Tautomerism in N-heterocycles. Part 3. 3,4,5-Trimercaptopyridazine
Abstract
A number of N- and S-methyl derivatives of 3,4,5-trimercaptopyridazine have been prepared, and ionization constants and u.v. spectra determined. These studies reveal that 3,4,5-trimercaptopyridazine exists in an N(2)H tautomeric form. Some oxygen analogues have also been synthesised.
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