Methyl 2-Chloroacetoacetate is a useful reagent for organic synthesis. It is used in the synthesis of triazoles derivatives through dipolar cycloaddition of oximes with nitrilimines.
Wang, L., et al.: Synlett, 24, 2618 (2013); Broggini, G., et al.: Tetrahedron, 54, 14859 (1998)