1.1: oxalyl dichloride / dimethyl sulfoxide; dichloromethane / 0.25 h / -60 °C 1.2: 0.08 h 2.1: triethylamine; tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 1,1'-bis-(di-tert-butylphosphino)ferrocene / toluene / 24 h / 110 °C / |Sealed tube View Scheme

1.1: potassium carbonate / acetonitrile / 65 h / 50 °C / |Sealed tube 2.1: 9-bora-bicyclo[3.3.1]nonane / tetrahydrofuran; water / 18 h / 0 - 20 °C / |Inert atmosphere 2.2: 3 h / 20 - 50 °C 3.1: oxalyl dichloride / dimethyl sulfoxide; dichloromethane / 0.25 h / -60 °C 3.2: 0.08 h 4.1: triethylamine; tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; tris-(o-tolyl)phosphine / toluene / 8 h / 110 °C / |Sealed tube View Scheme

1.1: methyllithium / tetrahydrofuran; diethyl ether / 0.5 h / -78 °C / |Inert atmosphere 1.2: 0.17 h / -78 °C / |Inert atmosphere 2.1: potassium carbonate / acetonitrile / 65 h / 50 °C / |Sealed tube 3.1: 9-bora-bicyclo[3.3.1]nonane / tetrahydrofuran; water / 18 h / 0 - 20 °C / |Inert atmosphere 3.2: 3 h / 20 - 50 °C 4.1: oxalyl dichloride / dimethyl sulfoxide; dichloromethane / 0.25 h / -60 °C 4.2: 0.08 h 5.1: triethylamine; tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; tris-(o-tolyl)phosphine / toluene / 8 h / 110 °C / |Sealed tube View Scheme

1.1: 9-bora-bicyclo[3.3.1]nonane / tetrahydrofuran; water / 18 h / 0 - 20 °C / |Inert atmosphere 1.2: 3 h / 20 - 50 °C 2.1: oxalyl dichloride / dimethyl sulfoxide; dichloromethane / 0.25 h / -60 °C 2.2: 0.08 h 3.1: triethylamine; tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; tris-(o-tolyl)phosphine / toluene / 8 h / 110 °C / |Sealed tube View Scheme

1.1: oxalyl dichloride / dimethyl sulfoxide; dichloromethane / 0.25 h / -60 °C 1.2: 0.08 h 2.1: triethylamine; tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; tris-(o-tolyl)phosphine / toluene / 8 h / 110 °C / |Sealed tube View Scheme

1.1: potassium carbonate / acetonitrile / 65 h / 50 °C / |Sealed tube 2.1: 9-bora-bicyclo[3.3.1]nonane / tetrahydrofuran; water / 18 h / 0 - 20 °C / |Inert atmosphere 2.2: 3 h / 20 - 50 °C 3.1: oxalyl dichloride / dimethyl sulfoxide; dichloromethane / 0.25 h / -60 °C 3.2: 0.08 h 4.1: triethylamine; caesium carbonate; tetrakis(triphenylphosphine) palladium(0) / toluene / 110 °C / |Sealed tube View Scheme

1.1: methyllithium / tetrahydrofuran; diethyl ether / 0.5 h / -78 °C / |Inert atmosphere 1.2: 0.17 h / -78 °C / |Inert atmosphere 2.1: potassium carbonate / acetonitrile / 65 h / 50 °C / |Sealed tube 3.1: 9-bora-bicyclo[3.3.1]nonane / tetrahydrofuran; water / 18 h / 0 - 20 °C / |Inert atmosphere 3.2: 3 h / 20 - 50 °C 4.1: oxalyl dichloride / dimethyl sulfoxide; dichloromethane / 0.25 h / -60 °C 4.2: 0.08 h 5.1: triethylamine; caesium carbonate; tetrakis(triphenylphosphine) palladium(0) / toluene / 110 °C / |Sealed tube View Scheme

1.1: 9-bora-bicyclo[3.3.1]nonane / tetrahydrofuran; water / 18 h / 0 - 20 °C / |Inert atmosphere 1.2: 3 h / 20 - 50 °C 2.1: oxalyl dichloride / dimethyl sulfoxide; dichloromethane / 0.25 h / -60 °C 2.2: 0.08 h 3.1: triethylamine; caesium carbonate; tetrakis(triphenylphosphine) palladium(0) / toluene / 110 °C / |Sealed tube View Scheme

1.1: oxalyl dichloride / dimethyl sulfoxide; dichloromethane / 0.25 h / -60 °C 1.2: 0.08 h 2.1: triethylamine; caesium carbonate; tetrakis(triphenylphosphine) palladium(0) / toluene / 110 °C / |Sealed tube View Scheme

sodium; xylene Erwaermen des jeweils erhaltenen Reaktionsgemisches mit wss. Saelzsaeure.;