Add time:07/18/2019         Source:sciencedirect.com

An efficient ‘on water’-promoted direct catalytic vinylogous addition of 3,5-dimethyl-4-nitroisoxazole to aldehydes and trifluoromethyl ketones was described, giving Henry (nitroaldol) adducts in excellent yields. The trifluoromethyl tertiary alcohol product could be transformed to the corresponding styrene derivative, which was demonstrated as a new type of Michael acceptor in the vinylogous 1,6-Michael addition with nitromethane.

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