Acetoacetylferrocene reacted with benzidine and 4,4′‐diaminodiphenylmethane in absolute ethanol to give the diketoimines 2a–b in high yields. Determined by X‐ray structure analysis, 2a crystallized in monoclinic crystal system—space group P21/c with cell parameters: a=10.8595(2), b=12.4095(2), c=12.2021(2) Å, β=97.6390(10), Z=2, V=1631.10(5) Å3. The unit cell contains two independent molecules to form helical crystal structure stabilized by hydrogen bond interactions with helical angle is 39.3°.
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Related Research Data
CCDC 609640: Experimental Crystal Structure Determination
Source:
Cambridge Crystallographic Data Centre
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