Triazinanes are a class of nitrogen-containing heterocycles. Triazinanes have six-membered cyclohexane-like ring but with three carbon centers replaced by nitrogen. The parent have the molecular formula (CH2)3(NH)3. Three isomeric forms are possible, but only 1,3,5-triazinanes are common. 1,3,5-triazinane is a labile intermediate in the formation of hexamethylenetetramine from ammonia and formaldehyde. Stable 1,3,5-Triorganotriazines are formed by condensation of primary amines and formaldehyde.
See also 6-membered rings with one nitrogen atom: Piperidine 6-membered rings with two nitrogen atoms: Diazinane Hexahydropyrimidine Hexahydropyridazine Triazine Borazine (borazole) Triazenes, organic compound with the formula RN=N−NR2
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