In the title compound, C(15)H(17)ClO(3)S, the cyclo-hexyl ring adopts a chair conformation. In the crystal, mol-ecules are linked through weak inter-molecular C-H⋯O and C-H⋯π inter-actions.

In the title compound, C(16)H(19)BrO(3)S, the cyclo-hexyl ring adopts a chair conformation. In the crystal, mol-ecules are linked through weak C-H⋯O hydrogen bonds and Br⋯O contacts [3.211 (1) Å].

The title compound, C(13)H(19)NO(2)S, was synthesized by the reaction of N-cyclo-hexyl-amine-benzene-sulfonamide and methyl iodide. The crystal packing is stabilized by weak inter-molecular C-H⋯O hydrogen bonds.

Treatment of N,N-bis-(pyridin-4-ylmeth-yl)cyclo-hexane-1,4-di-amine with hydro-chloric acid in ethanol led to the formation of the title salt, C18H26N42+·2Cl-·2H2O, which lies about a crystallographic inversion center at the center of the cyclo-hexyl ring. The asymmetric unit therefore comprises one half of the N,N-bis-(pyridin-4-ylmeth-yl)cyclo-hexane-1,4-di-ammonium dication, a chloride anion...

We report here the synthesis of three novel pi-conjugated heterocyclic mixed trimers that contain two electron-donating 3,4-ethylenedioxy-2-thienyl (EDOT) units covalently attached to a central proquinoid electron-accepting thienopyrazine moiety (two of these narrow-HOMO-LUMO gap D-A-D compounds also bear hexyl side chains attached either to the outermost alpha positions of the EDOT end rings o...

The use of silicon nanoparticles for laser desorption/ionization (LDI) is a new appealing matrix-less approach for the selective and sensitive mass spectrometry of small molecules in MALDI instruments. Chemically modified silicon nanoparticles (30nm) were previously found to require very low laser fluence in order to induce efficient LDI, which raised the question of internal energy deposition ...

In the crystal structure of title compound, C(14)H(16)ClNO(2), the cyclo-hexyl ring is in a chair conformation. The molecules are connected into centrosymmetric dimers via weak C-H⋯O hydrogen bonds.

The mol-ecule of the title compound, C(30)H(46), has a crystallographically imposed inversion center and the cyclo-hexyl groups are oriented with their methine H atoms pointing towards one another (H⋯H = 2.04 Å).

In the crystal structure of title compound, C(14)H(17)Cl(2)NO(2), the cyclo-hexyl ring is in a chair conformation and the mol-ecules are connected via N-H⋯O hydrogen bonding into chains.