Search Results - "Wermuth, Urs D."

4-(4-Amino-phenyl-sulfon-yl)anilinium toluene-4-sulfonate by Smith, Graham, Wermuth, Urs D

“…In the title p-toluene-sulfonate salt of the drug dapsone, C12H13N2O2S(+)·C7H7O3S(-), the dihedral angle between the two aromatic rings of the dapsone…”
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2,4,6-Trinitro-N-[4-(phenyl-diazen-yl)phen-yl]aniline by Smith, Graham, Wermuth, Urs D

“…The title compound, C(18)H(12)N(6)O(6), was prepared from the reaction of 4-(phenyl-diazen-yl)aniline (aniline yellow) with picryl-sulfonic acid. The dihedral…”
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N,N‐Diformylmescaline: A novel analogue of mescaline detected in Queensland by Gallagher, Ryan, McLaughlin, Maddison G., Blakey, Karen, Wermuth, Urs D., Boyd, Sue, McGowan, Jenny

“…N,N‐Diformylmescaline, a novel analogue of mescaline, has recently been detected in Australia in two unrelated seizures. To confirm the identification, a…”
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The coordination complex structures and hydrogen bonding in the three‐dimensional alkaline earth metal salts (Mg, Ca, Sr and Ba) of (4‐aminophenyl)arsonic acid by Smith, Graham, Wermuth, Urs D.

“…(4‐Aminophenyl)arsonic acid (p‐arsanilic acid) is used as an antihelminth in veterinary applications and was earlier used in the monosodium salt dihydrate form…”
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Unusual 4‐arsonoanilinium cationic species in the hydrochloride salt of (4‐aminophenyl)arsonic acid and formed in the reaction of the acid with copper(II) sulfate, copper(II) chloride and cadmium chloride by Smith, Graham, Wermuth, Urs D.

“…Structures having the unusual protonated 4‐arsonoanilinium species, namely in the hydrochloride salt, C6H9AsNO3+·Cl−, (I), and the complex salts formed from…”
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The three‐dimensional hydrogen‐bonded structures in the ammonium and sodium salt hydrates of 4‐aminophenylarsonic acid by Smith, Graham, Wermuth, Urs D.

“…The structures of two hydrated salts of 4‐aminophenylarsonic acid (p‐arsanilic acid), namely ammonium 4‐aminophenylarsonate monohydrate, NH4+·C6H7AsNO3−·H2O,…”
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Crystal structures and hydrogen bonding in the isotypic series of hydrated alkali metal (K, Rb and Cs) complexes with 4-aminophenylarsonic acid by Smith, Graham, Wermuth, Urs D.

“…The structures of the alkali metal (K, Rb and Cs) complex salts with 4-aminophenylarsonic acid ( p -arsanilic acid) manifest an isotypic series with the…”
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Proton-transfer compounds with 4-amino-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide (sulfamethazine): the structures and hydrogen bonding in the salts with 5-nitrosalicylic acid and picric acid by Smith, Graham, Wermuth, Urs D.

“…The structures of the anhydrous proton‐transfer compounds of the sulfa drug sulfamethazine with 5‐nitrosalicylic acid and picric acid, namely…”
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Crystal structure and hydrogen bonding in the water-stabilized proton-transfer salt brucinium 4-aminophenylarsonate tetrahydrate by Smith, Graham, Wermuth, Urs D.

“…In the structure of the brucinium salt of 4-aminophenylarsonic acid ( p -arsanilic acid), systematically 2,3-dimethoxy-10-oxostrychnidinium…”
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Crystal structures and hydrogen bonding in the isotypic series of hydrated alkali metal (K, Rb and Cs) complexes with 4-amino-phenyl-arsonic acid by Smith, Graham, Wermuth, Urs D

“…The structures of the alkali metal (K, Rb and Cs) complex salts with 4-amino-phenyl-arsonic acid ( -arsanilic acid) manifest an isotypic series with the…”
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Hydrogen bonding in two ammonium salts of 5-sulfosalicylic acid: ammonium 3-carboxy-4-hydroxybenzenesulfonate monohydrate and triammonium 3-carboxy-4-hydroxybenzenesulfonate 3-carboxylato-4-hydroxybenzenesulfonate by Smith, Graham, Wermuth, Urs D.

“…The structures of two ammonium salts of 3‐carboxy‐4‐hydroxybenzenesulfonic acid (5‐sulfosalicylic acid, 5‐SSA) have been determined at 200 K. In the 1:1…”
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Cyclic imides and an open-chain amide carboxylic acid from the facile reaction of cis-cyclohexane-1,2-carboxylic anhydride with the isomeric monofluoroanilines by Smith, Graham, Wermuth, Urs D.

“…The structures of the cyclic imides cis‐2‐(2‐fluorophenyl)‐3a,4,5,6,7,7a‐hexahydroisoindole‐1,3‐dione, C14H14FNO2, (I), and…”
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Diammonium biphenyl-4,4'-disulfonate by Smith, Graham, Wermuth, Urs D, Healy, Peter C

“…In the title salt, 2NH(4) (+)·C(12)H(8)O(6)S(2) (2-), the dianion has crystallographic inversion symmetry. A three-dimensional framework is formed from primary…”
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Crystal structure and hydrogen bonding in the water-stabilized proton-transfer salt brucinium 4-amino-phenyl-arsonate tetra-hydrate by Smith, Graham, Wermuth, Urs D

“…In the structure of the brucinium salt of 4-amino-phenyl-arsonic acid (p-arsanilic acid), systematically 2,3-dimeth-oxy-10-oxostrychnidinium…”
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Three-dimensional hydrogen-bonded structures in the hydrated proton-transfer salts of isonipecotamide with the dicarboxylic oxalic and adipic acid homologues by Smith, Graham, Wermuth, Urs D.

“…The structures of the 1:1 hydrated proton‐transfer compounds of isonipecotamide (piperidine‐4‐carboxamide) with oxalic acid, 4‐carbamoylpiperidinium hydrogen…”
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2-(4-Aminobenzenesulfonamido)-4,6-dimethylpyrimidin-1-ium 2-carboxy-4,6-dinitrophenolate by Smith, Graham, Wermuth, Urs D.

“…In the structure of the phenolate salt of the sulfa drug sulfamethazine with 3,5-dinitrosalicylic acid, C12H15N4O2S+·C7H3N2O7−, the dihedral angle between the…”
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4-Amino- N -(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide–2-nitrobenzoic acid (1/1) by Smith, Graham, Wermuth, Urs D.

“…In the asymmetric unit of the title co-crystal, C 12 H 14 N 4 O 2 S·C 7 H 5 NO 4 , the sulfamethazine and 2-nitrobenzoic acid molecules form a heterodimer…”
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Proton-transfer compounds of isonipecotamide with the aromatic dicarboxylic acids 4-nitrophthalic, 4,5-dichlorophthalic, 5-nitroisophthalic and terephthalic acid by Smith, Graham, Wermuth, Urs D.

“…The structures of the 1:1 proton‐transfer compounds of isonipecotamide (piperidine‐4‐carboxamide) with 4‐nitrophthalic acid [4‐carbamoylpiperidinium…”
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Hydrogen bonding in cyclic imides and amide carboxylic acid derivatives from the facile reaction of cis-cyclohexane-1,2-carboxylic anhydride with o- and p-anisidine and m- and p-aminobenzoic acids by Smith, Graham, Wermuth, Urs D.

“…The structures of the open‐chain amide carboxylic acid rac‐cis‐2‐[(2‐methoxyphenyl)carbamoyl]cyclohexane‐1‐carboxylic acid, C15H19NO4, (I), and the cyclic…”
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4-Methoxyanilinium 2-carboxy-4,5-dichlorobenzoate by Smith, Graham, Wermuth, Urs D.

“…In the title salt C7H10NO+·C8H3Cl2O4− the benzene rings of the cation and anion are essentially parallel [inter-ring dihedral angle 4.8 (2)°]. In the anion the…”
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