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What's the name of this compound? It's a semi-product of Wolff-Kishner reduction.

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The complete reaction is:

enter image description here

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The (now deleted) answer by NotCorey has already explained that the compound that is shown in the picture is a hydrazone that is derived from acetone (propan-2-one).

According to the current version of Nomenclature of Organic Chemistry – IUPAC Recommendations and Preferred Names 2013 (Blue Book), the preferred IUPAC name (PIN) for a hydrazone is generated substitutively as ‘ylidene’ derivatives of hydrazine rather than by functional class nomenclature as in previous recommendations.

P-68.3.1.2.2 Hydrazones

Compounds having the general structure $\ce{RCH=N-NH2}$ or $\ce{RR'C=N-NH2}$ are called ‘hydrazones’ and are named in two ways:

(1) substitutively as derivatives of the parent hydride ‘hydrazine’, $\ce{H2N-NH2}$;

(2) by functional class nomenclature using the class name ‘hydrazone’.

Method (1) generates preferred IUPAC names.

Therefore, the PIN for the compound that is given in the question is (propan-2-ylidene)hydrazine.

(propan-2-ylidene)hydrazine

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