A novel process is described for the synthesis of Sitagliptin, IUPAC name 7–3-amino-1-oxo-4-butyl-5,6,7,8-tetrahydro-3–1 2,4-triazolo4,3-apyrazine, of formula. An electrically conductive material is formed within the opening and elevationally over the insulative material. The invention also provides an actinically crosslinkable prepolymer including hydrolyzable units and use of the prepolymer of the invention.