biostudies-literatureLakshmithendral KDepartment of Biotechnology , Ministry of Science and Technology1919-1922https://www.ebi.ac.uk/biostudies/studies/S-EPMC6281121biostudies-literatureUnknown74(Pt 12)The title compounds, C₁₈H₁₅N₃O₄ and C₁₇H₁₄ClN₃O₃, are heterocyclic 1,3,4-oxa-diazole derivatives which differ from each other in the groups attached to the carbon atoms: a meth-oxy-phenyl ring and a benzo-nitrile group in (I) and a chloro-phenyl ring and an acetamide group in (II). Short intra-molecular C-H⋯O hydrogen bonds occur in both mol-ecules. The crystal structure of (I) features C-H⋯N hydrogen bonds, while in the crystal structure of (II), N-H⋯N, C-H⋯N and C-H⋯O hydrogen bonds are observed.Acta crystallographica. Section E, Crystallographic communicationsCrystal structures of 3-meth-oxy-4-{[5-(4-meth-oxy-phen-yl)-1,3,4-oxa-diazol-2-yl]meth-oxy}benzo-nitrile and <i>N</i>-(4-{[5-(4-chloro-phen-yl)-1,3,4-oxa-diazol-2-yl]meth-oxy}phen-yl)acetamide.PMC6281121BT/PR16268/NER/95/183/2015Kabilan SSelvanayagam SArchana KSaravanan KLakshmithendral KfalseCrystal structures of 3-meth-oxy-4-{[5-(4-meth-oxy-phen-yl)-1,3,4-oxa-diazol-2-yl]meth-oxy}benzo-nitrile and <i>N</i>-(4-{[5-(4-chloro-phen-yl)-1,3,4-oxa-diazol-2-yl]meth-oxy}phen-yl)acetamide.The title compounds, C₁₈H₁₅N₃O₄ and C₁₇H₁₄ClN₃O₃, are heterocyclic 1,3,4-oxa-diazole derivatives which differ from each other in the groups attached to the carbon atoms: a meth-oxy-phenyl ring and a benzo-nitrile group in (I) and a chloro-phenyl ring and an acetamide group in (II). Short intra-molecular C-H⋯O hydrogen bonds occur in both mol-ecules. The crystal structure of (I) features C-H⋯N hydrogen bonds, while in the crystal structure of (II), N-H⋯N, C-H⋯N and C-H⋯O hydrogen bonds are observed.2018-01-01T00:00:00Z2018 Dec2026-07-09T12:01:30.607Z2019-03-27T00:13:26ZS-EPMC62811213057440110.1107/S2056989018016754