Reactions of Alkoxycarbonylcarbenoids with Imidazole; An Improved Preparation of Ethyl Imidazole-1-ylacetate and the First Synthesis of Diethyl Imidazole-1-ylmalonate - Pellicciari, Roberto; Curini, Massimo; Spagnoli, Nicoletta; Ceccherelli, Paolo (Synthesis, 1981)