Hong-Bo Xu

4-Ferrocenylbenzoic Acid

Ferrocene-containing liquid crystals, non-linear optical materials and magnetic materials are of considerable interests for their high thermal stability, tunable redox characteristics and structural variability [1].[...]

Synthesis and crystal structure of mono-substituted ferrocene-containing liquid crystals

Abstract Ten mono-substituted ferrocene-containing liquid crystals, which containing Schiff base or ester group, were prepared and their mesogenic behaviors were investigated. Two molecular structures were analyzed by X-ray. 4-ferrocenylphenyl 3′-chloro-4′-(2-methylbutyloxy)-benzoate, triclinic crystal system, P1 space group, a=12.035(2)Å, b=14.402(3)Å, c=15.137(3)Å, α =103.07(3)Å, ß = 102.01(3)Å, γ = 96.70(3)Å, Z=4, 8141 independent reflections, R=0.0528, Rw=0.1724. 4-ferrocenylphenyl 3′-chloro-4′-decanyloxybenzoate, triclinic crystal system, P1 space group, a= 11.663(2)Å, b= 11.729(2)Å, c=22.005(4)Å, α=76.10(3)Å, ß =87.56(3)Å, γ = 77.89(3)Å, Z=4, 7935 independent reflections, R=0.0784, Rw=0.2265.

4-Formylphenyl 4-Ferrocenylbenzoate

Ferrocene unit is comparatively large volume and it needs a longer molecular shape in geometry in to support the liquid crystal property [1].[...]

4-Hydroxyphenyl 4-Ferrocenylbenzoate

The reaction of 4-ferrocenylbenzoyl chloride with 1,4-dihydroxybenzene gives 4-hydroxyphenyl 4-ferrocenylbenzoate, which contains a free hydroxyl group and it can be used for the synthesis of ester mono-substituted liquid crystal and hydrogen-bonded supra-molecular liquid crystals [1].[...]

(4-Formylbenzylidene)-4-ferrocenylaniline

The reaction of 4-ferrocenylaniline with 1,4-benzenedicarboxaldehyde in an equimolar ratio in dilute solution, or with a large excess of the aniline, often gives the diimine product.[...]

2-Methyl-5-chloromethyl-8-hydroxyquinoline

Quinoline and its derivatives have been widely used as metal ion chelating agents, metal extracting agents, corrosive inhibitors and they often show biological activity.[...]

Synthesis and structure of 1,4-diazabutadiene liquid crystals

Abstract Nine 1,4-diazabutadiene compounds, Ar-N=C(R)-C(R)=N-Ar, R=H, Me; Ar=H2n+1CnO-C6H4, 2,4-(H9C4O)(Me)-C6H3 were synthesized and their liquid crystal properties were studied through thermal polarizing microscopy. The X-ray single crystal structure of compound 9 (Ar-N=C(H)-C(H)=N-Ar, Ar=2,4-(Me)(H9C4O)C6H3) was tested. It is a monoclinic crystal system, space group P21/C with the unit cell parameters: a=7.0703(3)Å, b=8.6741(4)Å, c=18.3115(8)Å, β =95.392(1)˚. V=1114.57(9)Å3, z=2, Dc=1.134 Mg/m3, R=0.0490, Rw=0.1237.

1-(2-Benzylaminophenyl)-2-phenylbenzimidazole

When the imine-amine compound, bis[(2-benzylideneimino)phenyl]amine [1], is heated in presence of a transition metal salt (for example FeCl3), a reaction occur leading to a new compound.[...]

Bis[(2-benzylideneimino)phenyl]amine

Imine and amine ligands have been widely used in the field of transition metal catalyzed olefin polymerization [1].[...]