Multi-step reaction with 14 steps
1.1: sodium hydrogencarbonate; Dess-Martin periodane / dichloromethane / 1 h / 20 °C
2.1: tetrahydrofuran / 1 h / -80 - -45 °C
3.1: thionyl chloride / diethyl ether; hexane / 12 h / -90 - 5 °C
4.1: sodium iodide / acetone / 20 h / 20 °C
5.1: sodium hexamethyldisilazane / tetrahydrofuran / 1 h / -78 °C
5.2: 12 h / -78 °C
6.1: lithium borohydride / methanol; diethyl ether / 1.5 h / 0 °C
7.1: sodium hydrogencarbonate; Dess-Martin periodane / dichloromethane / 1 h / 0 °C
8.1: potassium tert-butylate / tetrahydrofuran / 0.33 h / -78 °C
8.2: 1.25 h / -78 °C
9.1: n-butyllithium / tetrahydrofuran / 0.5 h / -78 °C
9.2: 0.5 h / -78 °C
10.1: pyridinium p-toluenesulfonate / methanol / 12 h / 50 °C
11.1: sodium tetraborate decahydrate; edetate disodium; Shi's ketone; Oxone; potassium carbonate / acetonitrile / 2 h / 0 °C
12.1: potassium carbonate / methanol / 12 h / 0 - 20 °C
13.1: trans-bis(triphenylphosphine)palladium dichloride / tetrahydrofuran / 0.5 h / 0 - 20 °C
14.1: tris-(dibenzylideneacetone)dipalladium(0); triphenyl-arsane; lithium chloride / 1-methyl-pyrrolidin-2-one / 41 h / 20 °C
With
Oxone; tris-(dibenzylideneacetone)dipalladium(0); lithium borohydride; n-butyllithium; thionyl chloride; Shi's ketone; trans-bis(triphenylphosphine)palladium dichloride; sodium tetraborate decahydrate; triphenyl-arsane; potassium tert-butylate; sodium hexamethyldisilazane; pyridinium p-toluenesulfonate; edetate disodium; sodium hydrogencarbonate; potassium carbonate; Dess-Martin periodane; sodium iodide; lithium chloride;
In
tetrahydrofuran; 1-methyl-pyrrolidin-2-one; methanol; diethyl ether; hexane; dichloromethane; acetone; acetonitrile;
4.1: |Finkelstein Reaction / 8.1: |Seyferth-Gilbert Homologation / 11.1: |Shi Asymmetric Epoxidation / 14.1: |Stille Cross Coupling;
DOI:10.1002/ejoc.201301468