issue contents
January 2023 issue
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Cover illustration: Electron-deficient conjugated oligomers are interesting as electron-transporting materials in organic electronics. The combination of rigid segments with flexible side chains may cause mesomorphism. 2,5-Bis[5-(3,5-didodecyloxyphenyl)-1,3,4-oxadiazol-2-yl]-3,6-dimethylpyrazine was prepared via twofold acylation of the dialkoxyphenyl-tetrazole with a pyrazinedicarboxylic acid dichloride and thermal ring transformation. The nearly planar molecule is centrosymmetric with two all-s-trans chains, the other two chains have an s-cis unit starting with the oxygen atoms. Alternating all-trans chains and those with the s-cis unit are interdigitated. See: Joa, Schollmeyer & Detert [IUCrData (2023). 8, x230034].
inorganic compounds
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metal-organic compounds
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organic compounds
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