Multi-step reaction with 8 steps
1.1: potassium tert-butylate / tetrahydrofuran / 3 h / 20 °C / Inert atmosphere
2.1: methanesulfonamide; (9S,9"S)-9,9"-[phthalazine-1,4-diylbis-(oxy)]bis[10,11-dihydro-6'-methoxycinchonane] / tetrahydrofuran; water; tert-butyl alcohol / 120 h / 0 °C / Inert atmosphere
3.1: thionyl chloride / tetrachloromethane / 4 h / Inert atmosphere; Reflux
3.2: 3 h / 20 °C / Inert atmosphere
4.1: sodium hydride / 1,2-dimethoxyethane / 7 h / 20 °C / Inert atmosphere
5.1: sodium periodate; ruthenium trichloride / tetrachloromethane; water; acetonitrile / 24 h / 20 °C / Inert atmosphere
6.1: sodium tetrahydroborate; boron trifluoride diethyl etherate / tetrahydrofuran / 3 h / 0 °C / Inert atmosphere
7.1: tetrakis(triphenylphosphine) palladium(0); potassium carbonate / ethanol; water; toluene / 4 h / Reflux; Inert atmosphere
8.1: thionyl chloride / N,N-dimethyl-formamide / 24 h / 0 °C / Reflux; Inert atmosphere
With
ruthenium trichloride; sodium tetrahydroborate; sodium periodate; tetrakis(triphenylphosphine) palladium(0); thionyl chloride; methanesulfonamide; boron trifluoride diethyl etherate; potassium tert-butylate; sodium hydride; potassium carbonate; (9S,9"S)-9,9"-[phthalazine-1,4-diylbis-(oxy)]bis[10,11-dihydro-6'-methoxycinchonane];
In
tetrahydrofuran; tetrachloromethane; 1,2-dimethoxyethane; ethanol; water; N,N-dimethyl-formamide; toluene; acetonitrile; tert-butyl alcohol;
1.1: Wittig reaction / 2.1: Sharpless dihydroxylation;
DOI:10.1016/j.tetasy.2010.10.027