[rhodium(I)(carbonyl)2(acetylacetonate)]; triphenylphosphine-3,3',3''-trisulfonic acid trisodium salt; heptakis(2,6-di-O-methyl)-beta-cyclodextrin; hydrogen in water T=80°C; P=38000 Torr; 12 h; stainless steel autoclave; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

pyridinium chlorochromate in dichloromethane 15 h; Ambient temperature;

tetrabutyl-ammonium chloride; palladium diacetate; sodium hydrogencarbonate T=80°C; 30 h;

1: 71 percent / LiBr, toluene-4-sulfonic acid hydrate / 15 h / Ambient temperature 2: 36 percent / AlCl3 / CH2Cl2 / 1 h / 3 - 4 °C 3: 95 percent / hydrogen / 5percent Pd/C / ethyl acetate; ethanol / 15 h / 760 Torr / Ambient temperature 4: 77 percent / pyridinium chlorochromate / CH2Cl2 / 15 h / Ambient temperature View Scheme

1: 95 percent / hydrogen / 5percent Pd/C / ethyl acetate; ethanol / 15 h / 760 Torr / Ambient temperature 2: 77 percent / pyridinium chlorochromate / CH2Cl2 / 15 h / Ambient temperature View Scheme

1: 36 percent / AlCl3 / CH2Cl2 / 1 h / 3 - 4 °C 2: 95 percent / hydrogen / 5percent Pd/C / ethyl acetate; ethanol / 15 h / 760 Torr / Ambient temperature 3: 77 percent / pyridinium chlorochromate / CH2Cl2 / 15 h / Ambient temperature View Scheme

Kochen des erhaltenen Acetals mit Salzsaeure;