, 000.0, 000.0, 00.0, 00.0; Elemental analysis: calc. for C~00~H~00~FN~0~ (MW 000.00): 00.00% C, 0.00% H, 00.00% N; found 00.00% C, 0.00% H, 00.00% N.  *0-Methyl-0-{\[0-(trifluoromethyl)benzyl\]amino}pyrazine-0,0-dicarbonitrile* (**00**). Light yellow crystalline solid. Yield 00.0%; M.p. 000.0--000.0 °C; IR (ATR-Ge, cm^−0^): 0000~m~ (-NH-), 0000~m~ (-CN), 0000~vs~, 0000~s~, 0000~m~, 0000~s~, 0000~vs~ (arom.), 0000~vs~ (-C-F); ^0^H-NMR (000 MHz) δ 0.00 (0H, t, *J* = 0.0 Hz, NH), 0.00--0.00 (0H, m, AA\', BB\', H0\', H0\'), 0.00--0.00 (0H, m, AA\', BB\', H0\', H0\'), 0.00 (0H, d, *J* = 0.0 Hz, NCH~0~), 0.00 (0H, s, CH~0~); ^00^C-NMR (00 MHz) δ 000.0, 000.0, 000.0, 000.0, 000.0, 000.0 (q, *J* = 00.0 Hz), 000.0 (q, *J* = 0.0 Hz), 000.0 (q, *J* = 000.0 Hz), 000.0, 000.0, 000.0, 00.0, 00.0; Elemental analysis: calc. for C~00~H~00~F~0~N~0~ (MW 000.00): 00.00% C, 0.00% H, 00.00% N; found 00.00% C, 0.00% H, 00.00% N.  *0-Methyl-0-{\[0-(trifluoromethyl)benzyl\]amino}pyrazine-0,0-dicarbonitrile* (**00**). Yellow-orange crystalline solid. Yield 00.0%; M.p. 000.0--000.0 °C (decomp.); IR (ATR-Ge, cm^−0^): 0000~m~ (-NH-), 0000~m~ (-CN), 0000~vs~, 0000~s~, 0000~m~, 0000~s~, 0000~s~, 0000~s~, 0000~vs~ (arom.), 0000~vs~ (-C-F); ^0^H-NMR (000 MHz) δ 0.00 (0H, bs, NH), 0.00--0.00 (0H, m, H0\'), 0.00--0.00 (0H, m, H0\', H0\', H0\'), 0.00 (0H, bs, NCH~0~), 0.00 (0H, s, CH~0~); ^00^C-NMR (00 MHz) δ 000.0, 000.0, 000.0, 000.0, 000.0, 000.0, 000.0, 000.0 (q, *J* = 00.0 Hz), 000.0 (q, *J* = 0.0 Hz), 000.0 (q, *J* = 000.0 Hz), 000.0, 000.0, 000.0, 00.0, 00.0; Elemental analysis: calc. for C~00~H~00~F~0~N~0~ (MW 000.00): 00.00% C, 0.00% H, 00.00% N; found 00.00% C, 0.00% H, 00.00% N.  *0-\[(0,0-Di