Copper complexes of dinucleating octa-azamacrocyclic ligands by Dancey, Keith Philip

“…Three types of dinacleating tetraimine macrocycles have been prepared from 4,7-diaza-2,3;8,9-dibenzodecane-l,10-dione by condensation with the appropriate polyamine; I, large-ring octa-aza macrocycles e.g. the 28—membered ring compound 5,6,7,8,15,16,23,24,25,26,33,34— dodecahydrotetrabenzo(e,m,s,a’) (1,4,11,15,18,22,25) octaaza- cyclooctacosine and related 30- and 36- membered ring compounds; II, the "fused" bis(tetra-azamacrocycle) 5,6,7,8,22,23,24,25-octahydrotetrabenzo (f,f’1,1’) benzo (1,2-b:4,5-b’)- bis(1,4,8,)tetraazacyclotetradecine; III, the "Linked" bis(tetra-azamacrocycle) 5,6,7,8,24,25,26,27-octahydrotetrabenzo (f,f’,1,1)diphenyl(3,4-b:3’,4’-b’)bis(l,4,8,11)tetraazacyclotetradecine. …”
Get full text

Ethyl 1-sec-butyl-2-phenyl-1H-benzimidazole-5-carboxylate by Arumugam, Natarajan, Abdul Rahim, Aisyah Saad, Abd Hamid, Shafida, Hemamalini, Madhukar, Fun, Hoong-Kun

“…In the title molecule, C20H22N2O2, the benzimidazole ring system is essentially planar, with a maximum deviation of 0.024 (1) A ˚ . …”
Get full text

4-(sec-butylamino)-3-nitrobenzoic acid by Narendra Babu, Shivanagere Nagojappa, Abdul Rahim, Aisyah Saad, Abd Hamid, Shafida, Yeap, Chin Sing, Fun, Hoong-Kun

“…In each, intramolecular N-H...O hydrogen bonds generate S(6) ring motifs. The mean plane of the nitro group forms dihedral angles of 4.5 (3) and 0.5 (3)° with the benzene ring in molecules A and B, respectively. …”
Get full text

Sulfur monoxide transfer from peri-substituted trisulfide-2-oxides to dienes: substituent effects, mechanistic studies and application in thiophene synthesis by Grainger, Richard S., Patel, Bhaven, Kariuki, Benson M., Male, Louise, Spencer, Neil

“…The 1,2,3-trithiane-2-oxide ring adopts a sofa conformation in the solid state, with a pseudoaxial oxygen and evidence of ring strain (peri-interaction). …”

4-ethylamino-3-nitrobenzoic acid by Narendra Babu, Shivanagere Nagojappa, Abdul Rahim, Aisyah Saad, Abd Hamid, Shafida, Quah, Ching Kheng, Fun, Hoong-Kun

“…In the title compound, C9H10N2O4, an intramolecular N-H...O hydrogen-bond interaction generates an S(6) ring motif. The nitro group is slightly twisted away from its attached benzene ring [dihedral angle = 15.29 (15)°]. …”
Get full text

Ethyl 4-(2-hydroxyethylamino)-3-nitrobenzoate by Abdul Rahim, Aisyah Saad, Abd Hamid, Shafida, Narendra Babu, Shivanagere Nagojappa, Loh, Wan-Sin, Fun, Hoong-Kun

“…In the title compound, C11H14N2O5, the molecular structure is stabilized by an intramolecular N—H� � �O hydrogen bond, which generates an S(6) ring motif. The nitro group is twisted slightly from the attached benzene ring, forming a dihedral angle of 5.2 (2)�. …”
Get full text

Compact tri-band Wilkinson power divider based on metamaterial structure for Bluetooth, WiMAX, and WLAN applications by Khajeh-Khalili, Farzad, Honarvar, M. Amin, Dadgarpour, Abdolmehdi, Virdee, Bal Singh, Denidni, Tayeb A.

“…It comprises a П-shaped transmission-line coupled to a rectangular split ring resonator metamaterial structure. The μ-negative feature of the rectangular split ring resonator metamaterial structure is investigated by retrieving its constitutive parameters from the S-parameter response. …”
Get full text

Synthesis and chemistry of 1,4-oxathianes and 1,4-oxathian-3-ones by Hammad, Nashwa

“…The first involved an examination influencing the regioselectivity of the epoxide and consequent ring-opening to yield the corresponding hydroxy sulfide. …”
Get full text

Redevelopment of Northern End of York Racecourse by Markey, Anne, Phelan, Brendan

“…New Equine and Racegoer facilities at York Racecourse including a new pre-parade ring and saddling boxes; new weigh-in building; new bars, restaurant and champagne lawn.…”
Get full text

Birmingham St Patrick's day parade 2001 (poster) by Birmingham St. Patrick's Festival, BSPF

“…Anne's via Digbeth and The Bull Ring.…”
Get full text

Measurable bundles of *-homomorphisms C*-algebras by Ganiev, Inomjon, Kudaybergenov, Karimbergen

“…In the present paper we study ¤-homomorphisms on C¤-algebras over a ring of measurable functions L0: In particular, we give representation ¤-homomorphisms on C¤-algebras over L0 as measurable bundles of ¤-homomorphisms on complex C¤-algebras.…”
Get full text

Wear surface characteristics study of tribo-materials under palm oil methyl ester added lubricant by Maleque, Md. Abdul, Masjuki, H.H.

“…In this investigation, wear tests for a segmented piston ring-plate pair and a ball-plate pair were carried out using a modified universal wear and friction machine with three different percentages of palm oil methyl ester (POME) added to a mineral oil lubricant. …”
Get full text

Synthesis and structural studies of some metal complexes of tetraaza macrocyclic ligands by Baillie, Philip John

“…A series of dibenzo macrocyclic tetraamine ligands with 14-, 15-, 16-, 17- and 19-membered inner great lings (L14 to L15) has been synthesized to investigate the effect of ring size variation on their complexation behaviour with the metal-ions, Ni(Il), Zn(ll) and Cd(II).…”
Get full text

Ethyl 1-(2-hydroxyethyl)-2-propyl-1H-benzimidazole-5-carboxylate by Hamzah, Nurasyikin, Ngah, Nurziana, Abd Hamid, Shafida, Abdul Rahim, Aisyah Saad

“…In the title compound, C15H20N2O3, the benzimidazole ring is essentially planar, with a maximum deviation from the mean plane of 0.012 (1) A ˚ . …”
Get full text

Synthesis, characterization and cytotoxic activity of S-benzyldithiocarbazate Schiff bases derived from 5-fluoroisatin, 5-chloroisatin, 5-bromoisatin and their crystal structures by Abdul Manan, Mohd Abdul Fatah, Crouse, Karen Anne, Mohamed Tahir, Mohamed Ibrahim, Rosli, Rozita, How, Fiona Ni Foong, Watkins, David J., Slawin, Alexandra Martha Zoya

“…Planarity of the isatin ring in the Schiff bases can be arranged in the following order SB5FISA[SB5ClISA[SB5BrISA while the perpendicularity of the benzyl ring towards the dithiocarbazate plane can be ordered as follows, SB5FISA>SB5BrISA>SB5ClISA.…”
Get full text

Preparative and N.M.R. studies of polyphosphorus ligands and their complexes by Singh Nandha, Balbir

“…When all three phosphorus atoms are coordinated to the same metal atom this leads to considerable ring strain, but nonetheless such complexes are stable, but show interesting variations in their n.m.r. properties. …”
Get full text

Tunable performance of indium tin oxide-zinc oxide as Q-switcher by Zalkepali, N.U.H.H., Awang, N.A., Ghosh, B.K., Mohamad, K.A., Alias, A., Mahmud, N.N.H.E.N., Zamri, A.Z.M., Muhammad, N.A.M.

“…The mechanical exfoliation technique is applied to serve the ITO-ZnO as SA and inserted in a single-ring cavity design. The QPEDFL in a single ring cavity gives the repetition rate, pulse width, average output power, pulse energy, and SNR of 38.49 kHz, 5.50 µs, 0.47 mW, 12.72 nJ, and 64.20 dB, respectively. …”
Get full text

Tunable performance of indium tin oxide-zinc oxide as Q-switcher by Zalkepali, N.U.H.H., Awang, N.A., Ghosh, B.K., Mohamad, K.A., Alias, A., Mahmud, N.N.H.E.N., Zamri, A.Z.M., Muhammad, N.A.M.

“…The mechanical exfoliation technique is applied to serve the ITO-ZnO as SA and inserted in a single-ring cavity design. The QPEDFL in a single ring cavity gives the repetition rate, pulse width, average output power, pulse energy, and SNR of 38.49 kHz, 5.50 µs, 0.47 mW, 12.72 nJ, and 64.20 dB, respectively. …”
Get full text

Development and evaluation of linerboard made from soda-anthraquinone treated coconut coir fiber for protective packaging by Main, Nor Mazlana

“…By using this revolution, the burst index of 4.57 kPa.m2/g and ring crush index of 1.76 Nm2/g was obtained. The optimum beating revolution was further used in the blending process. …”
Get full text

Ethyl 2-(4-bromophenyl)-1-sec-butyl-1H-benzimidazole-5-carboxylate by Arumugam, Natarajan, Ngah, Nurziana, Abd Hamid, Shafida, Abdul Rahim, Aisyah Saad

“…In the title compound, C20H21BrN2O2, the bromophenyl ring is twisted by 40.13 (8)� from the benzimidazole mean plane and the Br atom deviates by 0.753 (1) A ˚ from that plane. …”
Get full text