A chiral sample of 5-(methoxymethyl)-5-methylcyclohept-2-en-l-one was synthesized and converted in two separate reaction sequences to 2,7-and 3,7-dimethyl-7-(methoxymethyl)cycloheptatriene. The synthetic chemistry
Ketoximes are found to undergo the Beckmann rearrangement in hexamethylphosphoric triamide at 225–240°, affording the corresponding amides in good yield.
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