5-Nitrosalicylic Acid and its Proton-Transfer Compounds with Aliphatic Lewis Bases
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چکیده
منابع مشابه
Hydrogen bonding in proton-transfer compounds of 5-sulfosalicylic acid with bicyclic heteroaromatic Lewis bases.
The crystal structures of quinolinium 3-carboxy-4-hydroxybenzenesulfonate trihydrate, C9H8N + C7H5O6S 3H2O, (I), 8-hydroxyquinolinium 3-carboxy-4-hydroxybenzenesulfonate monohydrate, C9H8NO + C7H5O6S H2O, (II), 8-aminoquinolinium 3-carboxy-4-hydroxybenzenesulfonate dihydrate, C9H9N2 + C7H5O6S 2H2O, (III), and 2-carboxyquinolinium 3-carboxy-4-hydroxybenzenesulfonate quinolinium-2-carboxylate, C1...
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The structures of two compounds of L-tartaric acid with quinoline, viz. the proton-transfer compound quinolinium hydrogen (2R,3R)-tartrate monohydrate, C9H8N+.C4H5O6-.H2O, (I), and the anhydrous non-proton-transfer adduct with quinaldic acid, bis(quinolinium-2-carboxylate) (2R,3R)-tartaric acid, 2C10H7NO2.C4H6O6, (II), have been determined at 130 K. Compound (I) has a three-dimensional honeycom...
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The structures of the proton-transfer compounds of 4,5-dichlorophthalic acid (DCPA) with the aliphatic Lewis bases triethylamine, diethylamine, n-butylamine and piperidine, namely triethylaminium 2-carboxy-4,5-dichlorobenzoate, C(6)H(16)N(+) x C(8)H(3)Cl(2)O(4)(-), (I), diethylaminium 2-carboxy-4,5-dichlorobenzoate, C(4)H(12)N(+) x C(8)H(3)Cl(2)O(4)(-), (II), bis(butanaminium) 4,5-dichlorobenze...
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5-Aminosalicylic acid (5-ASA) is currently prepared by electrochemical reduction of 5-nitrosalicylic acid (5-NSA) in acidic media. In this work, electrolytic reduction of 5-NSA in alkaline media is presented. Reactionconditions and parameters such as anode and cathode electrodes, electrolyte type, reaction time, temperature,current, and the pH for isolation of product are investigated. The yiel...
متن کاملProton-transfer compounds of isonipecotamide with the aromatic dicarboxylic acids 4-nitrophthalic, 4,5-dichlorophthalic, 5-nitroisophthalic and terephthalic acid.
The structures of the 1:1 proton-transfer compounds of isonipecotamide (piperidine-4-carboxamide) with 4-nitrophthalic acid [4-carbamoylpiperidinium 2-carboxy-4-nitrobenzoate, C(6)H(13)N(2)O(8)(+)·C(8)H(4)O(6)(-), (I)], 4,5-dichlorophthalic acid [4-carbamoylpiperidinium 2-carboxy-4,5-dichlorobenzoate, C(6)H(13)N(2)O(8)(+)·C(8)H(3)Cl(2)O(4)(-), (II)] and 5-nitroisophthalic acid [4-carbamoylpiper...
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ژورنال
عنوان ژورنال: Australian Journal of Chemistry
سال: 2005
ISSN: 0004-9425
DOI: 10.1071/ch04144