Diazinanes or hexahydrodiazines are a class of nitrogen-containing

heterocycle A heterocyclic compound or ring structure is a cyclic compound that has atoms of at least two different elements as members of its ring(s). Heterocyclic organic chemistry is the branch of organic chemistry dealing with the synthesis, proper ...

s consisting of a saturated four-carbon, two-nitrogen ring. They exist in three

isomer In chemistry, isomers are molecules or polyatomic ions with identical molecular formula – that is, the same number of atoms of each element (chemistry), element – but distinct arrangements of atoms in space. ''Isomerism'' refers to the exi ...

ic forms depending on the relative position of the two nitrogen atoms, with 1,4-diazinanes being common.

Structure

The diazinanes have six-membered

cyclohexane Cyclohexane is a cycloalkane with the molecular formula . Cyclohexane is non-polar. Cyclohexane is a colourless, flammable liquid with a distinctive detergent-like odor, reminiscent of cleaning products (in which it is sometimes used). Cyclohexan ...

-like ring but with two carbon atoms replaced by nitrogen atoms. The three isomers of triazinane are distinguished by the positions of their nitrogen

atoms Atoms are the basic particles of the chemical elements. An atom consists of a nucleus of protons and generally neutrons, surrounded by an electromagnetically bound swarm of electrons. The chemical elements are distinguished from each other ...

, and are referred to as 1,2-diazinane, 1,3-diazinane, and 1,4-diazinane (more commonly called

piperazine Piperazine () is an organic compound with the formula . In term of its structure, it can be described as cyclohexane with the 1- and 4-CH2 groups replaced by NH. Piperazine exists as deliquescent solid with a saline taste. Piperazine is freely sol ...

References

* ''Heterocyclic Chemistry'' T.L. Gilchrist 1985 (1997: )

Structure

References

See also