The reactions were performed in the presence of 2 mol% of tetrakis (triphenylphosphine) palladium (O).* All products had physical properties in agreement with published data, the references for which are given in this column. CStructure confirmed by comparison of spectral data with published data. dThe reaction was performed by using 1.1 equiv of 1.'The reaction was performed by using 2.2 equiv of 1.'An additional 2 mol% of Pd (PPh3) 4 was ...
