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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1025532Generated: October 30, 2026

Ethylamine → HCID 49773783, compound

https://huagongshe.com/reaction/1025532

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthylamineHCID 6341—
ReactantDiisopropylethylamineHCID 81531—
ReactantPyBOPHCID 2724699—
ReactantHCID 178514715HCID 178514715—
SolventDimethylformamideHCID 6228—
ProductHCID 49773783HCID 4977378352.8%

Reaction Steps

4-{[6-(4-Fluoro-phenyl)-4-hydroxy-pyrido[3,2-d]pyrimidin-2-ylamino]-methyl}-benzenesulfonamide (100 mg, 0.23 mmol) and PyBOP (119 mg, 0.23 mmol) were taken up in DMF (2 mL) and DIEA (0.07 mL, 0.46 mmol) was added, followed by ethylamine (2.0M in THF) (0.115 mL, 0.23 mmol) This solution was stirred at room temperature overnight. The DMF was removed in vacuo and the residue diluted with ethyl acetate (2 mL) and washed with water and brine. The organic layer was dried over sodium sulfate and concentrated to afford an oily residue. The residue was purified by RP HPLC using a C18 column with a 0-60% gradient of 0.1% TFA-H2O/0.1% TFA-acetonitrile to afford 55 mg (52%) of Example 297. MS (m/z) 453.4 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08729089B2
Source datasetuspto-grants-2014_05
ORD IDord-8f0b95c09b91496fa38c88e3b073625e
Source noteuspto-grants-2014_05