4,5‐Dihydro‐5‐thioxo‐]H‐tetrazoie‐l‐alkanoic and alkanesulfonic acids and their amide derivatives

1978 
Homologous 4,5-dihydro-5-thioxo-1H-tetrazole-l-alkanoic and alkanesulfonic acids were prepared by reaction of sodium azide with methyl (carboxyalkyl)- and (sulfoalkyl) carbamodithioates, respectively. 4,5-Dihydro-5-thioxo-1H-tetrazole-i-alkanamides were derived from the corresponding alkanoic acids by aminolysis of their acid chlorides or imidazolides. Analogous alkane-sulfonamides were synthesized by the reaction of methyl [[[(1,1-dimethylethyl) amino]sulfonyl]-alkyljcarbamodithioates with sodium azide followed by removal of the 1,1-dimethylethyl group with trifluoroacetic acid.
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