FROM the results obtained by Holleman, 1 Hückel 2 has calculated the relative action constants and the differences between the energies of activation for the nitration of certain benzene derivatives ...
IT was known fifty years ago that hydroxy byproducts arise in small quantities in the nitration of benzene and toluene, and their significance was discussed by Armstrong and Rossiter in 1891. Since ...
Some workers at oil and gas sites where fracking occurs are routinely exposed to high levels of benzene, a colorless gas that can cause cancer, according to a study by the National Institute for ...
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