Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 20696Generated: October 25, 2026

Dimethylamine → 4-(3,5-dichloropyridin-4-ylamino)-8-(7-(dimethylamino)heptyloxy)-7-methoxy-2H-chromen-2-one

https://huagongshe.com/reaction/20696

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylamineHCID 674—
Reactant1,7-DibromoheptaneHCID 78309—
Reactant4-(3,5-dichloropyridin-4-ylamino)-8-hydroxy-7-methoxy-2H-chromen-2-oneHCID 24849570—
Product4-(3,5-dichloropyridin-4-ylamino)-8-(7-(dimethylamino)heptyloxy)-7-methoxy-2H-chromen-2-oneHCID 24849256—

Reaction Steps

The title compound was prepared from dimethylamine, 1,7-dibromoheptane, and 4-(3,5-dichloropyridin-4-ylamino)-8-hydroxy-7-methoxy-2H-chromen-2-one (Example 29) following the procedures outlined in Examples 25 & 27. 1H NMR (400 MHz, DMSO-d6): δ 9.38 (br s, 1H), 8.58 (s, 2H), 7.85 (d, 1H), 7.05 (d, 1H), 4.26 (br s, 1H), 3.96 (t, 2H), 3.87 (s, 3H), 2.51 (br, 2H), 2.35 (s, 6H), 1.67 (m, 2H), 1.46 (m, 4H), 1.30 (m, 4H); MS (ESI): 493.9.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07745646B2
Source datasetuspto-grants-2010_06
ORD IDord-c353dfc6688d4b1f936f032200b1b169
Source noteuspto-grants-2010_06