Multi-step reaction with 7 steps
1.1: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 3 h / 45 °C / Inert atmosphere
2.1: tetrabutylammomium bromide; palladium diacetate; sodium hydrogencarbonate / N,N-dimethyl-formamide / 8 h / 85 °C / Inert atmosphere
3.1: sodium methylate / methanol / 24 h / 20 °C
4.1: water; lithium hydroxide / tetrahydrofuran; methanol; water / 3 h / 20 °C / Inert atmosphere
5.1: O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 0 - 20 °C
5.2: 20 °C
6.1: copper(ll) sulfate pentahydrate; sodium L-ascorbate / tetrahydrofuran; water / 21 h / 20 - 50 °C / Inert atmosphere
7.1: sodium methylate / methanol / 24 h / 20 °C / Inert atmosphere
With
tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; copper(ll) sulfate pentahydrate; tetrabutylammomium bromide; water; sodium methylate; palladium diacetate; sodium hydrogencarbonate; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; sodium L-ascorbate; N-ethyl-N,N-diisopropylamine; lithium hydroxide;
In
tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide;
2.1: Heck coupling / 3.1: Zemplen reaction / 7.1: Zemplen reaction;
DOI:10.1002/chem.201003402