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Crystal structures of the Schiff base derivatives (E)-N'-[(1H-indol-3-yl)methyl-idene]isonicotino-hydrazide ethanol monosolvate and (E)-N-methyl-2-[1-(2-oxo-2H-chromen-3-yl)ethyl-idene]hydrazinecarbo-thio-amide.

ABSTRACT: The crystal structures of two title Schiff base derivatives, C15H12N4O·C2H6O (1·EtOH) and C13H13N3O2S (2), were determined at 110 and 100?K, respectively. In the crystal of compound 1·EtOH, the (E)-N'-[(1H-indol-3-yl)methyl-idene]isonicotinohydrazide and ethanol mol-ecules are linked by O-H?O, N-H?O and N-H?N hydrogen bonds, forming a tape structure running along the b-axis direction. The tapes are weakly linked via a C-H?N inter-action. In the crystal of compound 2, (E)-N-methyl-2-[1-(2-oxo-2H-chromen-3-yl)ethyl-idene]hydrazinecarbo-thio-amide mol-ecules are linked via N-H?O and C-H?O hydrogen bonds, forming a helical chain along the b-axis direction. The chains are further linked into a layer expanding parallel to (102) through C-H?S inter-actions.

SUBMITTER: Saranya S 

PROVIDER: S-EPMC5382629 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature

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Crystal structures of the Schiff base derivatives (<i>E</i>)-<i>N</i>'-[(1<i>H</i>-indol-3-yl)methyl-idene]isonicotino-hydrazide ethanol monosolvate and (<i>E</i>)-<i>N</i>-methyl-2-[1-(2-oxo-2<i>H</i>-chromen-3-yl)ethyl-idene]hydrazinecarbo-thio-amide.

Saranya Sivaraj S   Haribabu Jebiti J   Bhuvanesh Nattamai S P NSP   Karvembu Ramasamy R   Gayathri Dasararaju D  

Acta crystallographica. Section E, Crystallographic communications 20170324 Pt 4

The crystal structures of two title Schiff base derivatives, C<sub>15</sub>H<sub>12</sub>N<sub>4</sub>O·C<sub>2</sub>H<sub>6</sub>O (<b>1·EtOH</b>) and C<sub>13</sub>H<sub>13</sub>N<sub>3</sub>O<sub>2</sub>S (<b>2</b>), were determined at 110 and 100 K, respectively. In the crystal of compound <b>1·EtOH</b>, the (<i>E</i>)-<i>N</i>'-[(1<i>H</i>-indol-3-yl)methyl-idene]isonicotinohydrazide and ethanol mol-ecules are linked by O-H⋯O, N-H⋯O and N-H⋯N hydrogen bonds, forming a tape structure running  ...[more]

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