Multi-step reaction with 10 steps
1: mesityllithium / hexane; tetrahydrofuran / 1.5 h / -78 - -63 °C / Inert atmosphere
2: methanesulfonic acid / hexane; tetrahydrofuran / 40.08 h / -78 - 20 °C / Inert atmosphere
3: dmap; N-ethyl-N,N-diisopropylamine / toluene / 1 h / 0 - 20 °C
4: formic acid / 0.5 h / 50 °C
5: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 2 h / 20 °C
6: aluminum (III) chloride / dichloromethane / 1.17 h / -78 - 0 °C
7: sodium tetrahydroborate / ethanol; tetrahydrofuran / 2.5 h / 0 °C
8: triethylsilane; boron trifluoride diethyl etherate / acetonitrile; water / 0 - 20 °C / Inert atmosphere
9: cesium fluoride; tetrakis(triphenylphosphine) palladium(0) / 1,2-dimethoxyethane / Inert atmosphere; Reflux
10: sodium methylate / methanol; tetrahydrofuran / 1 h / 20 °C
With
triethylsilane; dmap; aluminum (III) chloride; sodium tetrahydroborate; tetrakis(triphenylphosphine) palladium(0); formic acid; oxalyl dichloride; methanesulfonic acid; boron trifluoride diethyl etherate; sodium methylate; mesityllithium; N-ethyl-N,N-diisopropylamine; N,N-dimethyl-formamide; cesium fluoride;
In
tetrahydrofuran; methanol; 1,2-dimethoxyethane; ethanol; hexane; dichloromethane; water; toluene; acetonitrile;
1: |Barbier Coupling Reaction;
DOI:10.1016/j.bmc.2013.05.048