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Metalation of Iminium Ions Formed in the Reaction of Tertiary Amines with TiCl4

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posted on 31.08.1999, 00:00 authored by Pandi Bharathi, Mariappan Periasamy
TiCl4 reacts with trialkylamines at 0−25 °C to give iminium ions that on metalation followed by reaction with diaryl ketones, produce α,β-unsaturated aldehydes.

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