Hafid Zouihri

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The title compound, C(20)H(26)N(2)O(5), was prepared in good yield (76%) through condensation of diethyl (4-meth-oxy-benz-yl)propane-dioate with 3,5-dimethyl-1H-pyrazole. The dihedral between the benzene and pyrazole rings is 83.96 (10)°. The crystal packing is stabilized by a C-H⋯O inter-action, which links the mol-ecules into centrosymmetric dimers.
The structure of the title compound, (Ag(0.79)Co(0.11))Co(H(2)O)(2)[BP(2)O(8)]·0.67H(2)O is isotypic to that of its recently published counterparts AgMg(H(2)O)(2)[BP(2)O(8)]·H(2)O and (Ag(0.57)Ni(0.22))Ni(H(2)O)(2)[BP(2)O(8)]·0.67H(2)O. It consists of infinite borophos-phate helical ribbons [BP(2)O(8)](3-), built up from alternate BO(4) and PO(4)(More)
The structure framework of the title compound, (Ag(0.57)Ni(0.22))Ni(H(2)O)(2)[BP(2)O(8)]·0.67H(2)O, is the same as that of its recently published counterpart AgMg(H(2)O)(2)[BP(2)O(8)]·H(2)O. In the title structure, the Ag, Ni, B and one O atom are located on special positions (sites symmetry 2). The structure consists of infinite borophosphate helical(More)
The structure of the polymeric title compound, [CuCl(CH(4)N(2)S)(2)](n), has been redetermined to modern standards of precision with anisotropic refinement and location of the H atoms. The previous structure report [Spofford & Amma (1970 ▶). Acta Cryst. B26, 1474-1483] is generally confirmed to higher precision [typical Cu-S bond length s.u. values = 0.005(More)
The title heterocyclic compound, C(20)H(17)NO(3)S, was synthesized by condensation of ethyl cyano-acetate with (Z)-2-benzyl-idenebenzo[b]thio-phen-3(2H)-one in the presence of a basic catalyst in ethanol. The phenyl and ester groups make dihedral angles of 77.67 (6) and 8.52 (6)°, respectively, with the benzothienopyran ring system [maximum r.m.s. deviation(More)
The title compound, C(16)H(18)N(2)O(5), consists of a benzodiazepinedione system fused to a pyrrole system. The seven-membered ring adopts a boat-shaped conformation (with the methine C atom as the prow); the five-membered ring adopts an enveloped-shaped conformation (with the hydr-oxy-bearing C atom as the flap). The hydr-oxy group is hydrogen bonded to(More)
The bonds in the five-membered ring of the title hydrated salt, C(14)H(17)N(2) (+)·Br(-)·2H(2)O, are delocalized. The cation lies on a special position of m site symmetry such that the mirror plane passes through the imidazol-yl-methyl bond and is perpendicular to the plane of the cation. The anion lies on another special position of 2 site symmetry. The(More)
There are two independent mol-ecules in the asymmetric unit of the title compound, C(17)H(20)N(2)O(4), which differ slightly in the orientation of the phenyl ring and carbonyl groups with respect to the pyrazole unit. In the first mol-ecule, the dihedral angle between the phenyl and pyrazole rings is 68.99 (13)° while the two carbonyl groups make a dihedral(More)
The title compound, C(15)H(14)N(2)O(3)·H(2)O, consists of a benzodiazepinedione system fused to a pyrrole system. The seven-membered ring adopts a boat-shaped conformation (with the methine C atom as the prow); the five-membered ring adopts an enveloped-shaped conformation (with the hydr-oxy-bearing C atom as the flap). In the crystal, adjacent mol-ecules(More)