Showing 1,441 - 1,460 results of 1,538 for search '((((rings OR long) OR sspinggk) OR pengge) OR ((spinna OR (ssssspinna OR sssspinna)) OR pin))', query time: 0.07s Refine Results
  1. 1441
  2. 1442

    6,6′-Dimethoxy-2,2′-[p-phenylenebis(nitrilomethylidyne)]diphenol chloroform disolvate by Al-Douh, Mohammed Hadi, Osman, Hasnah, Abd Hamid, Shafida, Kia, Reza, Fun, Hoong-Kun

    Published 2009
    “…An intramolecular O-HN hydrogen bond generates a six-membered ring, producing an S(6) ring motif. Intermolecular bifurcated C-HO hydrogen bonds involving the two O atoms of the Schiff base ligand and the H atom of the chloroform solvent of crystallization, generate an R21(5) ring motif. …”
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    Article
  3. 1443

    Transform domain characterization of cyclic codes over Zm by Rajan, Sundar B., Siddiqi, Mohammad Umar

    Published 1994
    “…Cyclic codes with symbols from a residue class integer ring Zm are characterized in terms of the discrete Fourier transform (DFT) of codewords defined over an appropriate extension ring of Zm. …”
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    Article
  4. 1444

    Ethyl 1-(butan-2-yl)-2-(2-methoxyphenyl)- 1H-benzimidazole-5-carboxylate by Natarajan, Arumugam, Ngah, Nurziana, Osman, Hasnah, Abdul Rahim, Aisyah Saad

    Published 2011
    “…In the title compound, C21H24N2O3, the mean planes of the benzene ring and the benzimidazole ring system form a dihedral angle of 69.94 (7)�. …”
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    Article
  5. 1445

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

    Published 1982
    “…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. …”
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    Thesis
  6. 1446

    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

    Published 2010
    “…In the title molecule, C20H22N2O2, the benzimidazole ring system is essentially planar, with a maximum deviation of 0.024 (1) A ˚ . …”
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    Article
  7. 1447

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

    Published 2009
    “…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. …”
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    Article
  8. 1448

    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

    Published 2011
    “…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). …”
    Article
  9. 1449

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

    Published 2009
    “…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)°]. …”
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    Article
  10. 1450

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

    Published 2010
    “…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)�. …”
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    Article
  11. 1451

    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.

    Published 2019
    “…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. …”
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    Article
  12. 1452

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

    Published 1997
    “…The first involved an examination influencing the regioselectivity of the epoxide and consequent ring-opening to yield the corresponding hydroxy sulfide. …”
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    Thesis
  13. 1453

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

    Published 2015
    “…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.…”
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    Artefact
  14. 1454

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

    Published 2001
    “…Anne's via Digbeth and The Bull Ring.…”
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    Ephemera
  15. 1455

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

    Published 2012
    “…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.…”
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    Proceeding Paper
  16. 1456

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

    Published 2002
    “…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. …”
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    Article
  17. 1457

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

    Published 1993
    “…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).…”
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    Thesis
  18. 1458

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

    Published 2011
    “…In the title compound, C15H20N2O3, the benzimidazole ring is essentially planar, with a maximum deviation from the mean plane of 0.012 (1) A ˚ . …”
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    Article
  19. 1459

    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

    Published 2011
    “…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.…”
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    Article
  20. 1460

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

    Published 1992
    “…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. …”
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    Thesis