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1.2.1.4.3.3 Water-Promoted Mannich Reaction

DOI: 10.1055/sos-SD-210-00078

Bernardi, L.; Ricci, A.Science of Synthesis: Multicomponent Reactions, (20141153.

Water produced during imine formation can itself promote the subsequent Mannich reaction, as demonstrated in the solvent- and catalyst-free vinylogous Mannich addition of 2-(trimethylsiloxy)furan to in situ generated imines to give the corresponding γ-butenolide derivatives 28 (Scheme 31).[‌43‌]

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References


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