3,4-Dimethyl-N-[(E)-3-nitro­benzyl­idene]-1,2-oxazol-5-amine

In the title compound, C12H11N3O3, the dihedral angle between the 3-nitro­benzaldehyde and 5-amino-3,4-dimethyl-1,2-oxazole moieties is 2.46 (12)°. The mol­ecule is close to planar, the r.m.s. deviation for the non-H atoms being 0.028 Å. The packing only features van der Waals inter­actions between the mol­ecules

(2E)-3-[4-(Dimethyl­amino)­phen­yl]-1-(2,5-dimethyl-3-thien­yl)prop-2-en-1-one

The asymmetric unit of the title compound, C17H19NOS, contains two independent mol­ecules which differ in the dihedral angles between the five- and six-membered rings [12.52 (10) and 4.63 (11)°]. Weak inter­molecular C—H⋯O hydrogen bonds link the two independent mol­ecules into pseudocentrosymmetric dimers. In one mol­ecule, the O atom of the carbonyl group is disordered over two positions in a 0.699 (4):0.301 (4) ratio

N-[(E)-1,3-Benzodioxol-5-yl­methyl­idene]-3,4-dimethyl-1,2-oxazol-5-amine

In the title compound, C13H12N2O3, the dihedral angle between the aromatic rings is 7.94 (12)°. In the crystal, inversion dimers linked by pairs of C—H⋯O hydrogen bonds generate R 2 2(6) loops. Weak π–π [centroid–centroid separations = 3.7480 (13) and 3.9047 (13) Å] and C—H⋯π inter­actions help to consolidate the packing

2,4,5-Trimeth­oxy­benzaldehyde monohydrate

In the title compound, C10H12O4·H2O, the 2,4,5-trimeth­oxy­benzaldehyde mol­ecule is almost planar (rms deviation = 0.0183 Å). There is an R 1 2(5) ring motif due to O—H⋯O hydrogen bonding. In the crystal, the mol­ecules are stabilized in the form of one-dimensional polymeric chains extending along [010] due to O—H⋯O hydrogen bonding with adjacent water mol­ecules. The H atoms involved in inter­molecular hydrogen bonding are disordered over two sets of sites of equal occupancy

Immunological and Histopathological Effect of Plant Extract on Schistocerca Gregaria

The desert Locust, Schistocerca gregaria (Forsk) is one of the serious pests attacking vegetables and wide varieties of other field crops in Egypt and other different countries.The present study was also extended to conduct the insecticidal effect of the most potent extracts Citrullus colocynthis, and Guayacum officinalis extract post formulation on S. gergaria larvae. The present study has been conducted to investigate the effect of plant extract on differential and total haemocyte counts and midgut histopathologiocal changes of S. gregaria Four types of haemocytes were characterized; prohaemocytes (PRs), plasmatocytes (PLs), granulocytes (GRs) and oenocytoids (OEs). The percentage of PRs decreased in insects fed on leaves treated with Citrullus colocynthis, and Guayacum officinalis plant The percentage of PLs increased, while the percentage of GRs decreased in all tested insects treated. The percentages of oenocytoids (OEs) increased in insect fed treated compared with control. Results indicated that THCs of insects fed on leaves treated significantly decreased in all insects treated. also, showed highly histopathological disturbances in the midgut and body wall cells of this pest. Among the most recorded observations are vacuolation, destruction of the cells

2-Amino-4-phenyl-5,6-dihydro­benzo[h]quinoline-3-carbonitrile–3-amino-1-phenyl-9,10-dihydro­phenanthrene-2,4-dicarbonitrile (5/3)

The asymmetric unit of the 5:3 title co-crystal of 2-amino-4-phenyl-5,6-dihydro­benzo[h]quinoline-3-carbonitrile and 3-amino-1-phenyl-9,10-dihydro­phenanthrene-2,4-dicarbonitrile, 0.625C20H15N3.0.375C22H15N3, has the atoms of the fused-ring system and those of the amino, cyano and phenyl substitutents overlapped. The fused-ring system is buckled owing to the ethyl­ene linkage in the central ring, the two flanking aromatic rings being twisted by 20.1 (1)°. This ethyl­ene portion is disordered over two positions in a 1:1 ratio. The phenyl ring is twisted by 69.5 (1)° relative to the amino- and cyano-bearing aromatic ring. In the crystal, two mol­ecules are linked by an N—H⋯N hydrogen bond, generating a a helical chain along [010]

N-(4-Chloro­benzyl­idene)-3,4-dimethyl­isoxazol-5-amine

The mol­ecule of the title compound, C12H11ClN2O, has E configuration at the azomethine double bond and is virtually planar with a dihedral angle of 1.25 (13)° between the benzene and isoxazole rings. C—H⋯π inter­actions stabilize the crystal structure

(E)-2-Methyl-6-[(1-phenyl-1H-pyrazol-4-yl)methyl­idene]cyclo­hexa­none

The asymmetric unit of the title compound, C17H18N2O, contains two independent mol­ecules. In both, the cyclo­hexane ring adopts a flattened chair conformation, and the 3- and 4-methyl­ene C atoms as well as the methyl C atoms are disordered over two positions, the occupancy of the major component being 68 (1)% in one mol­ecule and 64 (1)% in the other. The phenyl and pyrazole rings in both mol­ecules are approximately coplanar, the r.m.s. deviations being 0.048 and 0.015 Å, respectively. Weak inter­molecular C—H⋯O hydrogen bonding is present in the crystal structure

3-Amino-1-(4-bromo­phen­yl)-9,10-dihydro­phenanthrene-2,4-dicarbonitrile

In the title compound, C22H14BrN3, the fused-ring system is buckled owing to the ethyl­ene linkage in the central ring; the two flanking aromatic rings are twisted by 25.9 (1) ° with respect to each other. The phenyl ring is twisted by 77.0 (1)° relative to the amino- and cyano-bearing aromatic ring. In the crystal, adjacent mol­ecules are linked by two N–H⋯N hydrogen bonds, generating a zigzag chain along [101]

(E)-1-(2,5-Dimethyl-3-thien­yl)-3-(2-hy­droxy­phen­yl)prop-2-en-1-one

In the title compound, C15H14O2S, the dihedral angle between the aromatic rings is 8.46 –(8)°. The central enone group is planar (r.m.s. deviation = 0.0267 Å) and is oriented at a dihedral angle of 1.20 (9)° with respect to the benzene ring and at 8.27 (9)° with respect to the thio­phene group. In the crystal, the mol­ecules are linked into polymeric chains extending along the b axis due to inter­molecular O—H⋯O hydrogen bonding. An S(6) ring motif is formed due to a short intra­molecular C—H⋯O contact. C—H⋯π inter­actions involving a methyl group of the 2,5-dimethyl­thienyl group and the benzene ring are present. π–π inter­actions between the centroids of the benzene and heterocyclic rings [3.7691 (9) Å] also occur