AL-Johani, Majdah A.Al-Zaydi, Khadijah M.Mousally, Sameera M.Alqahtani, Norah F.Elnagdi, Noha HilmyElnagdi, Mohamed H.2019-11-212019-11-2120171420-3049https://doi.org/10.3390/molecules22122114https://www.mdpi.com/1420-3049/22/12/2114Accession Number: WOS:000419242400083Efficient synthesis of phenanthridin-6(5H)-one derivatives 12a-n in a four-component reaction of aldehyde hydrazone, aromatic aldehydes and malononitrile in Q-Tubes is reported. The results showed that the methodology has the advantage of being a one-pot synthesis of tricyclic systems in good yields. Potential routes leading to formation of compounds 12 are discussed. The structures of the synthesized compounds could be unequivocally established via X-ray crystal structure determination and spectroscopic methods.enUniversity of MICROWAVE-ASSISTED SYNTHESISONE-POT SYNTHESISROUTEX-ray crystallographyArylhydrazonalsPropenetricarbonitrileMulti Component Reactions under Increased Pressure: On the Mechanism of Formation of Pyridazino[5,4,3-de][1,6]naphthyridine Derivatives by the Reaction of Malononitrile, Aldehydes and 2-Oxoglyoxalarylhydrazones in Q-TubesArticlehttps://doi.org/10.3390/molecules22122114