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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2236595Generated: October 26, 2026

Diethyl Ether → HCID 178518268, compound

https://huagongshe.com/reaction/2236595

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethyl EtherHCID 3283—
Reactant3-PyridinemethanamineHCID 31018—
Reactant(E)-6-bromo-4-(methoxymethylene)isoquinoline-1,3(2H,4H)-dioneHCID 68692760—
SolventDimethylformamideHCID 6228—
ProductHCID 178518268HCID 17851826863.2%

Reaction Conditions

Temperature60 °C

Reaction Steps

To a solution of (4E)-6-bromo-4-(methoxymethylene)isoquinoline-1,3(2H,4H)-dione (0.2 g, 0.71 mmol) in N,N′-dimethylformamide is added 3-(aminomethyl)pyridine (0.073 mL, 0.71 mmol). The reaction mixture is heated at 60° C. under N2. After reaction is completed, diethyl ether is added, and the red precipitate is isolated and washed with methanol, ether, and hexane respectively to afford 0.16 g (63.2% yield) of orange solid: mp 299-300° C.; 1H NMR (DMSO-d6) δ 11.09 (s, 1H), 10.69 (m, 1H), 8.74 (d, J=9 Hz, 1H), 8.63 (s, 1H), 8.52 (d, J=3 Hz, 1H), 8.10 (s, 1H), 7.84 (m, 2H), 7.42 (m, 1H), 7.31 (d, J=9 Hz, 1H), 3.40 (d, J=4.8 Hz, 2H); MS (ESI) m/z 355.7 and 357.7 (M−H)−1, Analysis for C16H12BrN3O2, Calcd: C, 53.70; H, 3.38; N, 11.70. Found: C, 53.45; H, 3.23; N, 11.74.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07713994B2
Source datasetuspto-grants-2010_05
ORD IDord-29aa4e34a0a0475b97e9dabe253e2057
Source noteuspto-grants-2010_05