Synthesis and structural studies of acyl hydrazone derivatives having tetrahydrocarbazole moiety

• 17 new acyl hydrazone compounds having tetrahydrocarbazole moiety were synthesized.
• Structures and physical properties of the hybrid compounds were elucidated.
• Conformational analysis were made by means of DFT calculations.

Seventeen new compounds having tetrahydrocarbazole moiety were synthesized by condensation of tetrahydrocarbazole hydrazide with aromatic aldehydes. The structures and physical properties of these hybrid compounds were elucidated by IR, 1H NMR, APT-NMR and mass spectroscopy. In addition, to gain more insight into conformational structures and energetics of the compounds, DFT calculations at B3LYP/6-311++G(d,p) level in DMSO were performed on a selected compound from the series.

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