Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2107211Generated: November 1, 2026

Ammonia → 5-(2-Ethylaminothiazol-4-ylmethylene)rhodanine-3-acetic acid

https://huagongshe.com/reaction/2107211

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
ReactantAmmonium ChlorideHCID 25517—
Reactant3-Thiazolidineacetic acid, 4-oxo-2-thioxo-HCID 79793—
Reactant2-Ethylaminothiazole-4-carbaldehydeHCID 15053575—
SolventEthanolHCID 702—
Product5-(2-Ethylaminothiazol-4-ylmethylene)rhodanine-3-acetic acidHCID 5450325184.8%

Reaction Steps

The reaction described in Example 1 was repeated, but using 1.27 g of 2-ethylaminothiazole-4-carbaldehyde, 1.3 g of rhodanine-3-acetic acid, 1 g of ammonium chloride, 1 ml of 28% v/v aqueous ammonia and 30 ml of ethanol, giving 1.9 g of the title compound as yellow needles.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04933355
Source datasetuspto-grants-1990_06
ORD IDord-705d432c13bb4592be46cb1ba9cbfb2a
Source noteuspto-grants-1990_06