Multi-step reaction with 9 steps
1.1: n-butyllithium / tetrahydrofuran / 1 h / 20 °C
1.2: 2 h / 20 °C
2.1: osmium(VIII) oxide / acetone / 6 h / 20 °C
3.1: toluene-4-sulfonic acid / acetone / 40 h / 20 °C
4.1: chloro(2-dicyclohexylphosphino-2′,6′-di-i-propoxy-1,1′-biphenyl)(2′-amino-1,1′-biphenyl-2-yl)-palladium(II); sodium t-butanolate / 1,4-dioxane / 0.5 h / 80 °C / Inert atmosphere
5.1: trifluoroacetic acid; trifluorormethanesulfonic acid / 1.5 h / 20 °C
6.1: triethylamine / dichloromethane / 1 h / 20 °C
7.1: triethylamine; p-toluenesulfonyl chloride / dichloromethane / 2 h / Reflux; Inert atmosphere
8.1: methanol; N,N-dimethyl-formamide / 24 h / 70 °C
9.1: trifluoroacetic acid / dichloromethane / 1 h / 20 °C
With
osmium(VIII) oxide; n-butyllithium; trifluorormethanesulfonic acid; chloro(2-dicyclohexylphosphino-2′,6′-di-i-propoxy-1,1′-biphenyl)(2′-amino-1,1′-biphenyl-2-yl)-palladium(II); toluene-4-sulfonic acid; triethylamine; p-toluenesulfonyl chloride; trifluoroacetic acid; sodium t-butanolate;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; N,N-dimethyl-formamide; acetone;