In a previous publication,'the synthesis of 5-alkoxymethylenerhodanines from rhodanines and alkyl orthoformates and their reaction with rhodanines were reported. At about the same time, Knott2 published independently his work on the preparation of 5-1'- alkoxyalkylidenerhodanines by a similar meth~ d.~ In his article the reaction of 3-allyl-and 3- carbethoxymethyl-5-1'-alkoxyalkylidenerhodanines with ammonia, primary and secondary ...
![3-ETHYL-5-[(PHENYLAMINO)METHYLENE]-2-THIOXO-4-THIAZOLIDINONE Structure](https://image.chemsrc.com/caspic/491/39542-83-1.png)