Dithiole and Dithiolium Systems

The reaction of 1‐cyanomethylpyridinium chloride or bromide, 1a‐i, with 1,1‐bis(methylthio)‐2‐nitroethylene (2) in the presence of triethylamine as a base in ethanol gave the corresponding 2‐methylthioindolizine‐3‐carbonitrile 3 and 2‐methyl‐thio‐1‐nitroindolizine‐3‐carbonitrile 4 in good yields, respectively. Compounds 3a,f were key intermediates for the synthesis of cycl[3.2.2]azine derivatives.

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Dithiole and Dithiolium Systems

Cited by 9 publications

References 86 publications

ChemInform Abstract: DITHIOLE AND DITHIOLIUM SYSTEMS

ChemInform Abstract: DITHIOLE AND DITHIOLIUM SYSTEMS

1,3‐Dioxolium‐, 1,3‐dithiolium‐ und 1,3‐diselenolium‐ionen ‐ aromatische strukturen oder durch heteroatome stabilisierte carbeniumionen?

Synthesis of 2‐methylthioindolizine‐3‐carbonitriles using nitro ketene dithioacetal

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