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ISSN: 2414-3146

October 2022 issue

Highlighted illustration

Cover illustration: The structure of 4,5-diferrocenyl-1,2-di­thiole-3-thione at 130 K has monoclinic (P21/c) symmetry. The molecule has two ferrocenyl units attached to a 1,2-di­thiole-3-thione moiety. It is of inter­est with respect to the question of whether the introduction of ferrocenyl substituents into biologically active mol­ecules offers the potential to obtain more efficacious therapeutic drugs. See: Sánchez-García, Flores-Alamo, Nuñez-Gordillo, & Klimova [IUCrData (2022). 7, x221011].

metal-organic compounds


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The structure of 4,5-diferrocenyl-1,2-di­thiole-3-thione at 130 K has monoclinic (P21/c) symmetry. The compound has two ferrocenyl units attached to a 1,2-di­thiole-3-thione moiety. In the crystal array, there are inter­molecular contacts of the C—H⋯S and S—π(C–C) types.

organic compounds


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The mol­ecule of the title compound is almost planar but with a dihedral angle between the two phenyl rings of 19.22 (5)°. In the crystal, mol­ecules are linked by C—H⋯O inter­actions, forming sheets in the (21[\overline{1}]) plane.

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In the title structure, the ethidium cations show a planar structure without dimerization.

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The title compound was synthesized from de­oxy­cholic acid followed by a protection, a Mitsonobu substitution, a Staudinger reduction, formation of an amide and final reduction in the lateral chain.

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The structure of 5-(4-fluoro­phen­yl)-1-[5-(4-methyl­phen­yl)thia­zol-2-yl]-3-[4-(prop-2-yn­yloxy)phen­yl]-4,5-di­hydro-1H-pyrazole was determined by X-ray crystallography.

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The title salt contains two cations and two anions in the asymmetric unit.
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