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Preparation and spectroscopic properties of 2-benzothiazolyl araldehyde hydrazones
Authors:Michael J. Beam  Jeannette Schulz  Anvita Sinha  Pamela Collins  Susan Hallenbeck  Michael Kustin
Abstract:
Notwithstanding its tendency toward air oxidation in solution, 2-hydrazinobenzothiazole I reacted with aromatic aldehydes in ethanol to give the corresponding hydrazones III-XV in high yields and analytical purity. In related examples, acylation took place under similar conditions to produce hydrazides XVI-XX . The near-infrared bands of the absorption spectra of the araldehyde hydrazones have been associated with charge transfer and appeared to correlate with structural elements of the compounds in a way suggesting that the charge transfer was intermolecular.
Keywords:
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