Addition Compounds of Nucleophiles and 3-Ethylthio-6-oxo-6H-1,2-dithiolo1,2-dithiolium Tetrafluoroborate. Synthesis of 3H,6H-1,2-Dithiolo1,2-dithiole-3-one-6-thione

Article abstract of DOI:10.1007/BF00815167

A smooth method of synthesizing 3H,6H-1,2-dithiolo<4,3-c>1,2-dithiole-3,6-dithione (3),and also its partial desulfuration to yield 3H,6H-1,2-dithiolo<4,3-c>1,2-dithiole-3-one-6-thione (4) is presented.The ethylation product 5 of the monothione 4 reacts wi