Add time:08/18/2019         Source:sciencedirect.com

Acetylferrocene (cas 1271-55-2) oxime was dilithiated with excess lithium diisopropylamide and the resulting C(α),O-dilithiated oxime was condensed at the carbanion-type center with aromatic esters to yield C-acylated intermediates that were quenched and acid-cyclined to the (5-aryl-3-isoxazolyl)-ferrocenes (isoxazolyl-ferrocenes). The resulting products were isolated in yields ranging from 20–76% and purified by recrystallization from ethanol.

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