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Spectral Analysis of Ketoximes
This invention relates to a process for determining the stereochemistry of ketoximes by nuclear magnetic resonance (NMR). Hydrogen chloride gas is added to a sample of a ketoxime in solution in an aromatic solvent after which the same is subjected to nuclear magnetic spectroscopy. The spectrum obtained makes it possible to determine whether the sample is a single ketoxime or a mixture of ketoxime isomers as well as whether a single ketoxime has a syn or anti form or the relative amount of the syn and anti forms in isomeric mixtures.
The Molecular Rearrangement of Triarylhydroxylamines and the Beckmann Rearrangement of Ketoximes
Excerpt from The Molecular Rearrangement of Triarylhydroxylamines and the Beckmann Rearrangement of Ketoximes: A Color Reaction of Hypochlorites With Methylaniline and Ethylaniline Hofmann, Ben, 15, 412 Dry salts of the acid halogen amides decompose, when warmed, forming isocyanates (unpublished work of Stieglitz and O. Eckstein, 1905) About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
