In the title compound, C(17)H(13)NO, the azomethine double bond adopts an E conformation. The naphthyl ring system and the benzene ring form a dihedral angle of 8.09 (10)°. The near-planar conformation of the molecule is consolidated by an intra-molecular O-H⋯N hydrogen bond, which forms an S(6) ring. In the crystal, mol-ecules are arranged in a zigzag fashion parallel to the c axis.

In the title compound, C14H19ClN2O2·H2O, the piperdine ring adopts a chair conformation. The dihedral angle between the mean plane of the piperidine ring and that of the phenyl ring is 41.64 (1)°. In the crystal, mol-ecules are linked by O-H⋯N, N-H⋯O and C-H⋯O hydrogen bonds involving the water mol-ecule, forming double-stranded chains propagating along [010].

Unsaturated spirocyclic substrates bearing two alkenyl chains underwent ruthenium-mediated ring-rearrangement metathesis through relaying cyclohexene and cycloheptene moieties to give angularly fused tricyclics. In some instances where two products were expected, high degrees of selectivity were observed. In one instance the structural parameter leading to selectivity was very subtle; in others...

The title compound, C(15)H(12)N(4)O(2), contains two substituted benzohydrazide and indole rings linked via a C=N double bond. The dihedral angle between the benzene ring and the indole ring system is 11.38 (10)°. The mol-ecular structure is stabilized by an intra-molecular N-H⋯O hydrogen bond, forming a six-membered ring. The crystal structure is consolidated by inter-molecular N-H⋯O and C-H⋯O...

Two distinct approaches, the Frenkel-Dirac time-dependent variation and the Haken-Strobl model, are adopted to study energy transfer dynamics in single-ring and double-ring light-harvesting (LH) systems in purple bacteria. It is found that the inclusion of long-range dipolar interactions in the two methods results in significant increase in intra- or inter-ring exciton transfer efficiency. The ...

In this paper we have introduced and investigated the collective behavior of a network memristive Hindmarsh-Rose (HR) neurons. The proposed model was built considering autapse traditional 2D HR neuron. Using one-parameter bifurcation diagram its corresponding maximal Lyapunov exponent graph, showed that able to exhibit reverse period doubling route chaos, phenomenon interior exterior crises. Th...

A gauge group is the topological of automorphisms a principal bundle. We compute integral cohomology ring classifying spaces groups U(n)-bundles over 2-sphere by generalizing operation for free loop spaces, called double suspension.

In the title compound, C25H21BrN2O2, the fused isoxazolidine ring adopts an envelope conformation with the N atom at the flap and the mean plane of the ring makes dihedral angles of 54.37 (12) and 87.32 (13)°, respectively, with the adjacent phenyl and benzene rings. The tetra-hydro-pyran ring has a half-chair conformation. In the crystal, mol-ecules are linked into a double-column structure al...