In this study, a one-pot reaction between β-keto esters or dialkyl acetylenedicarboxylates with hydrazines, carbon disulfide, and dialkyl acetylenedicarboxylates in the presence of triethylamine is reported. This reaction proceeded at room temperature and was completed within 6 h to produce functionalized pyrazolone-1,4-dithiafulvene hybrids in good yields.
Keywords: 1,3-Dithiole; 1,4-Dithiafulvene; 5-Pyrazolone; Hybrid molecules; One-pot reaction.
© 2022. The Author(s), under exclusive licence to Springer Nature Switzerland AG.