H E Matimba

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The gas-phase reactions of negative ions (O(-.), NH 2 (-) , C2H5NH(-), (CH3)2N(-), C6H 5 (t-) , and CH3SCH 2 (-) ) with fluorobenzene and 1,4-difluorobenzene have been studied with Fourier transform ion cyclotron resonance mass spectrometry. The O(-.) ion reacts predominantly by (1) proton abstraction, (2) formal H 2 (+.) abstraction, and (3) attack on an(More)
The mechanism of propene loss from protonated phenyl n-propyl ether and a series of mono-, di-, and trimethylphenyl n-propyl ethers has been examined by chemical ionization (CI) mass spectrometry in combination with tandem mass spectrometry experiments. The role of initial proton transfer to the oxygen atom and the aromatic ring, respectively, has been(More)
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