- Anilinolysis of nitro-substituted diphenyl ethers in acetonitrile: the effect of some ortho-substituents on the mechanism of SNAr reactions
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Rate data are reported for the reactions of a series of X-phenyl 2,4,6-trinitrophenyl ethers 1a-e [X = H, 4-NO2,2-NO2, 2,4-(NO2)2, or 2,6-(NO2)2] with substituted anilines 2a-e [Y = H, 2-CH
- Isanbor., Chukwuemeka,Emokpae, Thomas A.
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experimental part
p. 37 - 49
(2010/04/06)
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- Relative reactivity and kinetic pattern of aniline and N-methylaniline as nucleophiles in aromatic substitution (SNAr) reactions
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Kinetic results are reported for the reactions of 4-nitrophenyl-2,4,6-trinitrophenyl ether 3 with aniline and N-methylaniline in dimethyl sulphoxide, acetonitrile, methanol, and benzene. The reactions gave the expected 2,4,6-trinitrodiphenylamine and were
- Emokpae, Thomas A.,Isanbor, Chukwuemeka
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p. 188 - 196
(2007/10/03)
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- Steric and electronic effects on the mechanism of nucleophilic substitution (SnAr) reactions of some phenyl 2,4,6-trinitrophenyl ethers with aniline and N-methylaniline in acetonitrile and in dimethyl sulfoxide
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Rate data are reported for the reactions of a series of 3′- and 4′-substituted phenyl 2,4,6-trinitrophenyl ethers, 4, with aniline in acetonitrile, leading to 2,4,6-trinitrodiphenylamine. The main reaction flux occurs through a base catalysed pathway invo
- Isanbor, Chukwuemekh,Emokpae, Thomas A.,Crampton, Michael R.
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p. 2019 - 2024
(2007/10/03)
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- The Mechanisms of Nucleophilic Substitution Reactions of Aromatic Ethers with Amines in Benzene
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The variation of the second-order rate constants with nucleophile concentration has been determined for the following reactions of some aromatic ethers with primary and secondary amines in benzene: 6-methyl-2,4-dinitrophenyl- and 2,6-dinitrophenyl phenyl
- Emokpae, Thomas A.,Uwakwe, Patrick U.,Hirst, Jack
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p. 509 - 514
(2007/10/02)
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- Rodenticidal use of diphenylamines
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A group of diphenylamines, having trinitro substitution or dinitro-trifluoromethyl substitution on one ring and from 1 to 5 substituents of a defined class, particularly halogen atoms, on the other ring, are useful rodenticides.
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