1.1: triethylamine / dichloromethane / 0.5 h / -20 °C 2.1: 9-bora-bicyclo[3.3.1]nonane 2.2: 20 h / 20 °C 3.1: triethylamine 4.1: hydrogenchloride / water / Reflux 5.1: Aliquatreg; 336; sodium carbonate; bis(dibenzylideneacetone)-palladium(0); tri-cyclo-hexyl-phosphine / ethylene glycol dimethyl ether; water / 1 h / 130 °C / Microwave irradiation View Scheme

1.1: triethylamine / dichloromethane / 0.5 h / -20 °C 2.1: 9-bora-bicyclo[3.3.1]nonane 2.2: 20 h / 20 °C 3.1: triethylamine 4.1: hydrogenchloride / water / Reflux 5.1: palladium diacetate; triphenylphosphine / ethylene glycol dimethyl ether; water / 24 h / Reflux View Scheme