Lange Yakubu Saleh, B. Altıntaş, Layla Filiciotto
Dec 17, 2021
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Abstract
The highly efficient cycloaddition reaction of hydrazonyl chlorides with 2,3-dichloro-1,4-naphthoquinone yielded pharmaceutically important spiro-naphthalene-1,2'-[1,3,4]oxadiazol-4-ones with moderate to good yields under batch and flow synthesis methods. The obtained products were elucidated by IR, 1H NMR, 13C NMR, HRMS and single crystal X-ray diffraction technique (only for 6h). The synthesized molecules have been subjected to theoretical analysis by quantum chemical calculations at B3LYP/6-31G(d,p) level, which provided supporting data for the experimental findings.