Multi-step reaction with 9 steps
1: potassium hydride; Trimethylenediamine / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
2: 1,8-diazabicyclo[5.4.0]undec-7-ene; dmap / acetonitrile / 2 h / 0 - 20 °C / Inert atmosphere
3: potassium permanganate; acetic acid; cetyltrimethylammonim bromide / benzene; water / 24 h / 0 °C
4: potassium permanganate; acetic acid; cetyltrimethylammonim bromide / benzene; water / 24 h / 0 °C
5: tris(dibenzylideneacetone)dipalladium(0) chloroform complex; triphenylphosphine / dichloromethane / 0 °C / Inert atmosphere
6: CeCl3*CH4O; sodium tetrahydroborate / dichloromethane / 2 h / -78 °C / Inert atmosphere
7: 4-methylmorpholine N-oxide; osmium(VIII) oxide / water; tert-butyl alcohol; acetone / 0 - 20 °C
8: sodium hydride / N,N-dimethyl-formamide / 2 h / 0 - 20 °C / Inert atmosphere
9: 4-methylmorpholine N-oxide; osmium(VIII) oxide / water; tert-butyl alcohol; acetone / 0 - 20 °C
With
dmap; tris(dibenzylideneacetone)dipalladium(0) chloroform complex; sodium tetrahydroborate; potassium permanganate; osmium(VIII) oxide; CeCl3*CH4O; cetyltrimethylammonim bromide; potassium hydride; sodium hydride; acetic acid; 4-methylmorpholine N-oxide; 1,8-diazabicyclo[5.4.0]undec-7-ene; Trimethylenediamine; triphenylphosphine;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; acetone; acetonitrile; tert-butyl alcohol; benzene;
6: |Luche Cerium Reduction / 7: |Upjohn Dihydroxylation / 9: |Upjohn Dihydroxylation;
DOI:10.1021/ol403369h