indium(III) chloride; water in acetonitrile 2 h; Heating;

1: 4-lt;(triphenylmethyl)oxygt;-1-butyne With zirconocene hydrochloride in dichloromethane T=20°C; 0.25 h; 2: diethylzinc With (Rp)-[2.2]paracyclophane; 4-OH-5-(S)-[CyCH(Me)-N=CMe-] in hexane; toluene T=-65 - -20°C; 2 h; 3: benzaldehyde in hexane; toluene T=-20°C;

ethylenediaminetetraacetic acid disodium salt; triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide T=50°C; 1.) 2.5h, 2.) 85percent aq. AcOH, 1.5h;

pyridine; molecular sieve in dichloromethane T=20°C; 12 h;