L. Fisera et al., ON THE STEREOSELECTIVITY OF NITRONE ADDITION TO (R)-4-O-BENZYL-4-HYDROXY-2-PENTEN-5-OLIDE, Himia geterocikliceskih soedinenij, (10), 1995, pp. 1350-1352
The title reaction was investigated for both known achiral and new chi
ral optically pure nitrones. In all cases formation of only two diaste
reomeric cycloadducts was observed.