New selective cyclizations of alk-4-ynals with primary amines and azoles:one-pot synthesis of 2-azolylpyrrolidines and 3-iminocyclopentenes
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Add time:07/21/2019 Source:sciencedirect.com
One-pot cyclization of alk-4-ynals with primary aliphatic amines and azoles in DMSO under the action of KOH affords 1-alkyl-2-azolyl-5-arylmethylidenepyrrolidines. Similar processes with lithium monoalkylamides in THF give rise to 3-iminocyclopentenes.
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