palladium diacetate; 1,8-diazabicyclo[5.4.0]undec-7-ene; di-(1-adamantyl)-n-butylphosphine in N,N-dimethyl-formamide T=130°C; 16 h; Inert atmosphereSealed tube;

aluminum oxide in methanol; hexane; chloroform Yield given;

aluminum oxide; air in ethanol 0.125 h; Microwave irradiation;