lt;Rh(acac)gt;-AlEt3; triethylaluminum in benzene T=60°C; 15 h; Title compound not separated from byproducts;

platinum; 1,3,5-trimethyl-benzene T=50°C; 12 h;

lt;Ru(pCH3C6H4-N=C(CH3)-)2(COD)HClgt; in dichloromethane 150 h; with various N-containing controlling ligands as co-catalysts; Product distributionMechanism;