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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 388671Generated: October 27, 2026

Malonic Acid → 2,4-Dichloro-7-methoxy-8-methylquinoline

https://huagongshe.com/reaction/388671

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMalonic AcidHCID 867—
Reactant2,4,8-Trichloro-7-methoxyquinolineHCID 2794516—
Reactant3-Methoxy-2-methylaniline hydrochlorideHCID 52911138—
Product2,4-Dichloro-7-methoxy-8-methylquinolineHCID 5340095443%

Reaction Steps

2,4-Dichloro-8-methyl-7-methoxyquinoline 220b was synthesized from 2-methyl-3-methoxyaniline hydrochloride 215b and malonic acid as a white powder in 43% yield, following the procedure as described for compound 220d. 1H NMR (CDCl3, 376 MHz) δ (ppm) 2.62 (s, 3H), 4.03 (s, 3H), 7.34 (s, 1H), 7.37 (d, J=9.02 Hz, 1H), 8.05 (d, J=9.02 Hz, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08377962B2
Source datasetuspto-grants-2013_02
ORD IDord-772484c6a476407ea7dcbbdcdfcf423a
Source noteuspto-grants-2013_02