An ESR, ENDOR, and ELDOR study of tunneling rotation of a hindered methyl group in x-irradiated 2, 2, 5-trimethyl-1, 3-dioxane-4, 6-dione crystals.
Geoffroy M, et al.
J. Chem. Phys. , 70(9), 4238-4242 (2008)
Issa Yavari et al.
Molecular diversity, 10(2), 247-250 (2006-06-14)
The adduct produced in the reaction between alkyl isocyanides and dialkyl acetylenedicarboxylates was trapped by 2,2,5-trimethyl-1,3-dioxane-4,6-dione (methyl Meldrum's acid), to afford highly functionalized ketenimines in good yields.