The hydrazones are synthesized by a three step process from commercially available benzil and thiosemicarbazide.
Muhammad Nadeem Arshad, Aisha Bibi, Tariq Mahmood, Abdullah M. Asiri, Khurshid Ayub 2015, 'Synthesis, Crystal Structures and Spectroscopic Properties of Triazine-Based HydrazoneDerivatives; A Comparative Experimental-Theoretical Study', Moleculeshttp://www.mdpi.com/1420-3049/20/4/5851. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This convenient procedure will allow a further increase of the diversity within the benzil family.
Javad Safari, Zohre Zarnegar, Fatemeh Rahimi 2013, 'An Efficient Oxidation of Benzoins to Benzils by Manganese(II) Schiff Base ComplexesUsing Green Oxidant', Journal of Chemistryhttp://dx.doi.org/10.1155/2013/765376. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This simple method affords benzil derivatives at room temperature in short reaction times with high yield and purity.
Javad Safari, Zohre Zarnegar, Fatemeh Rahimi 2013, 'An Efficient Oxidation of Benzoins to Benzils by Manganese(II) Schiff Base ComplexesUsing Green Oxidant', Journal of Chemistryhttp://dx.doi.org/10.1155/2013/765376. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)