V. P. Sheverdov, V. V. Davydova, O. Nasakin
Mar 1, 2019
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Journal
Russian Journal of General Chemistry
Abstract
The reaction of 1-(2-oxocyclohexyl)ethane-1,1,2,2-tetracarbonitrile with crotonic aldehyde, cinnamic aldehyde, 2-furylacrolein, 3-phenyl-2-propinal, 3-butyl-2-propinal, and R-(−)-myrtenal have been investigated. It has been shown that these reactions proceed through the stage of the formation of 8a-hydroxyhexahydro-2H-chromene-3,3,4,4-tetracarbonitrile, followed by the formation of 10-iminotetrahydro-8a,4-(epoxymethane)chromene-3,3,4(2H,4aH-tricarboritrile. The X-ray diffraction data have suggested that the stereochemical features of the target products are determined by the reaction path.