Beilstein J. Org. Chem.2016,12, 2093–2098, doi:10.3762/bjoc.12.198
TCNE and ketones) with aldehydes in an acidic media. An unusual process of quasi hydrolysis of the cyano group was observed in the course of the described regio- and diastereoselective transformation.
Keywords: diastereoselectivity; 3,4-dihydro-2H-pyran-4-carboxamide; nitriles; pyran; quasi-hydrolysis
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Graphical Abstract
Scheme 1:
An exclusive approach to 3,4-dihydro-2H-pyran-4-carboxamides from non-pyran sources.