hydrogen; palladium on activated charcoal in cyclohexane T=20°C; 24 h; Product distribution; Further Variations:Solvents;

hydrogen; palladium on activated charcoal in methanol T=20°C; 24 h; atmospheric pressure; Product distribution; Further Variations:Solvents;

1: With Oxonereg;; ethylenediaminetetraacetic acid; chiral ketone C30H44O7; sodium hydrogencarbonate in acetonitrile T=0°C; pH=7 - 7.5; 12 h; 2: With tetrabutyl ammonium fluoride in tetrahydrofuran 3 h; Title compound not separated from byproducts;

1: With Oxonereg;; ethylenediaminetetraacetic acid; chiral ketone C30H44O7; sodium hydrogencarbonate in acetonitrile T=0°C; pH=7 - 7.5; 12 h; 2: With tetrabutyl ammonium fluoride in tetrahydrofuran 3 h; Title compound not separated from byproducts;

in water; N,N-dimethyl-formamide T=100°C; 3 h;

(5R,8R,9R)-8,9-dihydroxy-8,9-O-isopropylidene-2,2-dimethyl-1,3-dioxaspiro-lt;4,5gt;-decan-7-one; tetra(n-butyl)ammonium hydrogensulfate; (ethylenedinitrilo)tetraacetic acid disodium salt; sodium hydrogencarbonate; peroxomonosulfate(1-) in acetonitrile T=0°C; 6.5 h; Title compound not separated from byproducts;

copper(II) bis(trifluoromethanesulfonate) T=-25 - 0°C; 8 h;

With  polymer-supported dicyanoketene acetal; water in  acetonitrile T=20°C; Hydrolysis; 24 h;