1: 5-hexenoic acid p-nitrobenzenethiol ester; methylene bis(iodozinc) With triphenylphosphine; Pd2(trans,trans-dibenzylideneacetone) in tetrahydrofuran T=0°C; 2: Benzoyl cyanide in tetrahydrofuran T=0°C;

1: With sodium hydride in tetrahydrofuran 2: With n-butyllithium in tetrahydrofuran

in benzene 58 h; Irradiationother 2-benzoyl-cycloalkanones; Mechanism;

copper dichloride; dichloro bis(acetonitrile) palladium(II) in 1,2-dichloro-ethane T=25°C;

dichloro bis(acetonitrile) palladium(II); copper dichloride in 1,2-dichloro-ethane T=20°C;