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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 894902Generated: October 25, 2026

Chloroquine → Dapsone

https://huagongshe.com/reaction/894902

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChloroquineHCID 2719—
ReactantMefloquineHCID 4046—
ReactantPrimaquineHCID 4908—
ReactantPyrimethamineHCID 4993—
ReactantCycloguanilHCID 9049—
ReactantSulfadoxineHCID 17134—
ReactantFloxacrineHCID 68708—
ReactantQuinineHCID 3034034—
ProductDapsoneHCID 2955—

Reaction Steps

Depending on the type of the second antimalarial used with the tetrahydroacridones, the preferred proportions by weight used vary. When using Floxacrine in admixture with Quinine, a ratio of 1:10 to 1:160, in particular from 1:40 to 1:80; in admixture with Chloroquine from 4:1 to 1:20, in particular 2:1 to 1:8; in admixture with Mefloquine from 1:1.25 to 1:10; in admixture with Primaquine from 1:1.25 to 1:20, in particular 1:2.5 to 1:20; in admixture with Pyrimethamine from 21:1 to 1:1.5, in particular 10.4:1 to 1:1.5; in admixture with Cycloguanil from 1:35 to 1:284, in particular 1:142 to 1:284; in admixture with Trimethroprim from 1:10 to 1:80, in particular 1:40 to 1:80, in admixture with Sulfadoxine from 1:1 to 1:32, in particular 1:1 to 1:6; in admixture with Dapsone from 1:5 to 1:80, in particular 1:10 to 1:80, the best synergistic was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04284627
Source datasetuspto-grants-1981_08
ORD IDord-3c822937f83f454ebc4d6fc07a5adf09
Source noteuspto-grants-1981_08