Results 11 to 20 of about 2,584 (187)
Acta Crystallographica Section E Structure Reports Online, 2009 The title compound {systematic name: [1-(carboxy-meth-yl)cyclo-hexyl]methanaminium 2,4,6-trinitro-phenolate}, C(9)H(18)NO(2) (+)·C(6)H(2)N(3)O(7) (-), was synthesized from picric acid and gabapentin. The crystal packing is stabilized by intra-molecular N-H⋯O=N and N-H⋯O-Ph hydrogen bonds. An O-H⋯O inter-action is also present.
Li, Hongqi +4 more
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Acta Crystallographica Section E Structure Reports Online, 2010 In the title molecular salt {systematic name: N,N-dimethyl-2-[(2-methyl-phen-yl)(phen-yl)meth-oxy]ethanaminium 2,4,6-tri-nitro-phenolate}, C(18)H(24)NO(+)·C(6)H(2)N(3)O(7) (-), the phenyl rings of the orphenadrinum cation are disordered [occupancies = 0.662 (4) and 0.338 (4)]. The N atom in the orphenadrinum cation is protonated.
Jasinski, J. P. +4 more
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Acta Crystallographica Section E Structure Reports Online, 2012 In the title salt {systematic name: [2-hy-droxy-3-(3-meth-oxy-phen-yl)cyclo-hexyl-meth-yl]dimethyl-aza-nium 2,4,6-trinitro-phenol-ate}, C(16)H(26)NO(2) (+)·C(6)H(2)N(3)O(7) (-), the cation is protonated at the N atom. The cyclo-hexane ring adopts a chair conformation with the hy-droxy substituent in an axial position.
Siddaraju, B. P. +3 more
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Acta Crystallographica Section E Structure Reports Online, 2012 In the title salt {systematic name: 4-diphenylmethyl-1-[(E)-3-phenylprop-2-en-1-yl]piperazin-1-ium 2,4,6-trinitrophenolate), C26H29N2 +·C6H2N3O7 −, the cinnarizinium cation is protonated at the piperazine N atom connected to the styrenylmethyl group; the piperazine ring adopts a distorted chair conformaiton.
Yanxi Song +4 more
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3-Bromoanilinium picrate [PDF]
Acta Crystallographica Section E Structure Reports Online, 2009 In the title compound, C(6)H(7)BrN(+)·C(6)H(2)N(3)O(7) (-), the O atoms of two of the nitro groups are disordered over two sites, the ratios of the refined occupancies being 0.72 (6):0.28 (6) and 0.74 (5):0.26 (5). In the crystal structure, the anions and cations are linked via inter-molecular N-H⋯O hydrogen bonds into chains along [100].
Bo Zhao, Yan-jun Li
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1-Piperonylpiperazinium picrate [PDF]
Acta Crystallographica Section E Structure Reports Online, 2014 In the cation of the title salt [systematic name: 4-(2H-1,3-benzodioxol-5-ylmethyl)piperazin-1-ium 2,4,6-trinitrophenolate], C12H17N2O2+·C6H2N3O7−, the piperazine ring adopts a slightly disordered chair conformation. The piperonyl ring system and the piperazine ring are twisted with respect to each other with an N—C—C—C torsion angle of 40.7 (2)°.
Kavitha, C. N. +4 more
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A Second Crystal Polymorph of Anilinium Picrate [PDF]
, 2004 The crystal structure of a second monoclinic polymorph of anilinium picrate shows a three-dimensional hydrogen-bonded polymer with strong primary interspecies interactions involving the proximal phenolate and adjacent nitro group O-atom acceptors and ...
Healy, Peter +2 more
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1-Methylhydrazinium picrate [PDF]
Acta Crystallographica Section E Structure Reports Online, 2011 In the title salt, CH(7)N(2) (+)·C(6)H(2)N(3)O(7) (-), the dihedral angles between the three nitro groups and the plane of the benzene ring are 22.4 (2), 35.3 (2) and 2.8 (2)°. In the crystal, the components are linked by N-H⋯O and N-H⋯N hydrogen bonds into a two-dimensional network parallel to (10[Formula: see text]).
Xiao-Gang Mu +4 more
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Evaluation of Diazatetraoxa Cryptand as Extractant for Transition Metals and Pb2+ [PDF]
Pakistan Journal of Analytical & Environmental Chemistry, 2014 The extractability of metal cations such as Mn2+, Co2+, Cu2+, Zn2+ and Pb2+ from aqueous phase to organic phase with 19-nitro-6,7,15,16,23,24-hexahydro-13H,26H-14,25-propanotribenzo-[b,I,o][1,4,11,14,7,18]-tetraoxadiazacycloikocine was investigated by ...
Gülsev Dilber +4 more
doaj +2 more sources
The synthesis of 4H-pyran containing hemispherands via pyrylium salts [PDF]
, 1986 Two new hemispherands 2a and 2b containing a central 4H-pyran unit were synthesized via appropiately substituted 2,6-phenyl pyrylium salts; largest ΔGo values of complexation of 2a and 2b with different alkali picrates are found for Na+ and K+
Dijkstra, P.J. +4 more
core +2 more sources