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1-(Morpholin-1-yl-pyridin-2-yl-methyl)-2-naphthol as a novel efficient N–O ligand has been developed for palladium-catalyzed Mizoroki–Heck reaction in neat water without the protection of an inert atmosphere. The reactions proceed smoothly and give the desired products in moderate to excellent yields. The catalyst system is reusable.
Activated-copper powder is an efficient catalyst for the N-arylation of heterocycles with aryl halides and can be reused several times. The reactions can proceed smoothly in water by using LiOH as base and give the corresponding products in good yields. The protocol shows good tolerance toward various functional groups.
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