THE TITLE COMPOUND (SYSTEMATIC NAME 4-{3-[2-aza-tricyclo-[9.4.0.0(3,8)]penta-deca-1(15),3,5,7,11,13-hexaen-2-yl]prop-yl}-1-(2-hy-droxy-eth-yl)piperazine-1,4-diium dichloride), C(23)H(31)N(3)O(+)·2Cl(-), is the dihydro-chloride of a piperazine derivative bearing a bulky 3-(5H-dibenz[b,f]azepin-5-yl)propyl substituent. Protonation took place on both N atoms of the piperazine unit. The diaza-cyclo...

THE ASYMMETRIC UNIT OF THE TITLE SALT [SYSTEMATIC NAME: 1-benzhydryl-4-cinnamylpiperazine-1,4-diium bis-(p-toluene-sulfonate) dihydrate], C26H30N2 (2+)·2C7H7O3S(-)·2H2O, consists of a diprotonated cinnarizinium cation hydrogen bonded through two water mol-ecules to two independent p-toluene-sulfonate anions, one which is disordered over two sets of sites in a 0.793 (3):0.207 (3) ratio. In the c...

IN THE CRYSTAL STRUCTURE OF IMATINIBIUM DIPICRATE [SYSTEMATIC NAME: 1-methyl-4-(4-{4-methyl-3-[4-(3-pyrid-yl)pyrimidin-2-yl-amino]-anilinocarbon-yl}benz-yl)piperazine-1,4-diium dipicrate], C(29)H(33)N(7)O(2+)·2C(6)H(2)N(3)O(7) (-), the imatinibium cation is proton-ated at both of the pyrimidine N atoms. Each of the two picrate anions inter-acts with the diprotonated cation through bifurcated N-...

In the title compound, {(C4H12N2)2[Li2(P6O18)]·4H2O} n , the phosphate ring anion, located around an inversion center, adopts a chair conformation. Adjacent P6O18 rings are linked via corner-sharing by LiO4 tetra-hedra, generating anionic porous {[Li2(P6O18)](4-)} n layers parallel to (101). The piperazine-1,4-diium cations occupy the pores and develop hydrogen bonds with the inorganic framewor...

The asymmetric unit of the title mol-ecular salt [systematic name: 1,4,8,11-tetraazacyclotetradecane-1,8-diium bis(3-carboxy-prop-2-enoate)], C10H26N4 (2+)·2C4H3O4 (-), contains two half-cations (both completed by crystallographic inversion symmetry) and two maleate anions. The cyclam macrocycles adopt trans-III conformations, supported by two intra-molecular N-H⋯O hydrogen bonds. The O-bonded ...

In this paper, we introduce a new function called tri-ĝ continuous in tri-topological spaces. A map f : X → Y is if f-1(V) closed for each tri-closed set V Y. Also define, quasi tri-ĝ. perfectly tri-ĝ, contra totally and strongly maps are introduced some of their properties studied.