hydrotalcite T=80°C; Michael addition; 6 h;

indium; chloro-trimethyl-silane in tetrahydrofuran T=20°C; Michael addition reaction; 0.5 h;

1: cyclopentanone With lithium diisopropyl amide in tetrahydrofuran T=-78°C; 0.5 h; 2: With Mukayama reagent in tetrahydrofuran T=-78°C; 0.25 h; 3: diethyl malonate With sodium hydride in tetrahydrofuran T=20°C; 2 h;

formic acid; palladium diacetate; triethylamine; triphenylphosphine in acetonitrile 1 h; RefluxInert atmosphere;

palladium diacetate; triethylamine; triphenylphosphine in water; acetonitrile 2 h; RefluxInert atmosphere;