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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2113591Generated: October 30, 2026

Tetrahydrofuran → HCID 86609509, compound

https://huagongshe.com/reaction/2113591

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
Reactant4-(3-Chloro-4-fluorophenylamino)-6-fluoro-1,7-naphthyridine-3-carbonitrileHCID 18548953—
ProductHCID 86609509HCID 8660950918.9%

Reaction Conditions

Temperature140 °C

Reaction Steps

Following the procedure described above in Example 51, 4-(3-Chloro-4-fluoro-phenylamino)-6-fluoro-[1,7]naphthyridine-3-carbonitrile (0.10 g, 0.32 mmol) was reacted with (1R, 2S)-(−) norephdrine (0.96 g, 6.32 mmol) in 2 mL of THF. The reaction mixture was heated up in a sealed vial in a microwave reactor at 140° C. for 105 min. The crude product was purified by preparative HPLC and lyophilized to give a fluffy, yellow solid (26.7 mg, 18.9% yield): 1H NMR (400 MHz, DMSO-D6) δ ppm 1.09 (d, J=6.32 Hz, 3 H) 3.94-4.06 (m, 1 H) 4.73 (t, J=4.80 Hz, 1 H) 5.52 (d, J=4.29 Hz, 1 H) 6.49 (d, J=9.35 Hz, 1 H) 6.98 (s, 1 H) 7.18 (t, J=7.20 Hz, 1 H) 7.22-7.51 (m, 6 H) 7.58 (d, J=4.29 Hz, 1 H) 8.25 (s, 1 H) 8.81 (s, 1 H) 9.60 (s, 1 H); HRMS (ESI+) calcd for C24H19ClFN5O 448.13349, found (MH+) 448.1334.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07432279B2
Source datasetuspto-grants-2008_10
ORD IDord-c78144b995764b01a8683ed62fb099f9
Source noteuspto-grants-2008_10