Multi-step reaction with 24 steps
1.1: ozone / dichloromethane; methanol / 0.17 h / -78 °C / Inert atmosphere
2.1: sodium tetrahydroborate / dichloromethane; methanol / 2 h / -78 - 0 °C / Inert atmosphere
3.1: sodium tetrahydroborate; nickel dichloride / methanol / 2 h / 0 - 20 °C / Inert atmosphere
4.1: 1,8-diazabicyclo[5.4.0]undec-7-ene; diphenylphosphoranyl azide / toluene / 6 h / 0 - 80 °C / Inert atmosphere
5.1: lithium hydroxide monohydrate / tetrahydrofuran; methanol; water / 4 h / 20 °C / Inert atmosphere
6.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; dmap / dichloromethane / 2 h / 20 °C / Inert atmosphere
7.1: tributylphosphine / toluene / 2 h / 80 °C / Inert atmosphere
8.1: 10 wt% Pd(OH)2 on carbon; hydrogen / methanol / 2 h / 20 °C / Inert atmosphere
9.1: dmap; N-ethyl-N,N-diisopropylamine / dichloromethane; isopropyl alcohol / 24 h / 20 °C / Inert atmosphere
10.1: 4-methyl-morpholine; tetra-n-propylammonium perruthenate. / dichloromethane / 1 h / 20 °C / Inert atmosphere
11.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.5 h / 20 °C / Inert atmosphere
12.1: triethylamine / acetonitrile / 1 h / 20 °C / Inert atmosphere
13.1: (+)-10-camphorsulfonic acid / toluene / 0.67 h / 20 °C / Inert atmosphere
13.2: Inert atmosphere
14.1: acetic anhydride / pyridine / 0.67 h / 20 °C / Inert atmosphere
15.1: water; lithium hydroxide monohydrate / methanol / 2 h / 20 °C / Inert atmosphere
16.1: 1H-imidazole / dichloromethane / 1 h / 20 °C / Inert atmosphere
17.1: lithium hexamethyldisilazane / tetrahydrofuran / 1 h / 0 °C / Inert atmosphere
18.1: sodium hexamethyldisilazane / tetrahydrofuran / 1 h / 0 °C / Inert atmosphere
19.1: acetic acid; tetrabutyl ammonium fluoride / tetrahydrofuran / 22 h / 20 °C / Inert atmosphere
20.1: C10H16NO; [bis(acetoxy)iodo]benzene / dichloromethane / 6 h / 0 °C / pH 7.2 / Inert atmosphere
21.1: potassium carbonate / acetone / 2 h / 20 °C / Inert atmosphere
22.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / dichloromethane; water / 1 h / 20 °C / Inert atmosphere
23.1: Dess-Martin periodane / dichloromethane / 0.5 h / 20 °C / Inert atmosphere
24.1: acetic acid; pyrrolidine / dichloromethane / 1 h / 20 °C / Inert atmosphere
With
pyrrolidine; 4-methyl-morpholine; 1H-imidazole; dmap; sodium tetrahydroborate; tetra-n-propylammonium perruthenate.; lithium hydroxide monohydrate; tributylphosphine; [bis(acetoxy)iodo]benzene; 10 wt% Pd(OH)2 on carbon; C10H16NO; (+)-10-camphorsulfonic acid; diphenylphosphoranyl azide; tetrabutyl ammonium fluoride; water; hydrogen; sodium hexamethyldisilazane; acetic anhydride; potassium carbonate; Dess-Martin periodane; ozone; acetic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; N-ethyl-N,N-diisopropylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; nickel dichloride; lithium hexamethyldisilazane;
In
tetrahydrofuran; pyridine; methanol; dichloromethane; water; isopropyl alcohol; acetone; toluene; acetonitrile;
7.1: |Aza-Wittig Reaction / 24.1: |Michael Addition;
DOI:10.1002/anie.201207800