Multi-step reaction with 8 steps
1.1: trichlorophosphate / 3 h / 100 °C
1.2: 0 °C
2.1: sodium carbonate / tetrakis(triphenylphosphine) palladium(0) / water; acetonitrile / 3.5 h / 100 °C
3.1: 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione; dibenzoyl peroxide / tetrachloromethane / 24 h / Heating / reflux
4.1: sodium periodate / N,N-dimethyl-formamide / 5 h / 150 °C
5.1: tetrahydrofuran; diethyl ether / 3 h / 0 - 20 °C
6.1: di-isopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 1 h / 20 °C
7.1: hydrazine / ethanol / 0.5 h / Heating / reflux
8.1: N-ethyl-N,N-diisopropylamine / butan-1-ol / 22 h / 100 °C
With
sodium periodate; 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione; di-isopropyl azodicarboxylate; sodium carbonate; N-ethyl-N,N-diisopropylamine; triphenylphosphine; hydrazine; trichlorophosphate; dibenzoyl peroxide;
tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; tetrachloromethane; diethyl ether; ethanol; water; N,N-dimethyl-formamide; acetonitrile; butan-1-ol;