalystHCID 178418851HCID 178418851—
Product5-{2-[7-[2-amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-3,4-dihydroisoquinolin-2(1H)-yl]-2-oxoethyl}nicotinonitrileHCID 59496727—

Reaction Conditions

Temperature135 °C

Reaction Steps

A degassed mixture of 4-{2-[(5-bromopyridin-3-yl)acetyl]-1,2,3,4-tetrahydroisoquinolin-7-yl}-6-(4-methylpiperazin-1-yl)pyrimidin-2-amine (20 mg, 0.04 mmol), zinc cyanide (7 mg, 0.06 mmol), bis(tri-t-butylphosphine)palladium (1 mg, 0.002 mmol) and zinc (0.4 mg, 0.006 mmol) powder in anhydrous N-methylpyrrolidinone (0.1 mL, 1 mmol) was heated at 135° C. for 18 h. The mixture was adjusted to pH=10 with aqueous NH3, filtered, washed with MeOH, and purified by RP-LCMS (pH=10) to afford the desire product. Analytic LCMS (M+H)+: m/z=469.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08481732B2
Source datasetuspto-grants-2013_07
ORD IDord-11ba0b510713488cafb490a415d4b64e
Source noteuspto-grants-2013_07